Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- ALTER TABLE test
- ADD UNIQUE(X, Y)
- X | Y
- 'a' | 'B'
- 'a' | null
- X | Y
- 'a' | 'B'
- null | 'B'
- X | Y
- 'a' | 'B'
- null | 'C'
- X | Y
- 'a' | 'B'
- 'b' | null
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement