Re: Help: alternative to left join
The engine cannot find indexes to use, so it has to read 1.3565 billion data rows. That's slow. Let's see the query, and please post the result of Show Create Table for each table.
Subject
Written By
Posted
February 20, 2014 02:34PM
February 20, 2014 03:52PM
February 20, 2014 04:38PM
Re: Help: alternative to left join
February 20, 2014 09:15PM
February 21, 2014 02:06PM
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.