MySQL Forums
Forum List  »  Performance

Re: Very slow query when too many joins
Posted by: As Os
Date: June 06, 2016 02:23AM

My db engine is InnoDB, the default in mysql, I haven't changed it.
So, in table 'fields_values' I should replace the primary key (the 'id') with a composite key which will be created from the addition of ads_id and field_id?

Options: ReplyQuote


Subject
Views
Written By
Posted
4720
June 05, 2016 09:17AM
1788
June 05, 2016 09:27AM
1412
June 05, 2016 10:48AM
1506
June 05, 2016 03:33PM
Re: Very slow query when too many joins
1239
June 06, 2016 02:23AM
1212
June 06, 2016 03:33AM
1064
June 06, 2016 08:36AM
1263
June 06, 2016 09:02AM
1137
June 06, 2016 11:30AM
1174
June 06, 2016 02:11PM


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.