Re: large table performance for WHERE queries

2004-01-15 Thread Brent Baisley
It sounds like you are trying to do full text searching, but you implemented it manually. Was MySQL's full text indexing not sufficient for your needs or am I totally missing what you are trying to do? On Jan 15, 2004, at 1:53 PM, Gregory Newby wrote: I'm using MySQL for an information

Re: large table performance for WHERE queries

2004-01-15 Thread Gregory Newby
On Thu, Jan 15, 2004 at 02:52:30PM -0500, Brent Baisley wrote: It sounds like you are trying to do full text searching, but you implemented it manually. Was MySQL's full text indexing not sufficient for your needs or am I totally missing what you are trying to do? You're absolutely right:

Re: large table performance for WHERE queries

2004-01-15 Thread Joe Shear
It looks like having a multiple-column index would help more than having a number of individual indices, at least for the example query. An index on (termid, docid, whichpara, offset) might work better than just having one on termid. joe On Thu, 2004-01-15 at 10:53, Gregory Newby wrote: I'm

RE: large table performance for WHERE queries

2004-01-15 Thread Lopez David E-r9374c
Gregory mysql,select,query I agree with Joe, use multiple-column index. Much more efficient. All queries should be sub 5-10 seconds or less. David -Original Message- From: Gregory Newby [mailto:[EMAIL PROTECTED] Sent: Thursday, January 15, 2004 11:53 AM To: [EMAIL PROTECTED]