MySQL Forums
Forum List  »  Optimizer & Parser

Re: Group by not using index
Posted by: Matthew Moles
Date: March 05, 2012 03:57AM

Hi Rick,
Thanks for your response.

The index on col3, col1 works, on your query, if I add on all of the uncommented lines the index needs to be expanded to col3,col1,col4

Thanks for your help
Matthew

Options: ReplyQuote


Subject
Views
Written By
Posted
2415
March 02, 2012 10:06AM
1063
March 03, 2012 05:22PM
1218
March 04, 2012 10:59PM
Re: Group by not using index
1152
March 05, 2012 03:57AM


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.