Re: Poor performance for SELECT from 50.000 records - MySQL PERFORMANCE TEST

2004-11-25 Thread Mark Matthews
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Juleni wrote: > Hello Brent, > >Thanks for your answer, I have try to use clause SQL_CALC_FOUND_ROWS > within my SELECT query (and I also didn't use SELECT COUNT(*) ... query). >But when I used SQL_CALC_FOUND_ROWS and then I retrieved number o

Re: Poor performance for SELECT from 50.000 records - MySQL PERFORMANCE TEST

2004-11-22 Thread Brent Baisley
First you are using two distinct queries where you should be using two "related". Specifically, add SQL_CALC_FOUND_ROWS to your first query that retrieves data, then issue a query to see how many rows you would have had if you hadn't specified a LIMIT: SELECT FOUND_ROWS() The second query sh