Home / DeveloperSection / Interviews / What is UNION,UNION ALL?
You haven’t finished your post yet. Are you sure you want to leave and discard your draft?
Can you answer this question?
Varun Agrawal
You have need login or register for voting of answers or question.
Varun Agrawal
28-Mar-2011UNION ALL: retains duplicates
Both these are used to combine the results of different SELECT statements.