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BETWEEN a DATE and a hard place  
2,006
Gerald Bayles
04/16/2014 02:07PM
Re: BETWEEN a DATE and a hard place  
1,051
Rick James
04/18/2014 05:19PM
Re: BETWEEN a DATE and a hard place  
1,131
Gerald Bayles
04/21/2014 08:36AM
Re: BETWEEN a DATE and a hard place  
1,090
Rick James
04/24/2014 08:20PM
Re: BETWEEN a DATE and a hard place  
1,249
Gerald Bayles
04/25/2014 06:36AM
Re: BETWEEN a DATE and a hard place  
1,038
Rick James
04/26/2014 05:46AM
Re: BETWEEN a DATE and a hard place  
1,078
Gerald Bayles
04/28/2014 07:27AM
Re: BETWEEN a DATE and a hard place  
1,137
Gerald Bayles
05/01/2014 09:41AM
Re: BETWEEN a DATE and a hard place  
1,185
Rick James
05/02/2014 11:39AM
MySQL Optimizer: Features in MySQL 5.7  
1,759
Edwin Desouza
04/22/2014 10:03AM
Access mysql blob data from stored procedure  
3,000
Kalpesh g
04/15/2014 04:38AM
Re: Access mysql blob data from stored procedure  
1,203
Peter Brawley
04/15/2014 11:14AM
PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory  
3,451
Andre Mikulec
03/05/2014 05:38PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory  
1,443
Rick James
03/06/2014 11:21PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory  
1,348
Rick James
03/06/2014 11:23PM
Explain estimate completely wrong for range when partitioned by day  
3,136
Blake Harps
02/13/2014 01:23PM
Re: Explain estimate completely wrong for range when partitioned by day  
1,306
Øystein Grøvlen
02/14/2014 01:29AM
Re: Explain estimate completely wrong for range when partitioned by day  
1,382
Mattias Jonsson
02/14/2014 09:44AM
Re: Explain estimate completely wrong for range when partitioned by day  
1,368
Blake Harps
02/14/2014 03:07PM
Re: Explain estimate completely wrong for range when partitioned by day  
1,279
Blake Harps
02/14/2014 02:58PM
Re: Explain estimate completely wrong for range when partitioned by day  
1,168
Edwin Desouza
02/15/2014 12:39PM
Re: Explain estimate completely wrong for range when partitioned by day  
1,256
Rick James
02/15/2014 12:42PM
Re: Explain estimate completely wrong for range when partitioned by day  
1,240
Blake Harps
03/04/2014 12:27PM
Re: Explain estimate completely wrong for range when partitioned by day  
1,360
Mattias Jonsson
02/17/2014 04:29PM
Subquery with range uses filesort  
3,731
David Marcus
11/16/2013 02:42PM
Re: Subquery with range uses filesort  
1,361
Rick James
11/17/2013 07:42PM
Re: Subquery with range uses filesort  
1,366
David Marcus
11/17/2013 08:01PM
Re: Subquery with range uses filesort  
1,346
Rick James
11/18/2013 04:33PM
Re: Subquery with range uses filesort  
1,892
David Marcus
11/18/2013 07:54PM
Re: Subquery with range uses filesort  
1,544
Rick James
11/19/2013 04:10PM
Re: Subquery with range uses filesort  
1,434
David Marcus
11/19/2013 08:36PM
Re: Subquery with range uses filesort  
1,525
Rick James
11/21/2013 02:55PM
Re: Subquery with range uses filesort  
1,734
David Marcus
12/05/2013 03:46PM
Re: Subquery with range uses filesort  
1,364
Rick James
12/07/2013 02:10PM
Re: Subquery with range uses filesort  
1,345
David Marcus
12/09/2013 06:08PM
Re: Subquery with range uses filesort  
1,357
David Marcus
12/14/2013 09:51PM
Re: Subquery with range uses filesort  
1,317
David Marcus
12/14/2013 10:17PM
Re: Subquery with range uses filesort  
1,405
Rick James
12/15/2013 11:29PM
Re: Subquery with range uses filesort  
1,423
David Marcus
12/17/2013 06:58PM
Re: Subquery with range uses filesort  
1,360
Rick James
12/18/2013 05:49PM
Re: Subquery with range uses filesort  
1,388
David Marcus
12/18/2013 08:28PM
Re: Subquery with range uses filesort  
1,460
Rick James
12/19/2013 10:13PM
Re: Subquery with range uses filesort  
1,433
David Marcus
12/19/2013 10:28PM
Re: Subquery with range uses filesort  
1,278
Rick James
12/20/2013 07:06PM
Re: Subquery with range uses filesort  
1,378
David Marcus
12/21/2013 07:36AM
Re: Subquery with range uses filesort  
1,403
Rick James
12/22/2013 10:01AM
Re: Subquery with range uses filesort  
1,474
David Marcus
12/22/2013 10:45AM
Re: Subquery with range uses filesort  
1,336
David Marcus
12/25/2013 09:30PM
Optimizer executes inperformant subquery first  
3,302
Martin Kirchner
12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first  
1,306
Rick James
12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first  
1,538
Martin Kirchner
12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first  
1,630
Øystein Grøvlen
12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first  
1,509
Martin Kirchner
12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first  
1,326
Øystein Grøvlen
12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first  
1,261
Martin Kirchner
12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first  
1,217
Øystein Grøvlen
12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first  
1,206
Rick James
12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first  
1,311
Martin Kirchner
12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first  
1,350
Rick James
12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first  
1,277
Øystein Grøvlen
12/19/2013 02:49AM
my.cnf  
2,195
Juan Medina
10/27/2013 02:08PM
Re: my.cnf  
1,101
Rick James
10/29/2013 07:12PM
my.cnf optimization please help  
3,635
Ivan Kratunkov
10/28/2013 03:39AM
Re: my.cnf optimization please help  
1,277
Rick James
10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7  
1,863
Edwin Desouza
10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query  
2,119
George Maharis
10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query  
1,143
Rick James
10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query  
1,117
George Maharis
10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query  
1,146
Rick James
10/16/2013 08:36PM
MySQL My.cnf Config Help  
2,351
Mathieu Louis
10/03/2013 09:32PM
Very slow dependent subquery  
2,408
patrick canarelli
09/18/2013 03:06AM
Re: Very slow dependent subquery  
1,452
Øystein Grøvlen
09/18/2013 07:06AM
Re: Very slow dependent subquery  
1,384
patrick canarelli
09/18/2013 07:51AM
Re: Very slow dependent subquery  
1,351
Øystein Grøvlen
09/18/2013 02:57PM
Re: Very slow dependent subquery  
1,280
Peter Brawley
09/18/2013 02:13PM
Re: Very slow dependent subquery  
1,196
patrick canarelli
09/18/2013 03:10PM
Re: Very slow dependent subquery  
1,221
Rick James
09/24/2013 10:04PM
Re: Very slow dependent subquery  
1,535
patrick canarelli
09/25/2013 12:53AM
big database +1 million rows/days  
2,842
khaoula el hammoumi
09/11/2013 04:06AM
Re: big database +1 million rows/days  
1,160
khaoula el hammoumi
09/12/2013 01:37AM
Re: big database +1 million rows/days  
1,159
Rick James
09/13/2013 10:59PM
Optimize query join with 25,000 records  
2,322
Andrea Presazzi
08/26/2013 02:27AM
Re: Optimize query join with 25,000 records  
1,157
Rick James
08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter  
3,576
Chad B
08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter  
1,640
Chad B
08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter  
1,378
Rick James
08/31/2013 04:13PM
query index not used  
1,825
Adrian Petre
08/15/2013 05:23AM
Re: query index not used  
1,031
Rick James
08/31/2013 03:41PM
optimize request with order by and limit  
2,563
yassine laouija
07/18/2013 05:26AM
Re: optimize request with order by and limit  
1,330
Rick James
07/20/2013 10:25PM
Re: optimize request with order by and limit  
1,129
yassine laouija
07/22/2013 09:46AM
Re: optimize request with order by and limit  
1,076
Rick James
07/23/2013 08:58AM
Re: optimize request with order by and limit  
1,127
yassine laouija
07/26/2013 04:07AM
Re: optimize request with order by and limit  
1,139
Rick James
07/26/2013 11:53PM
Re: optimize request with order by and limit  
1,218
yassine laouija
07/29/2013 04:40AM
Re: optimize request with order by and limit  
1,131
Rick James
08/01/2013 10:39PM
providing a single line for multiple records from a table  
2,058
raja chacham
07/23/2013 09:56AM
Re: providing a single line for multiple records from a table  
1,016
Rick James
07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates  
3,712
Anthony Galano
05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates  
1,567
Rick James
05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates  
1,523
Anthony Galano
05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates  
1,375
Rick James
05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates  
1,412
Anthony Galano
05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates  
1,352
Rick James
06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates  
1,513
Anthony Galano
06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates  
2,681
Rick James
06/04/2013 11:49PM
Query optimization  
2,554
Jan Kowalski
05/10/2013 05:35AM
Re: Query optimization  
1,254
Rick James
05/12/2013 08:42PM
Re: Query optimization  
1,212
Jan Kowalski
05/15/2013 06:45AM
Re: Query optimization  
1,229
Jan Kowalski
05/15/2013 08:35AM
Re: Query optimization  
1,342
Rick James
05/16/2013 08:18AM
Re: Query optimization  
1,265
Jan Kowalski
05/17/2013 03:52AM
Re: Query optimization  
1,223
Rick James
05/17/2013 11:47PM
Re: Query optimization  
1,126
Jan Kowalski
05/21/2013 08:51AM
Re: Query optimization  
1,227
Jan Kowalski
05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?  
1,895
Edwin Desouza
05/02/2013 10:05AM
Index optimized left join with group by  
3,119
Michal Kurgan
03/11/2013 05:41PM
Re: Index optimized left join with group by  
1,226
Øystein Grøvlen
03/12/2013 04:16AM
Select last row that is less than or equal to a date  
6,416
David Marcus
01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date  
1,842
Rick James
01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date  
1,862
David Marcus
01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date  
1,651
Rick James
01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date  
1,844
David Marcus
01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date  
1,568
Rick James
01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date  
1,594
David Marcus
01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date  
2,043
Øystein Grøvlen
01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date  
1,561
David Marcus
01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date  
1,514
Øystein Grøvlen
02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date  
1,600
David Marcus
02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date  
1,510
Øystein Grøvlen
02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date  
1,527
David Marcus
02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date  
1,431
Øystein Grøvlen
02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date  
1,460
David Marcus
02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date  
1,540
Rick James
02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date  
2,064
David Marcus
02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date  
1,547
Rick James
02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date  
1,645
David Marcus
02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date  
1,538
Rick James
02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date  
1,573
David Marcus
02/03/2013 04:15PM
Very slow query, help please  
2,627
Jaume Roca
01/29/2013 10:18AM
Re: Very slow query, help please  
1,439
Øystein Grøvlen
01/30/2013 05:12AM
Re: Very slow query, help please  
1,390
Rick James
01/30/2013 08:38AM
Re: Very slow query, help please  
1,432
Jaume Roca
01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away  
1,937
Edwin Desouza
01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!  
8,284
Sayed Ali
01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!  
2,908
Rick James
01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!  
2,061
Edwin Desouza
01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?  
3,745
Michael Hogue
01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?  
1,499
Rick James
01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?  
1,915
Roy Lyseng
01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?  
1,327
Rick James
01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?  
1,498
Roy Lyseng
01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?  
1,302
Rick James
01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?  
1,420
Roy Lyseng
01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?  
1,318
Roy Lyseng
01/11/2013 08:51AM
How to best optimize MYSQL Database  
2,355
Muhammad Usman
12/10/2012 03:45AM
Re: How to best optimize MYSQL Database  
1,267
Rick James
12/21/2012 12:49PM
mysql subquery query optimization question  
2,621
Yong Yim
01/12/2013 09:24AM
Re: mysql subquery query optimization question  
1,210
Rick James
01/13/2013 11:30AM
Create a New Datatype  
2,297
Andy Gurzynski
01/06/2013 01:00AM
Re: Create a New Datatype  
1,145
Rick James
01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys  
2,297
Edwin Desouza
12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"  
4,344
Sebastian Schött
12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"  
1,669
Rick James
12/08/2012 01:33PM
Complex query - need advise  
2,659
chris boer
11/03/2012 04:16PM
Re: Complex query - need advise  
1,319
chris boer
11/03/2012 04:24PM
Re: Complex query - need advise  
1,294
chris boer
11/04/2012 10:05AM
Re: Complex query - need advise  
1,594
Rick James
11/05/2012 11:12AM
Follow up on "Query Execution Plan"  
2,252
Chris Slominski
10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"  
1,255
Chris Slominski
10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"  
1,104
Chris Slominski
10/25/2012 06:15AM
JOIN query too slow  
2,328
N. Kovac
10/13/2012 11:52AM
Re: JOIN query too slow  
1,147
Peter Brawley
10/14/2012 10:26AM
Re: JOIN query too slow  
1,205
Rick James
10/16/2012 07:48PM
bulk update very slow  
4,709
james che
09/25/2012 02:51PM
Re: bulk update very slow  
1,806
james che
09/26/2012 02:58PM
Re: bulk update very slow  
1,840
Rick James
09/27/2012 08:19PM
Re: bulk update very slow  
2,819
Jørgen Løland
09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?  
2,720
Daniel Estrada
09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?  
1,523
Rick James
09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?  
1,477
Daniel Estrada
09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?  
1,153
Rick James
09/24/2012 11:43PM
Join? Union? I am so lost.  
2,143
Hank Reardon
09/17/2012 09:09AM
Re: Join? Union? I am so lost.  
1,132
Rick James
09/18/2012 07:48AM
How make indexes work with group by statement  
2,098
Adnan Raza
09/13/2012 12:48AM
Re: How make indexes work with group by statement  
1,200
Rick James
09/15/2012 10:34PM
Re: How make indexes work with group by statement  
1,250
Jørgen Løland
09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27  
2,525
Dominik Bieringer
09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27  
1,142
Rick James
09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27  
1,244
Øystein Grøvlen
09/06/2012 04:32AM
optimize the query  
2,270
ch srinivas
08/27/2012 10:47PM
Re: optimize the query  
1,174
Øystein Grøvlen
08/28/2012 01:43AM
Re: optimize the query  
1,072
ch srinivas
08/29/2012 04:15AM
Re: optimize the query  
1,133
Øystein Grøvlen
08/29/2012 04:39AM
Re: optimize the query  
1,045
ch srinivas
08/29/2012 05:38AM
Re: optimize the query  
1,110
Rick James
08/30/2012 07:20AM
Query with GROUP BY not using Index  
2,708
Imran Akbar
08/14/2012 01:06PM
Re: Query with GROUP BY not using Index  
1,309
Øystein Grøvlen
08/15/2012 02:46AM
Re: Query with GROUP BY not using Index  
1,240
Imran Akbar
08/16/2012 10:30AM
Re: Query with GROUP BY not using Index  
1,508
Øystein Grøvlen
08/17/2012 02:58AM
Re: Query with GROUP BY not using Index  
1,254
Rick James
08/18/2012 10:30PM
Re: Query with GROUP BY not using Index  
1,188
Imran Akbar
08/24/2012 12:41PM
Re: Query with GROUP BY not using Index  
1,267
Øystein Grøvlen
08/28/2012 03:11AM
Re: Query with GROUP BY not using Index  
1,319
Imran Akbar
08/28/2012 06:21PM
Re: Query with GROUP BY not using Index  
1,673
Øystein Grøvlen
08/29/2012 01:28AM
Re: Query with GROUP BY not using Index  
1,157
Imran Akbar
08/29/2012 10:36AM
CONCAT and Index in where clause  
14,982
Aurelien PANIZZA
08/22/2012 08:45AM
Re: CONCAT and Index in where clause  
5,159
Øystein Grøvlen
08/23/2012 01:15AM
Re: CONCAT and Index in where clause  
3,962
Rick James
08/23/2012 09:13PM
Re: CONCAT and Index in where clause  
4,044
Aurelien PANIZZA
08/27/2012 09:53AM
Re: CONCAT and Index in where clause  
4,012
Øystein Grøvlen
08/28/2012 02:50AM
Simple query spending too much time in 'statistics' state without reason  
11,773
Vincent B.
08/21/2012 06:19AM
Re: Simple query spending too much time in 'statistics' state without reason  
6,272
Jørgen Løland
08/24/2012 06:24AM
Re: Simple query spending too much time in 'statistics' state without reason  
4,542
Vincent B.
08/28/2012 01:53AM
Re: Simple query spending too much time in 'statistics' state without reason  
5,870
Rick James
08/22/2012 07:44PM
Order By Slows down Joins  
3,434
Sami BH
08/22/2012 09:12AM
Re: Order By Slows down Joins  
1,051
Rick James
08/23/2012 08:56PM
always uses filesort even after adding indexes  
2,408
Pranav Gore
08/22/2012 02:49AM
Re: always uses filesort even after adding indexes  
1,143
Rick James
08/22/2012 10:52PM
STRAIGHT_JOIN for OUTER JOINGS  
3,446
Paul Tsui
08/19/2012 08:28PM
Re: STRAIGHT_JOIN for OUTER JOINGS  
1,594
Øystein Grøvlen
08/20/2012 05:16AM
CPU usage 99% - and query very slow - help  
4,517
irox ferenc
08/03/2012 10:49AM
Re: CPU usage 99% - and query very slow - help  
1,842
Rick James
08/04/2012 01:36PM
Re: CPU usage 99% - and query very slow - help  
2,534
robert eeeeee
08/06/2012 01:04PM
Re: CPU usage 99% - and query very slow - help  
1,887
Øystein Grøvlen
08/15/2012 03:09AM
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