MySQL Forums
Forum List  »  Optimizer & Parser

Re: index not used when join condition added
Posted by: Rick James
Date: January 03, 2012 08:42PM

Need more details to assist in analyzing; please provide
* SHOW CREATE TABLE tbl\G -- engine, indexes
* SHOW TABLE STATUS LIKE 'tbl'\G -- sizes
* EXPLAIN SELECT ...\G -- clues of inefficiencies
* SHOW VARIABLES LIKE '%buffer%'; -- cache size
and surround them with [ code ] and [ / code ]

Options: ReplyQuote


Subject
Views
Written By
Posted
Re: index not used when join condition added
1037
January 03, 2012 08:42PM


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.