MySQL Forums
Forum List  »  Optimizer & Parser
Announcements Last Post
•   Announcing August 2026 Releases featuring MySQL Server, MySQL NDB Cluster, Shell and Connector/ODBC 08/25/2026 01:01AM

Subject
Views
Written By
Posted
5,815
02/06/2006 11:08AM
Re: Subqueries too slow  
2,482
02/10/2006 09:49AM
Re: Subqueries too slow  
2,665
02/10/2006 10:43AM
Re: Subqueries too slow  
2,822
02/10/2006 03:18AM
Re: Subqueries too slow  
2,383
02/10/2006 08:51AM
Re: Subqueries too slow  
2,744
02/07/2006 08:38AM
Re: Subqueries too slow  
2,723
02/06/2006 02:17PM
Re: Subqueries too slow  
2,731
02/07/2006 07:06AM
Re: Subqueries too slow  
2,978
02/06/2006 11:54AM
2,921
02/09/2006 09:44PM
3,640
02/09/2006 09:42AM
Re: clash between unique and index keys  
2,644
02/09/2006 12:04AM
Re: clash between unique and index keys  
2,924
02/08/2006 04:40PM
Re: clash between unique and index keys  
2,683
02/08/2006 05:44PM
Re: clash between unique and index keys  
2,823
02/08/2006 05:49PM
8,659
02/07/2006 08:13AM
Re: qcache_free_blocks  
5,142
02/07/2006 10:10AM
Re: qcache_free_blocks  
4,398
02/07/2006 12:13PM
3,644
01/17/2006 02:41PM
Re: optimize  
2,287
02/02/2006 09:02AM
Re: optimize  
2,271
01/18/2006 09:07AM
Re: optimize  
2,309
01/17/2006 06:48PM
8,731
01/12/2006 02:21PM
Re: Double Index Performance  
3,069
01/16/2006 06:24AM
Re: Double Index Performance  
3,128
01/16/2006 08:46AM
Re: Double Index Performance  
2,708
01/17/2006 06:45AM
Re: Double Index Performance  
2,994
02/01/2006 01:05PM
Re: Double Index Performance  
3,441
01/13/2006 05:18PM
Re: 'where' with 'in' doesn't use index?  
2,474
02/01/2006 06:24AM
Re: 'where' with 'in' doesn't use index?  
2,262
01/30/2006 04:45PM
3,287
01/20/2006 06:51AM
Re: subquery breaks optimization  
2,236
01/24/2006 07:14PM
3,277
01/12/2006 08:22AM
Re: mysql dont use my Index?  
2,209
01/18/2006 10:36PM
Re: does Select values effect index selection?  
2,187
01/10/2006 05:04PM
3,344
01/03/2006 02:28PM
Re: Optimizing with DATE()  
2,247
01/03/2006 06:53PM
3,899
11/01/2005 01:26AM
Re: Simple Query - but explain worries me  
2,448
11/01/2005 02:48AM
Re: Simple Query - but explain worries me  
2,369
01/02/2006 05:22PM
Re: Simple Query - but explain worries me  
2,457
11/01/2005 03:05AM
Re: Simple Query - but explain worries me  
2,325
11/01/2005 05:13AM
Re: Simple Query - but explain worries me  
2,437
11/01/2005 05:57AM
Re: Simple Query - but explain worries me  
2,346
11/01/2005 07:37AM
Re: Simple Query - but explain worries me  
2,484
11/01/2005 08:03AM
Re: select distinct slower in 5.0 than 4.1  
2,473
12/27/2005 06:49PM
Re: select distinct slower in 5.0 than 4.1  
2,493
12/20/2005 08:29PM
Re: select distinct slower in 5.0 than 4.1  
2,515
12/21/2005 03:15AM
Re: select distinct slower in 5.0 than 4.1  
2,577
12/29/2005 01:55AM
Re: select distinct slower in 5.0 than 4.1  
2,856
12/19/2005 10:49AM
Re: select distinct slower in 5.0 than 4.1  
2,585
12/20/2005 10:29AM
Re: select distinct slower in 5.0 than 4.1  
2,536
12/20/2005 11:36AM
Re: select distinct slower in 5.0 than 4.1  
2,504
12/21/2005 01:54AM
4,684
11/23/2005 08:47AM
Re: Range Join Performance  
2,547
12/26/2005 07:56PM
Re: Range Join Performance  
2,455
12/21/2005 11:10PM
3,746
12/21/2005 03:19AM
Re: does my index take effect?  
2,316
12/21/2005 11:03PM
Re: Index merge optimization with joined tables?  
2,377
12/21/2005 10:54PM
Re: Index merge optimization with joined tables?  
2,567
12/07/2005 08:21AM
Re: Index merge optimization with joined tables?  
2,526
12/07/2005 05:37PM
9,453
12/20/2005 08:06PM
Re: explain + straight join oddity  
2,928
12/21/2005 10:44PM
3,855
11/26/2005 04:53PM
Re: Can't get my indexes right  
2,391
12/21/2005 10:34PM
Re: Can't get my indexes right  
2,374
11/28/2005 02:19PM
Re: Can't get my indexes right  
2,243
11/28/2005 07:40AM
Re: Can't get my indexes right  
2,532
11/28/2005 03:17AM
Re: Can't get my indexes right  
2,316
11/28/2005 02:44AM
Re: Can't get my indexes right  
2,484
11/27/2005 07:28PM
5,296
12/16/2005 09:25AM
Re: optimization of left outer joins  
2,505
12/19/2005 11:42PM
Re: optimization of left outer joins  
2,952
12/16/2005 10:23AM
3,346
12/19/2005 01:46PM
4,692
11/28/2005 09:22PM
Re: Query Optimizer / SQL Translation  
2,625
12/14/2005 02:55AM
7,693
12/01/2005 08:27AM
Re: Group by Optimization  
7,993
12/14/2005 02:36AM
Re: Group by Optimization  
3,554
12/05/2005 11:29AM
Re: Group by Optimization  
4,144
12/03/2005 06:07AM
Re: Group by Optimization  
3,785
12/05/2005 11:32AM
Re: Group by Optimization  
3,632
12/09/2005 04:53PM
Re: How to force the optimizer to use an index in a sub-query?  
3,813
12/01/2005 01:51PM
Re: why don't work for my substring index?  
3,082
12/01/2005 01:40PM
Re: why don't work for my substring index?  
2,955
11/13/2005 09:23PM
Re: why don't work for my substring index?  
4,312
11/07/2005 05:13AM
Re: why don't work for my substring index?  
2,691
11/09/2005 03:07AM
3,538
11/15/2005 05:20PM
Re: WHERE clause processing  
2,343
11/15/2005 07:32PM
3,786
11/15/2005 03:31AM
Re: Eternal SELECT queries  
2,504
11/15/2005 09:20AM
Re: Performance of Select (pk) vs Select(*) with order by  
3,705
11/08/2005 07:15PM
Re: Performance of Select (pk) vs Select(*) with order by  
2,712
11/07/2005 08:53PM
Re: Performance of Select (pk) vs Select(*) with order by  
4,884
11/08/2005 03:53AM
89,126
11/02/2005 08:12PM
Re: INNER JOIN (WHERE) vs LEFT JOIN  
25,201
11/03/2005 05:26AM
Re: INNER JOIN (WHERE) vs LEFT JOIN  
25,274
11/03/2005 05:18AM
5,117
11/01/2005 09:59AM
Re: Optimizer - subqueries  
2,792
11/02/2005 03:52AM
Re: Optimizer - subqueries  
2,681
11/02/2005 08:50AM
Re: Does SELECT DISTINCT on an indexed column do an index scan?  
4,909
11/01/2005 12:56PM
22,129
09/20/2005 12:15PM
Re: Rows Examined, why so many?  
4,600
09/20/2005 07:10PM
Re: Rows Examined, why so many?  
4,328
09/21/2005 08:13AM
Re: Rows Examined, why so many?  
4,424
09/21/2005 05:05AM
Re: Rows Examined, why so many?  
5,044
09/20/2005 03:54PM
Re: Rows Examined, why so many?  
9,921
09/20/2005 03:18PM
Re: Rows Examined, why so many?  
6,179
09/21/2005 08:12AM
5,498
09/06/2005 05:35PM
Re: Optimizing ORDER BY any ideas?  
3,013
09/07/2005 08:55PM
Re: Optimizing ORDER BY any ideas?  
2,809
09/08/2005 08:28AM
Re: Optimizing ORDER BY any ideas?  
2,883
09/08/2005 11:12PM
Re: Optimizing ORDER BY any ideas?  
2,896
09/09/2005 10:00AM
Re: Optimizing ORDER BY any ideas?  
2,825
09/09/2005 10:22AM
Re: Optimizing ORDER BY any ideas?  
2,870
09/09/2005 10:03PM
Re: Optimizing ORDER BY any ideas?  
3,105
09/10/2005 07:30AM
Re: Optimizing ORDER BY any ideas?  
3,577
09/10/2005 09:22AM
Re: Optimizing ORDER BY any ideas?  
2,885
09/12/2005 02:45PM
Re: Optimizing ORDER BY any ideas?  
2,787
09/12/2005 04:41PM
Re: Optimizing ORDER BY any ideas?  
3,006
09/06/2005 06:39PM
Re: Optimizing ORDER BY any ideas?  
3,205
09/06/2005 08:30PM
Re: Optimizing ORDER BY any ideas?  
2,953
09/06/2005 09:18PM
Re: Optimizing ORDER BY any ideas?  
2,928
09/07/2005 07:10AM
Re: Optimizing ORDER BY any ideas?  
2,992
09/07/2005 06:28PM
6,883
09/02/2005 12:39PM
Re: 2 column between optimization  
3,343
09/07/2005 02:48AM
Re: 2 column between optimization  
3,141
09/07/2005 12:25PM
Re: 2 column between optimization  
2,933
09/07/2005 12:54PM
Re: 2 column between optimization  
3,034
09/06/2005 09:14PM
Re: 2 column between optimization  
3,299
09/06/2005 09:22PM
Re: 2 column between optimization  
3,144
09/06/2005 11:17PM
Re: 2 column between optimization  
2,983
09/07/2005 02:54AM
Re: 2 column between optimization  
3,022
09/04/2005 07:21PM
Re: 2 column between optimization  
3,245
09/02/2005 02:01PM
Re: 2 column between optimization  
3,538
09/02/2005 02:25PM
Re: 2 column between optimization  
3,084
09/05/2005 12:03PM
Re: 2 column between optimization  
3,119
09/06/2005 09:18PM
Re: 2 column between optimization  
3,226
09/02/2005 03:38PM
Re: 2 column between optimization  
3,031
09/06/2005 09:17PM
Re: Unexpected benchmark results due to query optimizer?  
2,797
09/01/2005 08:08AM
Re: Unexpected benchmark results due to query optimizer?  
2,720
09/07/2005 06:47AM
Re: At Performance Limit for 2 GB RAM?  
4,001
07/20/2005 05:45PM
Re: At Performance Limit for 2 GB RAM?  
3,513
07/22/2005 01:33PM
Re: At Performance Limit for 2 GB RAM?  
3,572
07/22/2005 02:06PM
Re: At Performance Limit for 2 GB RAM?  
3,193
07/26/2005 03:47PM
Re: At Performance Limit for 2 GB RAM?  
3,155
07/26/2005 07:06PM
Re: At Performance Limit for 2 GB RAM?  
3,635
07/27/2005 09:46AM
Re: At Performance Limit for 2 GB RAM?  
3,200
08/02/2005 12:59AM
Re: At Performance Limit for 2 GB RAM?  
3,330
08/09/2005 07:57AM
Re: At Performance Limit for 2 GB RAM?  
3,398
08/08/2005 09:26AM
Re: At Performance Limit for 2 GB RAM?  
3,532
07/30/2005 11:44AM
Re: At Performance Limit for 2 GB RAM?  
3,675
08/01/2005 11:18AM
Re: At Performance Limit for 2 GB RAM?  
3,587
08/04/2005 07:17PM
Re: At Performance Limit for 2 GB RAM?  
4,090
08/08/2005 09:08AM
Re: At Performance Limit for 2 GB RAM?  
3,022
07/26/2005 06:55PM
Re: At Performance Limit for 2 GB RAM?  
3,035
07/25/2005 01:40PM
Re: At Performance Limit for 2 GB RAM?  
3,852
07/22/2005 02:13PM
Re: SQL syntax appears correct but EXPLAIN does not work?  
2,768
07/10/2005 11:55AM
Re: SQL syntax appears correct but EXPLAIN does not work?  
3,012
07/18/2005 08:17AM
Re: SQL syntax appears correct but EXPLAIN does not work?  
3,074
07/18/2005 09:04AM
Re: SQL syntax appears correct but EXPLAIN does not work?  
2,641
07/18/2005 09:04AM
Re: SQL syntax appears correct but EXPLAIN does not work?  
2,931
07/18/2005 09:57AM
Re: SQL syntax appears correct but EXPLAIN does not work?  
2,698
07/18/2005 10:54AM
4,384
02/02/2005 10:39AM
Re: Why does this query take 2 minutes?  
2,760
02/02/2005 07:36PM
Re: Why does this query take 2 minutes?  
2,532
02/03/2005 07:21AM
Re: Why does this query take 2 minutes?  
2,696
02/03/2005 08:43PM
Re: Why does this query take 2 minutes?  
2,584
02/03/2005 08:34PM
5,221
01/03/2005 04:02AM
10,526
12/05/2004 07:18AM
Re: SELECT on multiple column index  
3,451
12/09/2004 07:38PM
Re: SELECT on multiple column index  
3,793
12/10/2004 07:51AM
Re: SELECT on multiple column index  
4,750
12/10/2004 08:42AM
Re: SELECT on multiple column index  
3,427
12/10/2004 10:23AM
Re: SELECT on multiple column index  
3,884
12/10/2004 11:02AM
Re: SELECT on multiple column index  
4,001
12/09/2004 11:23AM
Re: SELECT on multiple column index  
3,754
12/09/2004 09:08AM
Re: Issues with Sub-selects and performance on Win 2003  
2,642
11/06/2004 03:23PM
Re: Issues with Sub-selects and performance on Win 2003  
2,608
11/11/2004 09:05AM
Re: Issues with Sub-selects and performance on Win 2003  
2,643
11/12/2004 05:49AM
Re: Issues with Sub-selects and performance on Win 2003  
2,647
11/11/2004 07:11PM
3,436
10/15/2004 12:35PM
Re: Query Optimizer Problems  
2,685
10/15/2004 02:11PM
Pages:
« 1
...
15 16 17 18 19

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.