lianghsun/spider-text2sql-bench huggingface dataset:
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
List the title of films that do not have any market estimation.

### SQL
SELECT Title FROM film WHERE Film_ID NOT IN (SELECT Film_ID FROM film_market_estimation)
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
What are the titles of films that do not have a film market estimation?

### SQL
SELECT Title FROM film WHERE Film_ID NOT IN (SELECT Film_ID FROM film_market_estimation)
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
Show the studios that have produced films with director "Nicholas Meyer" and "Walter Hill".

### SQL
SELECT Studio FROM film WHERE Director  =  "Nicholas Meyer" INTERSECT SELECT Studio FROM film WHERE Director  =  "Walter Hill"
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
What are the names of studios that have produced films with both Nicholas Meyer and Walter Hill?

### SQL
SELECT Studio FROM film WHERE Director  =  "Nicholas Meyer" INTERSECT SELECT Studio FROM film WHERE Director  =  "Walter Hill"
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
Find the titles and studios of the films that are produced by some film studios that contained the word "Universal".

### SQL
SELECT title ,  Studio FROM film WHERE Studio LIKE "%Universal%"
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
What are the titles and studios of films that have been produced by a studio whose name contains "Universal"?

### SQL
SELECT title ,  Studio FROM film WHERE Studio LIKE "%Universal%"
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
Show the studios that have not produced films with director "Walter Hill".

### SQL
SELECT Studio FROM film EXCEPT SELECT Studio FROM film WHERE Director  =  "Walter Hill"
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
Which studios have never worked with the director Walter Hill?

### SQL
SELECT Studio FROM film EXCEPT SELECT Studio FROM film WHERE Director  =  "Walter Hill"
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
List the studios which average gross is above 4500000.

### SQL
SELECT Studio FROM film GROUP BY Studio HAVING avg(Gross_in_dollar)  >=  4500000
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
Which studios have an average gross of over 4500000?

### SQL
SELECT Studio FROM film GROUP BY Studio HAVING avg(Gross_in_dollar)  >=  4500000
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
What is the title of the film that has the highest high market estimation.

### SQL
SELECT t1.title FROM film AS T1 JOIN film_market_estimation AS T2  ON T1.Film_ID  =  T2.Film_ID ORDER BY high_estimate DESC LIMIT 1
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
Return the title of the film with the highest high estimate?

### SQL
SELECT t1.title FROM film AS T1 JOIN film_market_estimation AS T2  ON T1.Film_ID  =  T2.Film_ID ORDER BY high_estimate DESC LIMIT 1
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
What are the titles and directors of the films were never presented in China?

### SQL
SELECT title ,  director FROM film WHERE film_id NOT IN (SELECT film_id FROM film_market_estimation AS T1 JOIN market AS T2 ON T1.market_id  =  T2.Market_ID WHERE country  =  'China')
### Database Schema
CREATE TABLE "film" (
"Film_ID" int,
"Title" text,
"Studio" text,
"Director" text,
"Gross_in_dollar" int,
PRIMARY KEY ("Film_ID")
)

CREATE TABLE "market" (
"Market_ID" int,
"Country" text,
"Number_cities" int,
PRIMARY KEY ("Market_ID")
)

CREATE TABLE "film_market_estimation" (
"Estimation_ID" int,
"Low_Estimate" real,
"High_Estimate" real,
"Film_ID" int,
"Type" text,
"Market_ID" int,
"Year" int,
PRIMARY KEY ("Estimation_ID"),
FOREIGN KEY ("Film_ID") REFERENCES film("Film_ID"),
FOREIGN KEY ("Market_ID") REFERENCES market("Market_ID")
)

### Question
Return the titles and directors of films that were never in the market of China.

### SQL
SELECT title ,  director FROM film WHERE film_id NOT IN (SELECT film_id FROM film_market_estimation AS T1 JOIN market AS T2 ON T1.market_id  =  T2.Market_ID WHERE country  =  'China')
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
How many calendar items do we have?

### SQL
SELECT count(*) FROM Ref_calendar
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
Count the number of all the calendar items.

### SQL
SELECT count(*) FROM Ref_calendar
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
Show all calendar dates and day Numbers.

### SQL
SELECT calendar_date ,  day_Number FROM Ref_calendar
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
What are all the calendar dates and day Numbers?

### SQL
SELECT calendar_date ,  day_Number FROM Ref_calendar
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
Show the number of document types.

### SQL
SELECT count(*) FROM Ref_document_types
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
How many document types are there?

### SQL
SELECT count(*) FROM Ref_document_types
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
List all document type codes and document type names.

### SQL
SELECT document_type_code ,  document_type_name FROM Ref_document_types
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
What are all the document type codes and document type names?

### SQL
SELECT document_type_code ,  document_type_name FROM Ref_document_types
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
What is the name and description for document type code RV?

### SQL
SELECT document_type_name ,  document_type_description FROM Ref_document_types WHERE document_type_code  =  "RV"
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
Give me the name and description of the document type code RV.

### SQL
SELECT document_type_name ,  document_type_description FROM Ref_document_types WHERE document_type_code  =  "RV"
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
What is the document type code for document type "Paper"?

### SQL
SELECT document_type_code FROM Ref_document_types WHERE document_type_name  =  "Paper"
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
Find the code of the document type "Paper".

### SQL
SELECT document_type_code FROM Ref_document_types WHERE document_type_name  =  "Paper"
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
Show the number of documents with document type code CV or BK.

### SQL
SELECT count(*) FROM All_documents WHERE document_type_code  =  "CV" OR document_type_code  =  "BK"
### Database Schema
CREATE TABLE Ref_Document_Types (
Document_Type_Code CHAR(15) NOT NULL,
Document_Type_Name VARCHAR(255) NOT NULL,
Document_Type_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Document_Type_Code)
)

CREATE TABLE Ref_Calendar (
Calendar_Date DATETIME NOT NULL,
Day_Number INTEGER,
PRIMARY KEY (Calendar_Date)
)

CREATE TABLE Ref_Locations (
Location_Code CHAR(15) NOT NULL,
Location_Name VARCHAR(255) NOT NULL,
Location_Description VARCHAR(255) NOT NULL,
PRIMARY KEY (Location_Code)
)

CREATE TABLE Roles (
Role_Code CHAR(15) NOT NULL,
Role_Name VARCHAR(255),
Role_Description VARCHAR(255),
PRIMARY KEY (Role_Code)
)

CREATE TABLE All_Documents (
Document_ID INTEGER NOT NULL,
Date_Stored DATETIME,
Document_Type_Code CHAR(15) NOT NULL,
Document_Name CHAR(255),
Document_Description CHAR(255),
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Document_Type_Code) REFERENCES Ref_Document_Types (Document_Type_Code),
FOREIGN KEY (Date_Stored) REFERENCES Ref_Calendar (Calendar_Date)
)

CREATE TABLE Employees (
Employee_ID INTEGER NOT NULL,
Role_Code CHAR(15) NOT NULL,
Employee_Name VARCHAR(255),
Gender_MFU CHAR(1) NOT NULL,
Date_of_Birth DATETIME NOT NULL,
Other_Details VARCHAR(255),
PRIMARY KEY (Employee_ID),
FOREIGN KEY (Role_Code) REFERENCES Roles (Role_Code)
)

CREATE TABLE Document_Locations (
Document_ID INTEGER NOT NULL,
Location_Code CHAR(15) NOT NULL,
Date_in_Location_From DATETIME NOT NULL,
Date_in_Locaton_To DATETIME,
PRIMARY KEY (Document_ID, Location_Code, Date_in_Location_From),
FOREIGN KEY (Location_Code) REFERENCES Ref_Locations (Location_Code),
FOREIGN KEY (Date_in_Location_From) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Date_in_Locaton_To) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

CREATE TABLE Documents_to_be_Destroyed (
Document_ID INTEGER NOT NULL,
Destruction_Authorised_by_Employee_ID INTEGER,
Destroyed_by_Employee_ID INTEGER,
Planned_Destruction_Date DATETIME,
Actual_Destruction_Date DATETIME,
Other_Details VARCHAR(255),
PRIMARY KEY (Document_ID),
FOREIGN KEY (Destroyed_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Destruction_Authorised_by_Employee_ID) REFERENCES Employees (Employee_ID),
FOREIGN KEY (Planned_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Actual_Destruction_Date) REFERENCES Ref_Calendar (Calendar_Date),
FOREIGN KEY (Document_ID) REFERENCES All_Documents (Document_ID)
)

### Question
How many documents have document type code CV or BK?

### SQL
SELECT count(*) FROM All_documents WHERE document_type_code  =  "CV" OR document_type_code  =  "BK"