Subject | RE: [ib-support] Full join unusably slow |
---|---|
Author | Leyne, Sean |
Post date | 2002-10-17T02:49:27Z |
Mark,
full column references.
Next, why did you choose to use a FULL join? Wouldn't a LEFT JOIN been
more appropriate?
Finally, unless you have an index on Status, the system will be
performing joins for all 400,000 sawmember rows.
Sean
> Any ideas about getting the speed back? I don't see aWell to start with your statement is potentially ambiguous, please try
> fundamental reason for it
> to take so long. It must be doing things in the wrong order.
full column references.
Next, why did you choose to use a FULL join? Wouldn't a LEFT JOIN been
more appropriate?
Finally, unless you have an index on Status, the system will be
performing joins for all 400,000 sawmember rows.
Sean