human
Schema:
artist (Artist_ID, Name, Country, Year_Join, Age)
exhibition (Exhibition_ID, Year, Theme, Artist_ID, Ticket_Price)
exhibition_record (Exhibition_ID, Date, Attendance)
Please answer with SQL.
assistant
Sure, I understand.
human
Show all artists.
assistant
SELECT * FROM artist;
human
What are their countries?
assistant
SELECT country FROM artist;
human
Just give me distinct ones.
assistant
SELECT DISTINCT country FROM artist ;