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Subject Views Written By Posted
Sticky:  MySQL Parser (1 Posts)   338 Edwin Desouza 04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)   1,703 Edwin Desouza 12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)   2,427 Edwin Desouza 07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)   7,792 Edwin DeSouza 04/28/2007 06:20PM
Intermediate Query Results   70 Ashwini Singh 09/12/2014 08:37AM
Re: Intermediate Query Results   26 Rick James 09/13/2014 09:23PM
Re: Intermediate Query Results   34 Øystein Grøvlen 09/15/2014 05:42AM
All records scanning using "LIKe" and "IN" operaters   215 ch srinivas 06/28/2014 01:43PM
Re: All records scanning using "LIKe" and "IN" operaters   76 Peter Brawley 06/28/2014 02:22PM
Re: All records scanning using "LIKe" and "IN" operaters   28 Øystein Grøvlen 08/28/2014 03:47PM
Help me to optimize my sql query   113 GAURAV JAIN 08/21/2014 07:29AM
Re: Help me to optimize my sql query   41 Rick James 08/22/2014 06:50AM
How could this SQL be optimized?   272 feng guo 05/29/2014 11:26PM
Re: How could this SQL be optimized?   114 Øystein Grøvlen 05/30/2014 02:41AM
Re: How could this SQL be optimized?   127 feng guo 05/30/2014 02:46AM
Re: How could this SQL be optimized?   37 Marion Gordon 08/21/2014 11:03PM
Re: How could this SQL be optimized?   32 Øystein Grøvlen 08/22/2014 01:54AM
simple uses of order by datetime keep causing 'using filesort'   119 park albert 08/19/2014 05:44PM
Re: simple uses of order by datetime keep causing 'using filesort'   43 Rick James 08/20/2014 07:34PM
Expland and slow-query don't agree   158 Aram Mirzadeh 08/03/2014 06:24AM
Re: Expland and slow-query don't agree   47 Rick James 08/04/2014 01:23PM
Query not using index sporadically   246 Vinay NP 06/13/2014 07:51AM
Re: Query not using index sporadically   85 Rick James 06/18/2014 02:48PM
[HELP] Subquery Optimization   224 Pinoy Central 05/28/2014 08:56PM
MySQL 5.7: Re-factoring internals of Prepared Statements   200 Edwin Desouza 05/15/2014 12:29PM
BETWEEN a DATE and a hard place   320 Gerald Bayles 04/16/2014 02:07PM
Re: BETWEEN a DATE and a hard place   139 Rick James 04/18/2014 05:19PM
Re: BETWEEN a DATE and a hard place   134 Gerald Bayles 04/21/2014 08:36AM
Re: BETWEEN a DATE and a hard place   136 Rick James 04/24/2014 08:20PM
Re: BETWEEN a DATE and a hard place   125 Gerald Bayles 04/25/2014 06:36AM
Re: BETWEEN a DATE and a hard place   118 Rick James 04/26/2014 05:46AM
Re: BETWEEN a DATE and a hard place   123 Gerald Bayles 04/28/2014 07:27AM
Re: BETWEEN a DATE and a hard place   119 Gerald Bayles 05/01/2014 09:41AM
Re: BETWEEN a DATE and a hard place   130 Rick James 05/02/2014 11:39AM
MySQL Optimizer: Features in MySQL 5.7   264 Edwin Desouza 04/22/2014 10:03AM
Access mysql blob data from stored procedure   340 Kalpesh g 04/15/2014 04:38AM
Re: Access mysql blob data from stored procedure   137 Peter Brawley 04/15/2014 11:14AM
PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   443 Andre Mikulec 03/05/2014 05:38PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   190 Rick James 03/06/2014 11:21PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   195 Rick James 03/06/2014 11:23PM
Explain estimate completely wrong for range when partitioned by day   525 Blake Harps 02/13/2014 01:23PM
Re: Explain estimate completely wrong for range when partitioned by day   215 Øystein Grøvlen 02/14/2014 01:29AM
Re: Explain estimate completely wrong for range when partitioned by day   223 Mattias Jonsson 02/14/2014 09:44AM
Re: Explain estimate completely wrong for range when partitioned by day   211 Blake Harps 02/14/2014 03:07PM
Re: Explain estimate completely wrong for range when partitioned by day   220 Blake Harps 02/14/2014 02:58PM
Re: Explain estimate completely wrong for range when partitioned by day   215 Edwin Desouza 02/15/2014 12:39PM
Re: Explain estimate completely wrong for range when partitioned by day   212 Rick James 02/15/2014 12:42PM
Re: Explain estimate completely wrong for range when partitioned by day   173 Blake Harps 03/04/2014 12:27PM
Re: Explain estimate completely wrong for range when partitioned by day   213 Mattias Jonsson 02/17/2014 04:29PM
Subquery with range uses filesort   799 David Marcus 11/16/2013 02:42PM
Re: Subquery with range uses filesort   276 Rick James 11/17/2013 07:42PM
Re: Subquery with range uses filesort   248 David Marcus 11/17/2013 08:01PM
Re: Subquery with range uses filesort   270 Rick James 11/18/2013 04:33PM
Re: Subquery with range uses filesort   281 David Marcus 11/18/2013 07:54PM
Re: Subquery with range uses filesort   269 Rick James 11/19/2013 04:10PM
Re: Subquery with range uses filesort   272 David Marcus 11/19/2013 08:36PM
Re: Subquery with range uses filesort   288 Rick James 11/21/2013 02:55PM
Re: Subquery with range uses filesort   265 David Marcus 12/05/2013 03:46PM
Re: Subquery with range uses filesort   238 Rick James 12/07/2013 02:10PM
Re: Subquery with range uses filesort   234 David Marcus 12/09/2013 06:08PM
Re: Subquery with range uses filesort   245 David Marcus 12/14/2013 09:51PM
Re: Subquery with range uses filesort   226 David Marcus 12/14/2013 10:17PM
Re: Subquery with range uses filesort   252 Rick James 12/15/2013 11:29PM
Re: Subquery with range uses filesort   279 David Marcus 12/17/2013 06:58PM
Re: Subquery with range uses filesort   227 Rick James 12/18/2013 05:49PM
Re: Subquery with range uses filesort   217 David Marcus 12/18/2013 08:28PM
Re: Subquery with range uses filesort   248 Rick James 12/19/2013 10:13PM
Re: Subquery with range uses filesort   232 David Marcus 12/19/2013 10:28PM
Re: Subquery with range uses filesort   220 Rick James 12/20/2013 07:06PM
Re: Subquery with range uses filesort   243 David Marcus 12/21/2013 07:36AM
Re: Subquery with range uses filesort   248 Rick James 12/22/2013 10:01AM
Re: Subquery with range uses filesort   271 David Marcus 12/22/2013 10:45AM
Re: Subquery with range uses filesort   240 David Marcus 12/25/2013 09:30PM
Optimizer executes inperformant subquery first   720 Martin Kirchner 12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first   242 Rick James 12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first   281 Martin Kirchner 12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first   360 Øystein Grøvlen 12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first   232 Martin Kirchner 12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first   231 Øystein Grøvlen 12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first   240 Martin Kirchner 12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first   235 Øystein Grøvlen 12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first   230 Rick James 12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first   234 Martin Kirchner 12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first   251 Rick James 12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first   223 Øystein Grøvlen 12/19/2013 02:49AM
my.cnf   580 Juan Medina 10/27/2013 02:08PM
Re: my.cnf   258 Rick James 10/29/2013 07:12PM
my.cnf optimization please help   843 Ivan Kratunkov 10/28/2013 03:39AM
Re: my.cnf optimization please help   331 Rick James 10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7   469 Edwin Desouza 10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query   577 George Maharis 10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query   300 Rick James 10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query   272 George Maharis 10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query   256 Rick James 10/16/2013 08:36PM
MySQL My.cnf Config Help   569 Mathieu Louis 10/03/2013 09:32PM
Very slow dependent subquery   722 patrick canarelli 09/18/2013 03:06AM
Re: Very slow dependent subquery   389 Øystein Grøvlen 09/18/2013 07:06AM
Re: Very slow dependent subquery   339 patrick canarelli 09/18/2013 07:51AM
Re: Very slow dependent subquery   301 Øystein Grøvlen 09/18/2013 02:57PM
Re: Very slow dependent subquery   332 Peter Brawley 09/18/2013 02:13PM
Re: Very slow dependent subquery   325 patrick canarelli 09/18/2013 03:10PM
Re: Very slow dependent subquery   321 Rick James 09/24/2013 10:04PM
Re: Very slow dependent subquery   377 patrick canarelli 09/25/2013 12:53AM
big database +1 million rows/days   719 khaoula el hammoumi 09/11/2013 04:06AM
Re: big database +1 million rows/days   334 khaoula el hammoumi 09/12/2013 01:37AM
Re: big database +1 million rows/days   347 Rick James 09/13/2013 10:59PM
Optimize query join with 25,000 records   695 Andrea Presazzi 08/26/2013 02:27AM
Re: Optimize query join with 25,000 records   328 Rick James 08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter   1,058 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   482 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   383 Rick James 08/31/2013 04:13PM
query index not used   572 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   312 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   904 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   397 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   384 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   329 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   348 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   369 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   363 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   366 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   639 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   339 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   1,118 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   519 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   527 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   458 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   412 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   408 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   434 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   713 Rick James 06/04/2013 11:49PM
Query optimization   935 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   438 Rick James 05/12/2013 08:42PM
Re: Query optimization   429 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   419 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   385 Rick James 05/16/2013 08:18AM
Re: Query optimization   434 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   419 Rick James 05/17/2013 11:47PM
Re: Query optimization   400 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   416 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   714 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   1,228 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   523 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   2,909 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   782 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   759 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   660 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   700 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   594 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   628 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   726 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   663 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   605 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   638 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   609 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   617 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   590 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   613 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   660 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   780 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   658 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   685 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   635 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   650 David Marcus 02/03/2013 04:15PM
Very slow query, help please   1,011 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   603 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   599 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   630 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   902 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   3,764 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   1,410 Rick James 01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   1,001 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   1,697 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   627 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   846 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   613 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   675 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   579 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   598 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   568 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,297 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   626 Rick James 12/21/2012 12:49PM
mysql subquery query optimization question   1,288 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   594 Rick James 01/13/2013 11:30AM
Create a New Datatype   1,168 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   557 Rick James 01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys   1,183 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   1,946 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   839 Rick James 12/08/2012 01:33PM
Complex query - need advise   1,352 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   663 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   654 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   934 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,282 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   676 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   617 Chris Slominski 10/25/2012 06:15AM
JOIN query too slow   1,392 N. Kovac 10/13/2012 11:52AM
Re: JOIN query too slow   647 Peter Brawley 10/14/2012 10:26AM
Re: JOIN query too slow   633 Rick James 10/16/2012 07:48PM
bulk update very slow   3,002 james che 09/25/2012 02:51PM
Re: bulk update very slow   1,095 james che 09/26/2012 02:58PM
Re: bulk update very slow   996 Rick James 09/27/2012 08:19PM
Re: bulk update very slow   1,135 Jørgen Løland 09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?   1,344 Daniel Estrada 09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?   759 Rick James 09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?   827 Daniel Estrada 09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?   670 Rick James 09/24/2012 11:43PM
Join? Union? I am so lost.   1,281 Hank Reardon 09/17/2012 09:09AM
Re: Join? Union? I am so lost.   629 Rick James 09/18/2012 07:48AM
How make indexes work with group by statement   1,259 Adnan Raza 09/13/2012 12:48AM
Re: How make indexes work with group by statement   656 Rick James 09/15/2012 10:34PM
Re: How make indexes work with group by statement   678 Jørgen Løland 09/13/2012 01:50AM
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