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Two nearly equal querys, but very different performance  
3,111
Sven Markwart
09/12/2006 08:54AM
Re: Two nearly equal querys, but very different performance  
1,909
Toa Sty
09/12/2006 09:34AM
sometimes, mysql don't use an existing index  
6,365
Bart Peeters
09/04/2006 12:17PM
Re: sometimes, mysql don't use an existing index  
2,844
Toa Sty
09/11/2006 06:29AM
slow corelated subquery, not sure how to rewrite  
3,638
Tait Larson
09/01/2006 06:42PM
Re: slow corelated subquery, not sure how to rewrite  
2,060
Tait Larson
09/03/2006 12:00AM
Re: slow corelated subquery, not sure how to rewrite  
1,912
KimSeong Loh
09/10/2006 10:18PM
best way to create 'next' and 'previous' text  
2,698
Johannes Fosseus
09/10/2006 01:53AM
Re: best way to create 'next' and 'previous' text  
1,658
Bob Field
09/10/2006 09:01AM
Best index for my table  
3,311
Johannes Fosseus
09/09/2006 01:01AM
Re: Best index for my table  
1,857
Bob Field
09/09/2006 02:01PM
Re: Best index for my table  
1,807
Johannes Fosseus
09/10/2006 12:37AM
Why do mysql use temporary and filesort here?  
3,453
Johannes Fosseus
09/08/2006 04:50AM
Re: Why do mysql use temporary and filesort here?  
2,253
Björn Steinbrink
09/08/2006 06:36AM
slow selects  
2,874
Danie Van der Walt
08/31/2006 08:02AM
Re: slow selects  
1,937
Toa Sty
08/31/2006 08:43AM
Re: slow selects  
1,924
Danie Van der Walt
08/31/2006 09:06AM
Re: slow selects  
1,937
Toa Sty
09/01/2006 03:04AM
Re: slow selects  
1,896
Danie Van der Walt
09/01/2006 04:17AM
Re: slow selects  
2,169
Toa Sty
09/01/2006 04:50AM
Re: slow selects  
1,901
Danie Van der Walt
09/01/2006 07:24AM
Re: slow selects  
1,941
Toa Sty
09/01/2006 08:16AM
Re: slow selects  
1,936
Danie Van der Walt
09/02/2006 12:52PM
Query Optimization  
2,791
Will Buckner
08/21/2006 11:05AM
Re: Query Optimization  
1,756
Bill Karwin
08/21/2006 06:44PM
Re: Query Optimization  
1,772
Will Buckner
08/27/2006 11:50PM
Re: Query Optimization  
1,890
Anthony Willard
08/28/2006 07:33AM
Optimizing a UNION Query  
6,322
Charles Salvia
08/23/2006 08:16PM
Re: Optimizing a UNION Query  
2,730
Toa Sty
08/24/2006 05:28AM
Re: Optimizing a UNION Query  
2,771
Charles Salvia
08/24/2006 12:12PM
Re: Optimizing a UNION Query  
5,472
Toa Sty
08/25/2006 06:14AM
Re: Optimizing a UNION Query  
2,723
Toa Sty
08/24/2006 04:59AM
Really need help with optimization  
3,060
Anders Bergman
08/22/2006 01:43PM
Re: Really need help with optimization  
1,852
Toa Sty
08/23/2006 12:50AM
Re: Really need help with optimization  
1,943
Anders Bergman
08/23/2006 01:24PM
Re: Really need help with optimization  
1,865
Toa Sty
08/24/2006 04:53AM
Re: Really need help with optimization  
1,907
Anders Bergman
08/22/2006 01:46PM
Left Join Problem  
2,690
Clodelio Delfino
08/22/2006 11:30PM
Re: Left Join Problem  
1,829
Bob Field
08/23/2006 09:00AM
Re: Left Join Problem  
1,866
Clodelio Delfino
08/23/2006 06:53PM
Re: Left Join Problem  
1,759
Bob Field
08/23/2006 07:12PM
Re: Left Join Problem  
1,946
Clodelio Delfino
08/23/2006 11:01PM
optimizing the query.  
2,717
ronak desai
07/26/2006 07:13AM
Re: optimizing the query.  
1,906
Yogesh Salvi
08/22/2006 12:37PM
Re: optimizing the query.  
1,883
Toa Sty
08/04/2006 04:50AM
Re: optimizing the query.  
1,812
KimSeong Loh
07/27/2006 12:13AM
cant get LEFT JOIN to work properly when ORDER'ing BY  
2,424
Liutauras
08/20/2006 02:11AM
Re: cant get LEFT JOIN to work properly when ORDER'ing BY  
1,701
Liutauras
08/22/2006 03:26AM
cant get LEFT JOIN to work properly when ORDER'ing BY  
6,521
Liutauras
08/20/2006 01:36AM
Re: cant get LEFT JOIN to work properly when ORDER'ing BY  
8,513
Toa Sty
08/21/2006 07:25AM
Re: cant get LEFT JOIN to work properly when ORDER'ing BY  
4,131
Toa Sty
08/21/2006 07:55AM
Re: cant get LEFT JOIN to work properly when ORDER'ing BY  
3,037
Liutauras
08/22/2006 03:25AM
Force Table Selection Order in JOIN Statement?  
10,862
Frank Osterberg
08/21/2006 02:39AM
Re: Force Table Selection Order in JOIN Statement?  
9,773
Toa Sty
08/21/2006 06:24AM
ORDER BY RAND() taking too much time  
10,361
Yogesh Salvi
04/29/2006 05:30AM
Re: ORDER BY RAND() taking too much time  
3,879
Erin ONeill
06/08/2006 10:38AM
Re: ORDER BY RAND() taking too much time  
2,674
Yogesh Salvi
05/11/2006 04:25AM
Re: ORDER BY RAND() taking too much time  
3,190
Yogesh Salvi
05/03/2006 01:51AM
Re: ORDER BY RAND() taking too much time  
3,490
Ravenous Bugblatter Beast
08/15/2006 05:13PM
Re: ORDER BY RAND() taking too much time  
3,010
Yogesh Salvi
05/03/2006 02:11AM
Re: ORDER BY RAND() taking too much time  
4,169
Yogesh Salvi
05/02/2006 08:44AM
Re: ORDER BY RAND() taking too much time  
3,607
Björn Steinbrink
05/02/2006 02:24PM
Re: ORDER BY RAND() taking too much time  
3,868
Sebastien Caisse
05/01/2006 08:49AM
How to create on-the-fly index on derived table?  
12,700
Nathan Cheng
07/25/2006 01:05PM
Re: How to create on-the-fly index on derived table?  
7,465
Nathan Cheng
08/12/2006 03:04PM
difference performance of simple SELECT (on large tables) between MySql running on Windows XP and on Ubuntu  
2,997
Ed Stone
08/09/2006 03:48PM
EXISTS() optimization  
19,808
Rob Blick
06/07/2006 10:00AM
Re: EXISTS() optimization  
6,707
bill stamp
07/25/2006 07:54AM
Re: EXISTS() optimization  
5,690
Nathan Cheng
07/25/2006 01:13PM
Re: EXISTS() optimization  
5,329
Toa Sty
08/04/2006 04:45AM
Too many rows being read  
3,021
preston
08/02/2006 02:02PM
Re: Too many rows being read  
1,799
Bob Field
08/02/2006 02:18PM
Why does this query filesort?  
2,861
Jim Daemon
07/27/2006 12:05PM
Re: Why does this query filesort?  
1,879
KimSeong Loh
08/01/2006 11:14PM
optimize dynamic sql  
3,649
Bhupesh Tripathi
07/28/2006 03:33AM
query of tables with a longblob  
2,638
paul obyrne
06/23/2006 11:44AM
Re: query of tables with a longblob  
1,786
Nathan Cheng
07/25/2006 01:26PM
Optimizing (a=b and c=d) OR (e=f and g=h)  
2,768
a.h.s. boy
07/20/2006 12:07PM
Re: Optimizing (a=b and c=d) OR (e=f and g=h)  
1,835
KimSeong Loh
07/20/2006 05:29PM
Re: Optimizing (a=b and c=d) OR (e=f and g=h)  
1,809
a.h.s. boy
07/20/2006 10:09PM
With vs Without Primary Key in a particular case  
7,104
Martin Feng
07/19/2006 11:02PM
Re: With vs Without Primary Key in a particular case  
2,914
KimSeong Loh
07/20/2006 05:35PM
SELECT DISTINCT vs UNIQUE KEY  
10,457
Martin Feng
07/19/2006 06:11AM
LEFT JOIN problem  
3,521
Steve Jordi
07/17/2006 07:13AM
Re: LEFT JOIN problem  
1,875
Peter Brawley
07/17/2006 08:07AM
Re: LEFT JOIN problem  
1,831
Steve Jordi
07/17/2006 09:30AM
Re: LEFT JOIN problem  
1,838
Peter Brawley
07/17/2006 12:03PM
Re: LEFT JOIN problem  
1,761
Steve Jordi
07/17/2006 10:23PM
(How) are subqueries optimized involving the same table?  
2,802
Jakobus Dornier
07/13/2006 08:02AM
Re: (How) are subqueries optimized involving the same table?  
2,008
Jakobus Dornier
07/13/2006 08:20AM
Re: (How) are subqueries optimized involving the same table?  
1,842
Bob Field
07/13/2006 08:33AM
Re: (How) are subqueries optimized involving the same table?  
2,038
Jakobus Dornier
07/13/2006 08:40AM
Re: (How) are subqueries optimized involving the same table?  
1,858
Bob Field
07/13/2006 08:53AM
Re: (How) are subqueries optimized involving the same table?  
1,790
Jakobus Dornier
07/13/2006 08:57AM
Re: (How) are subqueries optimized involving the same table?  
2,021
Bob Field
07/13/2006 08:12AM
How to get some documents or articles on the query optimization of MySQL????  
2,557
Hui Sun
07/10/2006 07:10AM
Re: How to get some documents or articles on the query optimization of MySQL????  
1,854
KimSeong Loh
07/10/2006 05:12PM
min() vs limit optimization  
5,677
Paul Medynski
07/02/2006 05:34PM
Re: min() vs limit optimization  
2,271
Apachez
07/02/2006 08:26PM
Re: min() vs limit optimization  
2,209
Paul Medynski
07/03/2006 05:22PM
Re: min() vs limit optimization  
2,373
Apachez
07/04/2006 06:51AM
Slow Union Query Opimization. Need help.  
6,428
Roland Meier
06/29/2006 12:50AM
Re: Slow Union Query Opimization. Need help.  
2,633
Jay Pipes
06/29/2006 04:53PM
Re: Slow Union Query Opimization. Need help.  
3,017
Roland Meier
06/30/2006 02:30AM
Re: Slow Union Query Opimization. Need help.  
3,268
Anthony Willard
06/29/2006 08:24AM
querying time is too high  
3,001
trinath somanchi
06/27/2006 07:31AM
Re: querying time is too high  
1,972
Anthony Willard
06/29/2006 08:52AM
Re: querying time is too high  
1,982
trinath somanchi
06/29/2006 12:48AM
Re: querying time is too high  
2,029
Jim Daemon
06/28/2006 10:00AM
Boolean search and 99% cpu  
2,556
Taiyo Rai
06/27/2006 07:17AM
Joining several multi-to-multi tables  
3,786
adambrill1986
06/20/2006 11:59AM
Re: Joining several multi-to-multi tables  
2,124
adambrill1986
06/23/2006 06:58AM
Re: Joining several multi-to-multi tables  
2,041
adambrill1986
06/20/2006 12:21PM
Re: Joining several multi-to-multi tables  
2,010
adambrill1986
06/20/2006 01:44PM
Re: Joining several multi-to-multi tables  
1,980
Bill Karwin
06/20/2006 04:23PM
Re: Joining several multi-to-multi tables  
1,975
KimSeong Loh
06/20/2006 06:02PM
Re: Joining several multi-to-multi tables  
1,964
Bill Karwin
06/20/2006 01:02PM
Re: Joining several multi-to-multi tables  
1,959
Bill Karwin
06/20/2006 12:14PM
no optimization?  
2,651
Uwe
05/22/2006 05:47AM
Re: no optimization?  
1,941
Apachez
06/18/2006 08:50PM
Re: no optimization?  
1,909
Uwe
06/21/2006 10:40AM
Regression: Query optimized in 4.1, not at all in 5.0, why?  
2,673
William Shubert
06/21/2006 12:35AM
Re: Regression: Query optimized in 4.1, not at all in 5.0, why?  
1,871
William Shubert
06/21/2006 12:36AM
RollOver one table - having 10millin records - Still 100,000 insertion/sec at bottom - Need to delete 30,00,000 records in 1second after every 30 min  
5,178
Ijaz Rashid
06/20/2006 07:06AM
Re: RollOver one table - having 10millin records - Still 100,000 insertion/sec at bottom - Need to delete 30,00,000 records in 1second after every 30 min  
2,256
Bill Karwin
06/20/2006 12:18PM
Re: RollOver one table - having 10millin records - Still 100,000 insertion/sec at bottom - Need to delete 30,00,000 records in 1second after every 30 min  
2,390
Ijaz Rashid
06/20/2006 07:18AM
Why does this delete statement take so long?  
5,233
Jim Daemon
06/15/2006 02:11PM
Re: Why does this delete statement take so long?  
2,167
Bob Field
06/15/2006 03:56PM
Re: Why does this delete statement take so long?  
2,083
Jim Daemon
06/15/2006 04:16PM
Why isn't the index being used?  
3,506
Jim Daemon
06/12/2006 06:11PM
Re: Why isn't the index being used?  
2,038
Jim Daemon
06/13/2006 04:03PM
Re: Why isn't the index being used?  
2,047
Jim Daemon
06/13/2006 09:54AM
Re: Why isn't the index being used?  
1,977
KimSeong Loh
06/13/2006 10:34AM
Re: Why isn't the index being used?  
2,022
Bob Field
06/13/2006 09:11AM
Re: Why isn't the index being used?  
2,245
Jim Daemon
06/13/2006 08:41AM
Re: Why isn't the index being used?  
1,984
Bob Field
06/12/2006 06:41PM
How to avoid temporary and filesort?  
6,106
Jim Daemon
06/13/2006 08:49AM
Re: How to avoid temporary and filesort?  
3,265
KimSeong Loh
06/13/2006 09:06AM
Re: How to avoid temporary and filesort?  
3,451
Jim Daemon
06/13/2006 09:39AM
Re: How to avoid temporary and filesort?  
2,854
KimSeong Loh
06/13/2006 10:31AM
How to avoid filesort  
12,750
Jim Daemon
06/11/2006 06:50PM
Re: How to avoid filesort  
6,282
Jim Daemon
06/12/2006 01:30PM
Re: How to avoid filesort  
7,002
KimSeong Loh
06/12/2006 08:40AM
Re: How to avoid filesort  
6,255
Jim Daemon
06/12/2006 09:10AM
Help with optimizing GROUP BY query  
5,211
lasse
06/12/2006 07:16AM
Re: Help with optimizing GROUP BY query  
2,629
KimSeong Loh
06/12/2006 08:37AM
Re: Help with optimizing GROUP BY query  
2,535
lasse
06/12/2006 10:54AM
Re: Help with optimizing GROUP BY query  
2,543
KimSeong Loh
06/12/2006 01:01PM
Why is FULLTEXT index not used with a LEFT JOIN?  
4,133
Tad Woods
06/11/2006 10:29AM
Re: Why is FULLTEXT index not used with a LEFT JOIN?  
2,265
Tad Woods
06/11/2006 03:39PM
fast way to delete records?  
14,389
ylu
05/23/2006 03:35PM
Re: fast way to delete records?  
6,242
KimSeong Loh
05/24/2006 06:43PM
Re: fast way to delete records?  
4,594
tri.truong
06/08/2006 12:30PM
Re: fast way to delete records?  
6,832
Anthony Willard
05/24/2006 07:29AM
Will sort help optimizing this query?  
2,995
binglew
06/08/2006 11:27AM
count(*) versus mysql_num_rows  
28,418
nachomonterde
11/21/2005 03:54PM
Re: count(*) versus mysql_num_rows  
5,737
Rob Blick
06/08/2006 09:41AM
Re: count(*) versus mysql_num_rows  
8,191
Paul Loy
06/02/2006 04:13AM
Re: count(*) versus mysql_num_rows  
9,210
Alexandru Cristescu
11/24/2005 05:55AM
Re: count(*) versus mysql_num_rows  
7,577
Jacky Shu
11/24/2005 09:18AM
Selecting a proper table stucture  
3,396
Daniel Misio
06/07/2006 04:07AM
Re: Selecting a proper table stucture  
2,075
Anthony Willard
06/07/2006 09:47AM
Slow Database  
9,354
Dominic Hayhoe
05/31/2006 11:29AM
Re: Slow Database  
3,493
Dominic Hayhoe
06/01/2006 04:14AM
Re: Slow Database  
2,655
KimSeong Loh
06/01/2006 06:40PM
Re: Slow Database  
3,046
Dominic Hayhoe
06/02/2006 02:17AM
Re: Slow Database  
2,884
KimSeong Loh
06/05/2006 10:37AM
Re: Slow Database  
2,739
KimSeong Loh
05/31/2006 07:43PM
Re: Slow Database  
2,711
Dominic Hayhoe
06/01/2006 12:19AM
Re: Slow Database  
3,607
Peter Brawley
05/31/2006 12:06PM
Re: Slow Database  
2,909
Dominic Hayhoe
05/31/2006 12:43PM
Help to optimize my query  
2,459
björn spiegel
06/04/2006 09:34AM
Optimizing query with multiple joins  
4,978
EM Ayllon
05/29/2006 05:07AM
Re: Optimizing query with multiple joins  
2,367
EM Ayllon
05/30/2006 07:15AM
Re: Optimizing query with multiple joins  
2,482
Peter Brawley
05/29/2006 08:36AM
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