CREATE TABLE artist (
    Artist_ID NUMBER PRIMARY KEY,
    Name TEXT,
    Country TEXT,
    Year_Join NUMBER,
    Age NUMBER
);
CREATE TABLE exhibition (
    Exhibition_ID NUMBER PRIMARY KEY,
    Year NUMBER,
    Theme TEXT,
    Artist_ID NUMBER,
    Ticket_Price NUMBER,
    FOREIGN KEY ("Artist_ID") REFERENCES artist("Artist_ID")
);
CREATE TABLE exhibition_record (
    Exhibition_ID NUMBER PRIMARY KEY,
    Date TEXT,
    Attendance NUMBER,
    FOREIGN KEY ("Exhibition_ID") REFERENCES exhibition("Exhibition_ID")
);

Question: How many artists do we have?
SQL: SELECT count(*) FROM artist

Question: Count the number of artists.
SQL: SELECT count(*) FROM artist

Question: Show all artist name, age, and country ordered by the yeared they joined.
SQL: SELECT name ,  age ,  country FROM artist ORDER BY Year_Join

Question: What are the names, ages, and countries of artists, sorted by the year they joined?
SQL: SELECT name ,  age ,  country FROM artist ORDER BY Year_Join

Question: What are all distinct country for artists?
SQL: SELECT DISTINCT country FROM artist

Question: Return the different countries for artists.
SQL: SELECT DISTINCT country FROM artist

Question: Show all artist names and the year joined who are not from United States.
SQL: SELECT name ,  year_join FROM artist WHERE country != 'United States'

Question: What are the names and year of joining for artists that do not have the country "United States"?
SQL: SELECT name ,  year_join FROM artist WHERE country != 'United States'

Question: How many artists are above age 46 and joined after 1990?
SQL: SELECT count(*) FROM artist WHERE age  >  46 AND year_join  >  1990

Question: Count the number of artists who are older than 46 and joined after 1990.
SQL: SELECT count(*) FROM artist WHERE age  >  46 AND year_join  >  1990

Question: What is the average and minimum age of all artists from United States.
SQL: SELECT avg(age) ,  min(age) FROM artist WHERE country  =  'United States'

Question: Return the average and minimum ages across artists from the United States.
SQL: SELECT avg(age) ,  min(age) FROM artist WHERE country  =  'United States'

Question: What is the name of the artist who joined latest?
SQL: SELECT name FROM artist ORDER BY year_join DESC LIMIT 1

Question: Return the name of the artist who has the latest join year.
SQL: SELECT name FROM artist ORDER BY year_join DESC LIMIT 1

Question: How many exhibition are there in year 2005 or after?
SQL: SELECT count(*) FROM exhibition WHERE YEAR  >=  2005

Question: Count the number of exhibitions that happened in or after 2005.
SQL: SELECT count(*) FROM exhibition WHERE YEAR  >=  2005

Question: Show theme and year for all exhibitions with ticket prices lower than 15.
SQL: SELECT theme ,  YEAR FROM exhibition WHERE ticket_price  <  15

Question: What are the theme and year for all exhibitions that have a ticket price under 15?
SQL: SELECT theme ,  YEAR FROM exhibition WHERE ticket_price  <  15

Question: Show all artist names and the number of exhibitions for each artist.
SQL: SELECT T2.name ,  count(*) FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id  =  T2.artist_id GROUP BY T1.artist_id

Question: How many exhibitions has each artist had?
SQL: SELECT T2.name ,  count(*) FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id  =  T2.artist_id GROUP BY T1.artist_id

Question: What is the name and country for the artist with most number of exhibitions?
SQL: SELECT T2.name , T2.country FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id  =  T2.artist_id GROUP BY T1.artist_id ORDER BY count(*) DESC LIMIT 1

Question: Return the name and country corresponding to the artist who has had the most exhibitions.
SQL: SELECT T2.name , T2.country FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id  =  T2.artist_id GROUP BY T1.artist_id ORDER BY count(*) DESC LIMIT 1

Question: Show names for artists without any exhibition.
SQL: SELECT name FROM artist WHERE artist_id NOT IN (SELECT artist_id FROM exhibition)

Question: What are the names of artists that have not had any exhibitions?
SQL: SELECT name FROM artist WHERE artist_id NOT IN (SELECT artist_id FROM exhibition)

Question: What is the theme and artist name for the exhibition with a ticket price higher than the average?
SQL: SELECT T1.theme ,  T2.name FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id  =  T2.artist_id WHERE T1.ticket_price  >  (SELECT avg(ticket_price) FROM exhibition)

Question: Return the names of artists and the themes of their exhibitions that had a ticket price higher than average.
SQL: SELECT T1.theme ,  T2.name FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id  =  T2.artist_id WHERE T1.ticket_price  >  (SELECT avg(ticket_price) FROM exhibition)

Question: Show the average, minimum, and maximum ticket prices for exhibitions for all years before 2009.
SQL: SELECT avg(ticket_price) ,  min(ticket_price) ,  max(ticket_price) FROM exhibition WHERE YEAR  <  2009

Question: What are the average, minimum, and maximum ticket prices for exhibitions that happened prior to 2009?
SQL: SELECT avg(ticket_price) ,  min(ticket_price) ,  max(ticket_price) FROM exhibition WHERE YEAR  <  2009

Question: Show theme and year for all exhibitions in an descending order of ticket price.
SQL: SELECT theme ,  YEAR FROM exhibition ORDER BY ticket_price DESC

Question: What are the themes and years for exhibitions, sorted by ticket price descending?
SQL: SELECT theme ,  YEAR FROM exhibition ORDER BY ticket_price DESC

Question: What is the theme, date, and attendance for the exhibition in year 2004?
SQL: SELECT T2.theme ,  T1.date ,  T1.attendance FROM exhibition_record AS T1 JOIN exhibition AS T2 ON T1.exhibition_id  =  T2.exhibition_id WHERE T2.year  =  2004

Question: Return the themes, dates, and attendance for exhibitions that happened in 2004.
SQL: SELECT T2.theme ,  T1.date ,  T1.attendance FROM exhibition_record AS T1 JOIN exhibition AS T2 ON T1.exhibition_id  =  T2.exhibition_id WHERE T2.year  =  2004

Question: Show all artist names who didn't have an exhibition in 2004.
SQL: SELECT name FROM artist EXCEPT SELECT T2.name FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id  =  T2.artist_id WHERE T1.year  =  2004

Question: What are the names of artists who did not have an exhibition in 2004?
SQL: SELECT name FROM artist EXCEPT SELECT T2.name FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id  =  T2.artist_id WHERE T1.year  =  2004

Question: Show the theme for exhibitions with both records of an attendance below 100 and above 500.
SQL: SELECT T2.theme FROM exhibition_record AS T1 JOIN exhibition AS T2 ON T1.exhibition_id  =  T2.exhibition_id WHERE T1.attendance  <  100 INTERSECT SELECT T2.theme FROM exhibition_record AS T1 JOIN exhibition AS T2 ON T1.exhibition_id  =  T2.exhibition_id WHERE T1.attendance  >  500

Question: Which themes have had corresponding exhibitions that have had attendance both below 100 and above 500?
SQL: SELECT T2.theme FROM exhibition_record AS T1 JOIN exhibition AS T2 ON T1.exhibition_id  =  T2.exhibition_id WHERE T1.attendance  <  100 INTERSECT SELECT T2.theme FROM exhibition_record AS T1 JOIN exhibition AS T2 ON T1.exhibition_id  =  T2.exhibition_id WHERE T1.attendance  >  500

Question: How many exhibitions have a attendance more than 100 or have a ticket price below 10?
SQL: SELECT count(*) FROM exhibition_record AS T1 JOIN exhibition AS T2 ON T1.exhibition_id  =  T2.exhibition_id WHERE T1.attendance  >  100 OR T2.ticket_price  <  10

Question: Count the number of exhibitions that have had an attendnance of over 100 or a ticket prices under 10.
SQL: SELECT count(*) FROM exhibition_record AS T1 JOIN exhibition AS T2 ON T1.exhibition_id  =  T2.exhibition_id WHERE T1.attendance  >  100 OR T2.ticket_price  <  10