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Subject Views Written By Posted
Sticky:  MySQL Parser (1 Posts)   710 Edwin Desouza 04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)   2,036 Edwin Desouza 12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)   2,763 Edwin Desouza 07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)   8,115 Edwin DeSouza 04/28/2007 06:20PM
foreign key creation in a huge database   130 Raffael Vendrametto 03/05/2015 04:05PM
Please do NOT duplicate posts   55 Peter Brawley 03/05/2015 05:42PM
Query Taking 2.5hrs on 5.6.20 version   145 ch srinivas 03/04/2015 01:30AM
Re: Query Taking 2.5hrs on 5.6.20 version   60 Peter Brawley 03/04/2015 12:15PM
Re: Query Taking 2.5hrs on 5.6.20 version   59 Rick James 03/04/2015 08:18PM
Query optimisation advice   309 Paul Feely 01/08/2015 11:02PM
Re: Query optimisation advice   114 Rick James 01/10/2015 01:22AM
Re: Query optimisation advice   113 Paul Feely 01/11/2015 05:50PM
Re: Query optimisation advice   111 Rick James 01/12/2015 10:35PM
actual Size calculation of mysql table (engine innodb)   340 Afaque Ahmad Siddiqui 12/10/2014 09:38AM
Re: actual Size calculation of mysql table (engine innodb)   133 Rick James 12/12/2014 08:32PM
Re: actual Size calculation of mysql table (engine innodb)   125 Rick James 12/12/2014 08:36PM
MySQL cash optimization   441 Sasha Katsman 11/27/2014 06:33AM
Re: MySQL cash optimization   170 Peter Brawley 11/27/2014 04:34PM
Re: MySQL cash optimization   137 Sasha Katsman 12/09/2014 04:33AM
Re: MySQL cache optimization   121 Peter Brawley 12/09/2014 12:28PM
how to tune for optimizer_search_depth?   291 jongse park 12/03/2014 12:13AM
Re: how to tune for optimizer_search_depth?   161 Rick James 12/03/2014 11:33PM
Re: how to tune for optimizer_search_depth?   182 Øystein Grøvlen 12/08/2014 05:32AM
MySQL Optimizer Cost Model   450 Edwin Desouza 10/24/2014 10:37AM
Need help to create index on join statments   466 Neil Sorathia 10/08/2014 06:24PM
Re: Need help to create index on join statments   216 Neil Sorathia 10/09/2014 09:46AM
Re: Need help to create index on join statments   251 Rick James 10/11/2014 01:37PM
Better Performance for JOINs Not Using Indexes   444 Edwin Desouza 10/03/2014 01:48PM
A Multi-Table Trick to Speed up Single-Table UPDATE/DELETE Statements   460 Edwin Desouza 10/03/2014 01:47PM
MySQL 5.7: Optimizer Hints + Query Rewrite   394 Edwin Desouza 10/01/2014 08:53AM
Intermediate Query Results   477 Ashwini Singh 09/12/2014 08:37AM
Re: Intermediate Query Results   277 Rick James 09/13/2014 09:23PM
Re: Intermediate Query Results   304 Øystein Grøvlen 09/15/2014 05:42AM
All records scanning using "LIKe" and "IN" operaters   549 ch srinivas 06/28/2014 01:43PM
Re: All records scanning using "LIKe" and "IN" operaters   296 Peter Brawley 06/28/2014 02:22PM
Re: All records scanning using "LIKe" and "IN" operaters   248 Øystein Grøvlen 08/28/2014 03:47PM
Help me to optimize my sql query   458 GAURAV JAIN 08/21/2014 07:29AM
Re: Help me to optimize my sql query   230 Rick James 08/22/2014 06:50AM
How could this SQL be optimized?   645 feng guo 05/29/2014 11:26PM
Re: How could this SQL be optimized?   326 Øystein Grøvlen 05/30/2014 02:41AM
Re: How could this SQL be optimized?   359 feng guo 05/30/2014 02:46AM
Re: How could this SQL be optimized?   267 Marion Gordon 08/21/2014 11:03PM
Re: How could this SQL be optimized?   230 Øystein Grøvlen 08/22/2014 01:54AM
simple uses of order by datetime keep causing 'using filesort'   591 park albert 08/19/2014 05:44PM
Re: simple uses of order by datetime keep causing 'using filesort'   257 Rick James 08/20/2014 07:34PM
Expland and slow-query don't agree   493 Aram Mirzadeh 08/03/2014 06:24AM
Re: Expland and slow-query don't agree   238 Rick James 08/04/2014 01:23PM
Query not using index sporadically   649 Vinay NP 06/13/2014 07:51AM
Re: Query not using index sporadically   314 Rick James 06/18/2014 02:48PM
[HELP] Subquery Optimization   582 Pinoy Central 05/28/2014 08:56PM
MySQL 5.7: Re-factoring internals of Prepared Statements   544 Edwin Desouza 05/15/2014 12:29PM
BETWEEN a DATE and a hard place   776 Gerald Bayles 04/16/2014 02:07PM
Re: BETWEEN a DATE and a hard place   348 Rick James 04/18/2014 05:19PM
Re: BETWEEN a DATE and a hard place   358 Gerald Bayles 04/21/2014 08:36AM
Re: BETWEEN a DATE and a hard place   376 Rick James 04/24/2014 08:20PM
Re: BETWEEN a DATE and a hard place   345 Gerald Bayles 04/25/2014 06:36AM
Re: BETWEEN a DATE and a hard place   339 Rick James 04/26/2014 05:46AM
Re: BETWEEN a DATE and a hard place   335 Gerald Bayles 04/28/2014 07:27AM
Re: BETWEEN a DATE and a hard place   347 Gerald Bayles 05/01/2014 09:41AM
Re: BETWEEN a DATE and a hard place   389 Rick James 05/02/2014 11:39AM
MySQL Optimizer: Features in MySQL 5.7   584 Edwin Desouza 04/22/2014 10:03AM
Access mysql blob data from stored procedure   819 Kalpesh g 04/15/2014 04:38AM
Re: Access mysql blob data from stored procedure   378 Peter Brawley 04/15/2014 11:14AM
PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   840 Andre Mikulec 03/05/2014 05:38PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   428 Rick James 03/06/2014 11:21PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   422 Rick James 03/06/2014 11:23PM
Explain estimate completely wrong for range when partitioned by day   1,034 Blake Harps 02/13/2014 01:23PM
Re: Explain estimate completely wrong for range when partitioned by day   441 Øystein Grøvlen 02/14/2014 01:29AM
Re: Explain estimate completely wrong for range when partitioned by day   460 Mattias Jonsson 02/14/2014 09:44AM
Re: Explain estimate completely wrong for range when partitioned by day   434 Blake Harps 02/14/2014 03:07PM
Re: Explain estimate completely wrong for range when partitioned by day   441 Blake Harps 02/14/2014 02:58PM
Re: Explain estimate completely wrong for range when partitioned by day   451 Edwin Desouza 02/15/2014 12:39PM
Re: Explain estimate completely wrong for range when partitioned by day   447 Rick James 02/15/2014 12:42PM
Re: Explain estimate completely wrong for range when partitioned by day   421 Blake Harps 03/04/2014 12:27PM
Re: Explain estimate completely wrong for range when partitioned by day   447 Mattias Jonsson 02/17/2014 04:29PM
Subquery with range uses filesort   1,338 David Marcus 11/16/2013 02:42PM
Re: Subquery with range uses filesort   549 Rick James 11/17/2013 07:42PM
Re: Subquery with range uses filesort   487 David Marcus 11/17/2013 08:01PM
Re: Subquery with range uses filesort   495 Rick James 11/18/2013 04:33PM
Re: Subquery with range uses filesort   616 David Marcus 11/18/2013 07:54PM
Re: Subquery with range uses filesort   544 Rick James 11/19/2013 04:10PM
Re: Subquery with range uses filesort   545 David Marcus 11/19/2013 08:36PM
Re: Subquery with range uses filesort   550 Rick James 11/21/2013 02:55PM
Re: Subquery with range uses filesort   536 David Marcus 12/05/2013 03:46PM
Re: Subquery with range uses filesort   502 Rick James 12/07/2013 02:10PM
Re: Subquery with range uses filesort   470 David Marcus 12/09/2013 06:08PM
Re: Subquery with range uses filesort   510 David Marcus 12/14/2013 09:51PM
Re: Subquery with range uses filesort   477 David Marcus 12/14/2013 10:17PM
Re: Subquery with range uses filesort   521 Rick James 12/15/2013 11:29PM
Re: Subquery with range uses filesort   578 David Marcus 12/17/2013 06:58PM
Re: Subquery with range uses filesort   492 Rick James 12/18/2013 05:49PM
Re: Subquery with range uses filesort   481 David Marcus 12/18/2013 08:28PM
Re: Subquery with range uses filesort   519 Rick James 12/19/2013 10:13PM
Re: Subquery with range uses filesort   480 David Marcus 12/19/2013 10:28PM
Re: Subquery with range uses filesort   486 Rick James 12/20/2013 07:06PM
Re: Subquery with range uses filesort   509 David Marcus 12/21/2013 07:36AM
Re: Subquery with range uses filesort   535 Rick James 12/22/2013 10:01AM
Re: Subquery with range uses filesort   521 David Marcus 12/22/2013 10:45AM
Re: Subquery with range uses filesort   491 David Marcus 12/25/2013 09:30PM
Optimizer executes inperformant subquery first   1,168 Martin Kirchner 12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first   474 Rick James 12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first   546 Martin Kirchner 12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first   686 Øystein Grøvlen 12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first   447 Martin Kirchner 12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first   493 Øystein Grøvlen 12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first   458 Martin Kirchner 12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first   452 Øystein Grøvlen 12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first   495 Rick James 12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first   517 Martin Kirchner 12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first   535 Rick James 12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first   488 Øystein Grøvlen 12/19/2013 02:49AM
my.cnf   948 Juan Medina 10/27/2013 02:08PM
Re: my.cnf   474 Rick James 10/29/2013 07:12PM
my.cnf optimization please help   1,386 Ivan Kratunkov 10/28/2013 03:39AM
Re: my.cnf optimization please help   566 Rick James 10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7   774 Edwin Desouza 10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query   919 George Maharis 10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query   525 Rick James 10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query   500 George Maharis 10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query   477 Rick James 10/16/2013 08:36PM
MySQL My.cnf Config Help   951 Mathieu Louis 10/03/2013 09:32PM
Very slow dependent subquery   1,156 patrick canarelli 09/18/2013 03:06AM
Re: Very slow dependent subquery   673 Øystein Grøvlen 09/18/2013 07:06AM
Re: Very slow dependent subquery   594 patrick canarelli 09/18/2013 07:51AM
Re: Very slow dependent subquery   576 Øystein Grøvlen 09/18/2013 02:57PM
Re: Very slow dependent subquery   552 Peter Brawley 09/18/2013 02:13PM
Re: Very slow dependent subquery   550 patrick canarelli 09/18/2013 03:10PM
Re: Very slow dependent subquery   561 Rick James 09/24/2013 10:04PM
Re: Very slow dependent subquery   651 patrick canarelli 09/25/2013 12:53AM
big database +1 million rows/days   1,155 khaoula el hammoumi 09/11/2013 04:06AM
Re: big database +1 million rows/days   570 khaoula el hammoumi 09/12/2013 01:37AM
Re: big database +1 million rows/days   568 Rick James 09/13/2013 10:59PM
Optimize query join with 25,000 records   1,046 Andrea Presazzi 08/26/2013 02:27AM
Re: Optimize query join with 25,000 records   514 Rick James 08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter   1,628 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   743 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   655 Rick James 08/31/2013 04:13PM
query index not used   878 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   504 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   1,329 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   641 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   616 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   536 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   595 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   602 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   607 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   628 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   973 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   524 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   1,656 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   833 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   758 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   735 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   689 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   691 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   693 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,166 Rick James 06/04/2013 11:49PM
Query optimization   1,354 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   720 Rick James 05/12/2013 08:42PM
Re: Query optimization   668 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   632 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   634 Rick James 05/16/2013 08:18AM
Re: Query optimization   678 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   673 Rick James 05/17/2013 11:47PM
Re: Query optimization   620 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   645 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   1,016 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   1,656 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   750 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   3,777 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   1,047 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   1,056 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   944 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   937 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   850 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   847 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   1,073 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   968 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   881 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   898 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   907 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   903 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   819 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   874 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   933 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   1,057 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   933 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   922 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   951 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   964 David Marcus 02/03/2013 04:15PM
Very slow query, help please   1,386 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   812 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   799 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   866 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   1,197 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   4,551 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   1,750 Rick James 01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   1,334 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   2,178 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   848 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   1,134 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   840 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   900 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   780 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   854 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   804 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,575 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   801 Rick James 12/21/2012 12:49PM
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