MySQL Forums
Forum List  »  Performance

Re: Use of index for SELECT DISTINCT
Posted by: Dominique PRUNIER
Date: June 18, 2005 03:22PM

Indeed, the scaning of the smallest structure makes sense to me BUT, the smallest structure is the index on the columns i'm looking distinct values from. The index on the b columns doesnt tell MySQL where the distinct values are ?

Options: ReplyQuote


Subject
Views
Written By
Posted
Re: Use of index for SELECT DISTINCT
1617
June 18, 2005 03:22PM


Sorry, you can't reply to this topic. It has been closed.

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.