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Subject Views Written By Posted
Sticky:  MySQL Parser (1 Posts)   570 Edwin Desouza 04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)   1,913 Edwin Desouza 12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)   2,632 Edwin Desouza 07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)   7,989 Edwin DeSouza 04/28/2007 06:20PM
Query optimisation advice   111 Paul Feely 01/08/2015 11:02PM
Re: Query optimisation advice   25 Rick James 01/10/2015 01:22AM
Re: Query optimisation advice   26 Paul Feely 01/11/2015 05:50PM
Re: Query optimisation advice   17 Rick James 01/12/2015 10:35PM
actual Size calculation of mysql table (engine innodb)   122 Afaque Ahmad Siddiqui 12/10/2014 09:38AM
Re: actual Size calculation of mysql table (engine innodb)   38 Rick James 12/12/2014 08:32PM
Re: actual Size calculation of mysql table (engine innodb)   39 Rick James 12/12/2014 08:36PM
MySQL cash optimization   215 Sasha Katsman 11/27/2014 06:33AM
Re: MySQL cash optimization   82 Peter Brawley 11/27/2014 04:34PM
Re: MySQL cash optimization   43 Sasha Katsman 12/09/2014 04:33AM
Re: MySQL cache optimization   48 Peter Brawley 12/09/2014 12:28PM
how to tune for optimizer_search_depth?   123 jongse park 12/03/2014 12:13AM
Re: how to tune for optimizer_search_depth?   54 Rick James 12/03/2014 11:33PM
Re: how to tune for optimizer_search_depth?   73 Øystein Grøvlen 12/08/2014 05:32AM
MySQL Optimizer Cost Model   289 Edwin Desouza 10/24/2014 10:37AM
Need help to create index on join statments   312 Neil Sorathia 10/08/2014 06:24PM
Re: Need help to create index on join statments   120 Neil Sorathia 10/09/2014 09:46AM
Re: Need help to create index on join statments   145 Rick James 10/11/2014 01:37PM
Better Performance for JOINs Not Using Indexes   304 Edwin Desouza 10/03/2014 01:48PM
A Multi-Table Trick to Speed up Single-Table UPDATE/DELETE Statements   277 Edwin Desouza 10/03/2014 01:47PM
MySQL 5.7: Optimizer Hints + Query Rewrite   236 Edwin Desouza 10/01/2014 08:53AM
Intermediate Query Results   325 Ashwini Singh 09/12/2014 08:37AM
Re: Intermediate Query Results   184 Rick James 09/13/2014 09:23PM
Re: Intermediate Query Results   194 Øystein Grøvlen 09/15/2014 05:42AM
All records scanning using "LIKe" and "IN" operaters   414 ch srinivas 06/28/2014 01:43PM
Re: All records scanning using "LIKe" and "IN" operaters   198 Peter Brawley 06/28/2014 02:22PM
Re: All records scanning using "LIKe" and "IN" operaters   150 Øystein Grøvlen 08/28/2014 03:47PM
Help me to optimize my sql query   316 GAURAV JAIN 08/21/2014 07:29AM
Re: Help me to optimize my sql query   147 Rick James 08/22/2014 06:50AM
How could this SQL be optimized?   495 feng guo 05/29/2014 11:26PM
Re: How could this SQL be optimized?   246 Øystein Grøvlen 05/30/2014 02:41AM
Re: How could this SQL be optimized?   270 feng guo 05/30/2014 02:46AM
Re: How could this SQL be optimized?   174 Marion Gordon 08/21/2014 11:03PM
Re: How could this SQL be optimized?   145 Øystein Grøvlen 08/22/2014 01:54AM
simple uses of order by datetime keep causing 'using filesort'   404 park albert 08/19/2014 05:44PM
Re: simple uses of order by datetime keep causing 'using filesort'   166 Rick James 08/20/2014 07:34PM
Expland and slow-query don't agree   367 Aram Mirzadeh 08/03/2014 06:24AM
Re: Expland and slow-query don't agree   155 Rick James 08/04/2014 01:23PM
Query not using index sporadically   478 Vinay NP 06/13/2014 07:51AM
Re: Query not using index sporadically   228 Rick James 06/18/2014 02:48PM
[HELP] Subquery Optimization   436 Pinoy Central 05/28/2014 08:56PM
MySQL 5.7: Re-factoring internals of Prepared Statements   417 Edwin Desouza 05/15/2014 12:29PM
BETWEEN a DATE and a hard place   591 Gerald Bayles 04/16/2014 02:07PM
Re: BETWEEN a DATE and a hard place   269 Rick James 04/18/2014 05:19PM
Re: BETWEEN a DATE and a hard place   267 Gerald Bayles 04/21/2014 08:36AM
Re: BETWEEN a DATE and a hard place   271 Rick James 04/24/2014 08:20PM
Re: BETWEEN a DATE and a hard place   261 Gerald Bayles 04/25/2014 06:36AM
Re: BETWEEN a DATE and a hard place   257 Rick James 04/26/2014 05:46AM
Re: BETWEEN a DATE and a hard place   256 Gerald Bayles 04/28/2014 07:27AM
Re: BETWEEN a DATE and a hard place   259 Gerald Bayles 05/01/2014 09:41AM
Re: BETWEEN a DATE and a hard place   274 Rick James 05/02/2014 11:39AM
MySQL Optimizer: Features in MySQL 5.7   454 Edwin Desouza 04/22/2014 10:03AM
Access mysql blob data from stored procedure   614 Kalpesh g 04/15/2014 04:38AM
Re: Access mysql blob data from stored procedure   277 Peter Brawley 04/15/2014 11:14AM
PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   682 Andre Mikulec 03/05/2014 05:38PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   319 Rick James 03/06/2014 11:21PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   326 Rick James 03/06/2014 11:23PM
Explain estimate completely wrong for range when partitioned by day   851 Blake Harps 02/13/2014 01:23PM
Re: Explain estimate completely wrong for range when partitioned by day   343 Øystein Grøvlen 02/14/2014 01:29AM
Re: Explain estimate completely wrong for range when partitioned by day   363 Mattias Jonsson 02/14/2014 09:44AM
Re: Explain estimate completely wrong for range when partitioned by day   339 Blake Harps 02/14/2014 03:07PM
Re: Explain estimate completely wrong for range when partitioned by day   346 Blake Harps 02/14/2014 02:58PM
Re: Explain estimate completely wrong for range when partitioned by day   347 Edwin Desouza 02/15/2014 12:39PM
Re: Explain estimate completely wrong for range when partitioned by day   350 Rick James 02/15/2014 12:42PM
Re: Explain estimate completely wrong for range when partitioned by day   313 Blake Harps 03/04/2014 12:27PM
Re: Explain estimate completely wrong for range when partitioned by day   332 Mattias Jonsson 02/17/2014 04:29PM
Subquery with range uses filesort   1,113 David Marcus 11/16/2013 02:42PM
Re: Subquery with range uses filesort   436 Rick James 11/17/2013 07:42PM
Re: Subquery with range uses filesort   375 David Marcus 11/17/2013 08:01PM
Re: Subquery with range uses filesort   392 Rick James 11/18/2013 04:33PM
Re: Subquery with range uses filesort   469 David Marcus 11/18/2013 07:54PM
Re: Subquery with range uses filesort   426 Rick James 11/19/2013 04:10PM
Re: Subquery with range uses filesort   417 David Marcus 11/19/2013 08:36PM
Re: Subquery with range uses filesort   435 Rick James 11/21/2013 02:55PM
Re: Subquery with range uses filesort   416 David Marcus 12/05/2013 03:46PM
Re: Subquery with range uses filesort   381 Rick James 12/07/2013 02:10PM
Re: Subquery with range uses filesort   351 David Marcus 12/09/2013 06:08PM
Re: Subquery with range uses filesort   396 David Marcus 12/14/2013 09:51PM
Re: Subquery with range uses filesort   357 David Marcus 12/14/2013 10:17PM
Re: Subquery with range uses filesort   399 Rick James 12/15/2013 11:29PM
Re: Subquery with range uses filesort   447 David Marcus 12/17/2013 06:58PM
Re: Subquery with range uses filesort   374 Rick James 12/18/2013 05:49PM
Re: Subquery with range uses filesort   370 David Marcus 12/18/2013 08:28PM
Re: Subquery with range uses filesort   397 Rick James 12/19/2013 10:13PM
Re: Subquery with range uses filesort   356 David Marcus 12/19/2013 10:28PM
Re: Subquery with range uses filesort   369 Rick James 12/20/2013 07:06PM
Re: Subquery with range uses filesort   378 David Marcus 12/21/2013 07:36AM
Re: Subquery with range uses filesort   408 Rick James 12/22/2013 10:01AM
Re: Subquery with range uses filesort   407 David Marcus 12/22/2013 10:45AM
Re: Subquery with range uses filesort   375 David Marcus 12/25/2013 09:30PM
Optimizer executes inperformant subquery first   970 Martin Kirchner 12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first   370 Rick James 12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first   424 Martin Kirchner 12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first   574 Øystein Grøvlen 12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first   339 Martin Kirchner 12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first   384 Øystein Grøvlen 12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first   352 Martin Kirchner 12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first   349 Øystein Grøvlen 12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first   372 Rick James 12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first   392 Martin Kirchner 12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first   403 Rick James 12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first   361 Øystein Grøvlen 12/19/2013 02:49AM
my.cnf   798 Juan Medina 10/27/2013 02:08PM
Re: my.cnf   395 Rick James 10/29/2013 07:12PM
my.cnf optimization please help   1,169 Ivan Kratunkov 10/28/2013 03:39AM
Re: my.cnf optimization please help   479 Rick James 10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7   653 Edwin Desouza 10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query   791 George Maharis 10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query   428 Rick James 10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query   405 George Maharis 10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query   383 Rick James 10/16/2013 08:36PM
MySQL My.cnf Config Help   786 Mathieu Louis 10/03/2013 09:32PM
Very slow dependent subquery   983 patrick canarelli 09/18/2013 03:06AM
Re: Very slow dependent subquery   558 Øystein Grøvlen 09/18/2013 07:06AM
Re: Very slow dependent subquery   473 patrick canarelli 09/18/2013 07:51AM
Re: Very slow dependent subquery   458 Øystein Grøvlen 09/18/2013 02:57PM
Re: Very slow dependent subquery   461 Peter Brawley 09/18/2013 02:13PM
Re: Very slow dependent subquery   463 patrick canarelli 09/18/2013 03:10PM
Re: Very slow dependent subquery   472 Rick James 09/24/2013 10:04PM
Re: Very slow dependent subquery   540 patrick canarelli 09/25/2013 12:53AM
big database +1 million rows/days   959 khaoula el hammoumi 09/11/2013 04:06AM
Re: big database +1 million rows/days   461 khaoula el hammoumi 09/12/2013 01:37AM
Re: big database +1 million rows/days   476 Rick James 09/13/2013 10:59PM
Optimize query join with 25,000 records   894 Andrea Presazzi 08/26/2013 02:27AM
Re: Optimize query join with 25,000 records   438 Rick James 08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter   1,390 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   632 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   541 Rick James 08/31/2013 04:13PM
query index not used   747 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   411 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   1,162 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   530 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   517 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   443 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   477 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   501 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   511 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   527 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   829 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   443 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   1,397 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   688 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   664 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   624 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   571 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   560 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   589 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   982 Rick James 06/04/2013 11:49PM
Query optimization   1,158 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   611 Rick James 05/12/2013 08:42PM
Re: Query optimization   560 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   530 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   517 Rick James 05/16/2013 08:18AM
Re: Query optimization   568 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   541 Rick James 05/17/2013 11:47PM
Re: Query optimization   522 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   537 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   891 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   1,467 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   662 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   3,408 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   920 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   928 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   824 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   837 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   728 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   747 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   932 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   812 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   768 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   783 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   785 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   774 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   714 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   747 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   812 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   932 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   816 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   833 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   795 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   835 David Marcus 02/03/2013 04:15PM
Very slow query, help please   1,230 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   724 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   708 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   766 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   1,073 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   4,208 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   1,617 Rick James 01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   1,201 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   1,991 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   755 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   1,020 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   744 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   801 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   697 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   758 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   705 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,451 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   724 Rick James 12/21/2012 12:49PM
mysql subquery query optimization question   1,504 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   698 Rick James 01/13/2013 11:30AM
Create a New Datatype   1,366 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   677 Rick James 01/07/2013 11:01PM
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