Datasets:

alagaesia

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spider_dev

like 0

voter_1

SELECT T3.area_code FROM contestants AS T1 JOIN votes AS T2 ON T1.contestant_number = T2.contestant_number JOIN area_code_state AS T3 ON T2.state = T3.state WHERE T1.contestant_name = 'Tabatha Gehling' INTERSECT SELECT T3.area_code FROM contestants AS T1 JOIN votes AS T2 ON T1.contestant_number = T2.contestant_number JOIN area_code_state AS T3 ON T2.state = T3.state WHERE T1.contestant_name = 'Kelly Clauss'

List the area codes in which voters voted both for the contestant 'Tabatha Gehling' and the contestant 'Kelly Clauss'.

CREATE TABLE "AREA_CODE_STATE" ( "area_code" INTEGER, "state" varchar(2) PRIMARY KEY ("state"), ); CREATE TABLE "CONTESTANTS" ( "contestant_number" INTEGER, "contestant_name" varchar(50) PRIMARY KEY ("contestant_number"), ); CREATE TABLE "VOTES" ( "vote_id" INTEGER, "phone_number" INTEGER, "state" varchar(2), "contestant_number" INTEGER, "created" timestamp PRIMARY KEY ("vote_id"), FOREIGN KEY ("state") REFERENCES "AREA_CODE_STATE"("state"), FOREIGN KEY ("contestant_number") REFERENCES "CONTESTANTS"("contestant_number") );

CREATE TABLE AREA_CODE_STATE (area_code INTEGER, state varchar(2)); CREATE TABLE CONTESTANTS (contestant_number INTEGER, contestant_name varchar(50)); CREATE TABLE VOTES (vote_id INTEGER, phone_number INTEGER, state varchar(2), contestant_number INTEGER, created timestamp);

extra

voter_1

select contestant_name from contestants where contestant_name like "%al%"

Return the names of the contestants whose names contain the substring 'Al' .

CREATE TABLE "AREA_CODE_STATE" ( "area_code" INTEGER, "state" varchar(2) PRIMARY KEY ("state"), ); CREATE TABLE "CONTESTANTS" ( "contestant_number" INTEGER, "contestant_name" varchar(50) PRIMARY KEY ("contestant_number"), ); CREATE TABLE "VOTES" ( "vote_id" INTEGER, "phone_number" INTEGER, "state" varchar(2), "contestant_number" INTEGER, "created" timestamp PRIMARY KEY ("vote_id"), FOREIGN KEY ("state") REFERENCES "AREA_CODE_STATE"("state"), FOREIGN KEY ("contestant_number") REFERENCES "CONTESTANTS"("contestant_number") );

CREATE TABLE AREA_CODE_STATE (area_code INTEGER, state varchar(2)); CREATE TABLE CONTESTANTS (contestant_number INTEGER, contestant_name varchar(50)); CREATE TABLE VOTES (vote_id INTEGER, phone_number INTEGER, state varchar(2), contestant_number INTEGER, created timestamp);

medium

world_1

SELECT Name FROM country WHERE IndepYear > 1950

What are the names of all the countries that became independent after 1950?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT Name FROM country WHERE IndepYear > 1950

Give the names of the nations that were founded after 1950.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT count(*) FROM country WHERE GovernmentForm = "Republic"

How many countries have a republic as their form of government?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT count(*) FROM country WHERE GovernmentForm = "Republic"

How many countries have governments that are republics?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT sum(SurfaceArea) FROM country WHERE Region = "Caribbean"

What is the total surface area of the countries in the Caribbean region?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT sum(SurfaceArea) FROM country WHERE Region = "Caribbean"

How much surface area do the countires in the Carribean cover together?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT Continent FROM country WHERE Name = "Anguilla"

Which continent is Anguilla in?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT Continent FROM country WHERE Name = "Anguilla"

What is the continent name which Anguilla belongs to?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT Region FROM country AS T1 JOIN city AS T2 ON T1.Code = T2.CountryCode WHERE T2.Name = "Kabul"

Which region is the city Kabul located in?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT Region FROM country AS T1 JOIN city AS T2 ON T1.Code = T2.CountryCode WHERE T2.Name = "Kabul"

What region is Kabul in?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT T2.Language FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.Name = "Aruba" ORDER BY Percentage DESC LIMIT 1

Which language is the most popular in Aruba?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T2.Language FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.Name = "Aruba" ORDER BY Percentage DESC LIMIT 1

What language is predominantly spoken in Aruba?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT Population , LifeExpectancy FROM country WHERE Name = "Brazil"

What are the population and life expectancies in Brazil?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT Population , LifeExpectancy FROM country WHERE Name = "Brazil"

Give me Brazil’s population and life expectancies.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT Population , Region FROM country WHERE Name = "Angola"

What are the region and population of Angola?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT Population , Region FROM country WHERE Name = "Angola"

What region does Angola belong to and what is its population?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT avg(LifeExpectancy) FROM country WHERE Region = "Central Africa"

What is the average expected life expectancy for countries in the region of Central Africa?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT avg(LifeExpectancy) FROM country WHERE Region = "Central Africa"

How long is the people’s average life expectancy in Central Africa?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT Name FROM country WHERE Continent = "Asia" ORDER BY LifeExpectancy LIMIT 1

What is the name of country that has the shortest life expectancy in Asia?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT Name FROM country WHERE Continent = "Asia" ORDER BY LifeExpectancy LIMIT 1

Give the name of the country in Asia with the lowest life expectancy.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT sum(Population) , max(GNP) FROM country WHERE Continent = "Asia"

What is the total population and maximum GNP in Asia?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT sum(Population) , max(GNP) FROM country WHERE Continent = "Asia"

How many people live in Asia, and what is the largest GNP among them?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT avg(LifeExpectancy) FROM country WHERE Continent = "Africa" AND GovernmentForm = "Republic"

What is the average life expectancy in African countries that are republics?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT avg(LifeExpectancy) FROM country WHERE Continent = "Africa" AND GovernmentForm = "Republic"

Give the average life expectancy for countries in Africa which are republics?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT sum(SurfaceArea) FROM country WHERE Continent = "Asia" OR Continent = "Europe"

What is the total surface area of the continents Asia and Europe?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT sum(SurfaceArea) FROM country WHERE Continent = "Asia" OR Continent = "Europe"

Give the total surface area covered by countries in Asia or Europe.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT sum(Population) FROM city WHERE District = "Gelderland"

How many people live in Gelderland district?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT sum(Population) FROM city WHERE District = "Gelderland"

What is the total population of Gelderland district?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT avg(GNP) , sum(population) FROM country WHERE GovernmentForm = "US Territory"

What is the average GNP and total population in all nations whose government is US territory?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT avg(GNP) , sum(population) FROM country WHERE GovernmentForm = "US Territory"

Give the mean GNP and total population of nations which are considered US territory.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT count(DISTINCT LANGUAGE) FROM countrylanguage

How many unique languages are spoken in the world?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT count(DISTINCT LANGUAGE) FROM countrylanguage

What is the number of distinct languages used around the world?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT count(DISTINCT GovernmentForm) FROM country WHERE Continent = "Africa"

How many type of governments are in Africa?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT count(DISTINCT GovernmentForm) FROM country WHERE Continent = "Africa"

How many different forms of governments are there in Africa?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT COUNT(T2.Language) FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.Name = "Aruba"

What is the total number of languages used in Aruba?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT COUNT(T2.Language) FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.Name = "Aruba"

How many languages are spoken in Aruba?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT COUNT(*) FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.Name = "Afghanistan" AND IsOfficial = "T"

How many official languages does Afghanistan have?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT COUNT(*) FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.Name = "Afghanistan" AND IsOfficial = "T"

How many official languages are spoken in Afghanistan?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode GROUP BY T1.Name ORDER BY COUNT(*) DESC LIMIT 1

What is name of the country that speaks the largest number of languages?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode GROUP BY T1.Name ORDER BY COUNT(*) DESC LIMIT 1

Give the name of the nation that uses the greatest amount of languages.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T1.Continent FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode GROUP BY T1.Continent ORDER BY COUNT(*) DESC LIMIT 1

Which continent has the most diverse languages?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T1.Continent FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode GROUP BY T1.Continent ORDER BY COUNT(*) DESC LIMIT 1

Which continent speaks the most languages?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT COUNT(*) FROM (SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" INTERSECT SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "Dutch")

How many countries speak both English and Dutch?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT COUNT(*) FROM (SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" INTERSECT SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "Dutch")

What is the number of nations that use English and Dutch?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" INTERSECT SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "French"

What are the names of nations speak both English and French?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" INTERSECT SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "French"

Give the names of nations that speak both English and French.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" AND T2.IsOfficial = "T" INTERSECT SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "French" AND T2.IsOfficial = "T"

What are the names of nations where both English and French are official languages?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" AND T2.IsOfficial = "T" INTERSECT SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "French" AND T2.IsOfficial = "T"

Give the names of countries with English and French as official languages.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT COUNT( DISTINCT Continent) FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "Chinese"

What is the number of distinct continents where Chinese is spoken?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT COUNT( DISTINCT Continent) FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "Chinese"

How many continents speak Chinese?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT DISTINCT T1.Region FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" OR T2.Language = "Dutch"

What are the regions that use English or Dutch?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT DISTINCT T1.Region FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" OR T2.Language = "Dutch"

Which regions speak Dutch or English?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

select t1.name from country as t1 join countrylanguage as t2 on t1.code = t2.countrycode where t2.language = "english" and isofficial = "t" union select t1.name from country as t1 join countrylanguage as t2 on t1.code = t2.countrycode where t2.language = "dutch" and isofficial = "t"

What are the countries where either English or Dutch is the official language ?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT * FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" AND IsOfficial = "T" UNION SELECT * FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "Dutch" AND IsOfficial = "T"

Which countries have either English or Dutch as an official language?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T2.Language FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.Continent = "Asia" GROUP BY T2.Language ORDER BY COUNT (*) DESC LIMIT 1

Which language is the most popular on the Asian continent?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T2.Language FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.Continent = "Asia" GROUP BY T2.Language ORDER BY COUNT (*) DESC LIMIT 1

What is the language that is used by the largest number of Asian nations?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T2.Language FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.GovernmentForm = "Republic" GROUP BY T2.Language HAVING COUNT(*) = 1

Which languages are spoken by only one country in republic governments?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT T2.Language FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.GovernmentForm = "Republic" GROUP BY T2.Language HAVING COUNT(*) = 1

What languages are only used by a single country with a republic government?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT T1.Name , T1.Population FROM city AS T1 JOIN countrylanguage AS T2 ON T1.CountryCode = T2.CountryCode WHERE T2.Language = "English" ORDER BY T1.Population DESC LIMIT 1

Find the city with the largest population that uses English.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T1.Name , T1.Population FROM city AS T1 JOIN countrylanguage AS T2 ON T1.CountryCode = T2.CountryCode WHERE T2.Language = "English" ORDER BY T1.Population DESC LIMIT 1

What is the most populace city that speaks English?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT Name , Population , LifeExpectancy FROM country WHERE Continent = "Asia" ORDER BY SurfaceArea DESC LIMIT 1

Find the name, population and expected life length of asian country with the largest area?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT Name , Population , LifeExpectancy FROM country WHERE Continent = "Asia" ORDER BY SurfaceArea DESC LIMIT 1

What are the name, population, and life expectancy of the largest Asian country by land?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT avg(LifeExpectancy) FROM country WHERE Name NOT IN (SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" AND T2.IsOfficial = "T")

What is average life expectancy in the countries where English is not the official language?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT avg(LifeExpectancy) FROM country WHERE Name NOT IN (SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English" AND T2.IsOfficial = "T")

Give the mean life expectancy of countries in which English is not the official language.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT sum(Population) FROM country WHERE Name NOT IN (SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English")

What is the total number of people living in the nations that do not use English?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT sum(Population) FROM country WHERE Name NOT IN (SELECT T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = "English")

How many people live in countries that do not speak English?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT T2.Language FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.HeadOfState = "Beatrix" AND T2.IsOfficial = "T"

What is the official language spoken in the country whose head of state is Beatrix?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT T2.Language FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.HeadOfState = "Beatrix" AND T2.IsOfficial = "T"

What is the official language used in the country the name of whose head of state is Beatrix.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT count(DISTINCT T2.Language) FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE IndepYear < 1930 AND T2.IsOfficial = "T"

What is the total number of unique official languages spoken in the countries that are founded before 1930?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT count(DISTINCT T2.Language) FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE IndepYear < 1930 AND T2.IsOfficial = "T"

For the countries founded before 1930, what is the total number of distinct official languages?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT Name FROM country WHERE SurfaceArea > (SELECT min(SurfaceArea) FROM country WHERE Continent = "Europe")

What are the countries that have greater surface area than any country in Europe?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT Name FROM country WHERE SurfaceArea > (SELECT min(SurfaceArea) FROM country WHERE Continent = "Europe")

Which countries have greater area than that of any country in Europe?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT Name FROM country WHERE Continent = "Africa" AND population < (SELECT max(population) FROM country WHERE Continent = "Asia")

What are the African countries that have a population less than any country in Asia?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT Name FROM country WHERE Continent = "Africa" AND population < (SELECT min(population) FROM country WHERE Continent = "Asia")

Which African countries have a smaller population than that of any country in Asia?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT Name FROM country WHERE Continent = "Asia" AND population > (SELECT max(population) FROM country WHERE Continent = "Africa")

Which Asian countries have a population that is larger than any country in Africa?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT Name FROM country WHERE Continent = "Asia" AND population > (SELECT min(population) FROM country WHERE Continent = "Africa")

What are the Asian countries which have a population larger than that of any country in Africa?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT CountryCode FROM countrylanguage EXCEPT SELECT CountryCode FROM countrylanguage WHERE LANGUAGE = "English"

What are the country codes for countries that do not speak English?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT CountryCode FROM countrylanguage EXCEPT SELECT CountryCode FROM countrylanguage WHERE LANGUAGE = "English"

Return the country codes for countries that do not speak English.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT DISTINCT CountryCode FROM countrylanguage WHERE LANGUAGE != "English"

What are the country codes of countries where people use languages other than English?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT DISTINCT CountryCode FROM countrylanguage WHERE LANGUAGE != "English"

Give the country codes for countries in which people speak langauges that are not English.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

easy

world_1

SELECT Code FROM country WHERE GovernmentForm != "Republic" EXCEPT SELECT CountryCode FROM countrylanguage WHERE LANGUAGE = "English"

What are the codes of the countries that do not speak English and whose government forms are not Republic?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT Code FROM country WHERE GovernmentForm != "Republic" EXCEPT SELECT CountryCode FROM countrylanguage WHERE LANGUAGE = "English"

Return the codes of countries that do not speak English and do not have Republics for governments.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT DISTINCT T2.Name FROM country AS T1 JOIN city AS T2 ON T2.CountryCode = T1.Code WHERE T1.Continent = 'Europe' AND T1.Name NOT IN (SELECT T3.Name FROM country AS T3 JOIN countrylanguage AS T4 ON T3.Code = T4.CountryCode WHERE T4.IsOfficial = 'T' AND T4.Language = 'English')

Which cities are in European countries where English is not the official language?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

SELECT DISTINCT T2.Name FROM country AS T1 JOIN city AS T2 ON T2.CountryCode = T1.Code WHERE T1.Continent = 'Europe' AND T1.Name NOT IN (SELECT T3.Name FROM country AS T3 JOIN countrylanguage AS T4 ON T3.Code = T4.CountryCode WHERE T4.IsOfficial = 'T' AND T4.Language = 'English')

What are the names of cities in Europe for which English is not the official language?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

extra

world_1

select distinct t3.name from country as t1 join countrylanguage as t2 on t1.code = t2.countrycode join city as t3 on t1.code = t3.countrycode where t2.isofficial = 't' and t2.language = 'chinese' and t1.continent = "asia"

Which unique cities are in Asian countries where Chinese is the official language ?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT DISTINCT T3.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode JOIN city AS T3 ON T1.Code = T3.CountryCode WHERE T2.IsOfficial = 'T' AND T2.Language = 'Chinese' AND T1.Continent = "Asia"

Return the different names of cities that are in Asia and for which Chinese is the official language.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

hard

world_1

SELECT Name , SurfaceArea , IndepYear FROM country ORDER BY Population LIMIT 1

What are the name, independence year, and surface area of the country with the smallest population?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT Name , SurfaceArea , IndepYear FROM country ORDER BY Population LIMIT 1

Give the name, year of independence, and surface area of the country that has the lowest population.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT Name , population , HeadOfState FROM country ORDER BY SurfaceArea DESC LIMIT 1

What are the population, name and leader of the country with the largest area?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT Name , population , HeadOfState FROM country ORDER BY SurfaceArea DESC LIMIT 1

Give the name, population, and head of state for the country that has the largest area.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT COUNT(T2.Language) , T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode GROUP BY T1.Name HAVING COUNT(*) > 2

Return the country name and the numbers of languages spoken for each country that speaks at least 3 languages.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

medium

world_1

SELECT COUNT(T2.Language) , T1.Name FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode GROUP BY T1.Name HAVING COUNT(*) > 2

What are the names of countries that speak more than 2 languages, as well as how many languages they speak?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

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SELECT count(*) , District FROM city WHERE Population > (SELECT avg(Population) FROM city) GROUP BY District

Find the number of cities in each district whose population is greater than the average population of cities?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

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SELECT count(*) , District FROM city WHERE Population > (SELECT avg(Population) FROM city) GROUP BY District

How many cities in each district have a population that is above the average population across all cities?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

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SELECT sum(Population) , GovernmentForm FROM country GROUP BY GovernmentForm HAVING avg(LifeExpectancy) > 72

Find the government form name and total population for each government form whose average life expectancy is longer than 72.

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

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SELECT sum(Population) , GovernmentForm FROM country GROUP BY GovernmentForm HAVING avg(LifeExpectancy) > 72

What are the different government forms and what is the total population of each for government forms that have an average life expectancy greater than 72?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

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SELECT sum(Population) , avg(LifeExpectancy) , Continent FROM country GROUP BY Continent HAVING avg(LifeExpectancy) < 72

Find the average life expectancy and total population for each continent where the average life expectancy is shorter than 72?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

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SELECT sum(Population) , avg(LifeExpectancy) , Continent FROM country GROUP BY Continent HAVING avg(LifeExpectancy) < 72

What are the different continents and the total popuation and average life expectancy corresponding to each, for continents that have an average life expectancy less than 72?

CREATE TABLE "country" ( "Code" char(3), "Name" char(52), "Continent" TEXT, "Region" char(26), "SurfaceArea" float(10,2), "IndepYear" INTEGER, "Population" INTEGER, "LifeExpectancy" float(3,1), "GNP" float(10,2), "GNPOld" float(10,2), "LocalName" char(45), "GovernmentForm" char(45), "HeadOfState" char(60), "Capital" INTEGER, "Code2" char(2), PRIMARY KEY ("Code") ); CREATE TABLE "city" ( "ID" INTEGER, "Name" char(35), "CountryCode" char(3), "District" char(20), "Population" INTEGER PRIMARY KEY ("ID"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") ); ALTER TABLE "country" ADD FOREIGN KEY ("Capital") REFERENCES "city"("ID"); CREATE TABLE "countrylanguage" ( "CountryCode" char(3), "Language" char(30), "IsOfficial" TEXT, "Percentage" float(4,1) PRIMARY KEY ("CountryCode","Language"), FOREIGN KEY ("CountryCode") REFERENCES "country"("Code") );

CREATE TABLE city (ID INTEGER, Name char(35), CountryCode char(3), District char(20), Population INTEGER); CREATE TABLE sqlite_sequence (name , seq ); CREATE TABLE country (Code char(3), Name char(52), Continent TEXT, Region char(26), SurfaceArea float(10,2), IndepYear INTEGER, Population INTEGER, LifeExpectancy float(3,1), GNP float(10,2), GNPOld float(10,2), LocalName char(45), GovernmentForm char(45), HeadOfState char(60), Capital INTEGER, Code2 char(2)); CREATE TABLE countrylanguage (CountryCode char(3), Language char(30), IsOfficial TEXT, Percentage float(4,1));

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