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Subject Views Written By Posted
Sticky:  MySQL Parser (1 Posts)   634 Edwin Desouza 04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)   1,964 Edwin Desouza 12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)   2,690 Edwin Desouza 07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)   8,047 Edwin DeSouza 04/28/2007 06:20PM
Query optimisation advice   199 Paul Feely 01/08/2015 11:02PM
Re: Query optimisation advice   63 Rick James 01/10/2015 01:22AM
Re: Query optimisation advice   62 Paul Feely 01/11/2015 05:50PM
Re: Query optimisation advice   60 Rick James 01/12/2015 10:35PM
actual Size calculation of mysql table (engine innodb)   211 Afaque Ahmad Siddiqui 12/10/2014 09:38AM
Re: actual Size calculation of mysql table (engine innodb)   79 Rick James 12/12/2014 08:32PM
Re: actual Size calculation of mysql table (engine innodb)   77 Rick James 12/12/2014 08:36PM
MySQL cash optimization   308 Sasha Katsman 11/27/2014 06:33AM
Re: MySQL cash optimization   119 Peter Brawley 11/27/2014 04:34PM
Re: MySQL cash optimization   91 Sasha Katsman 12/09/2014 04:33AM
Re: MySQL cache optimization   81 Peter Brawley 12/09/2014 12:28PM
how to tune for optimizer_search_depth?   189 jongse park 12/03/2014 12:13AM
Re: how to tune for optimizer_search_depth?   108 Rick James 12/03/2014 11:33PM
Re: how to tune for optimizer_search_depth?   128 Øystein Grøvlen 12/08/2014 05:32AM
MySQL Optimizer Cost Model   365 Edwin Desouza 10/24/2014 10:37AM
Need help to create index on join statments   376 Neil Sorathia 10/08/2014 06:24PM
Re: Need help to create index on join statments   167 Neil Sorathia 10/09/2014 09:46AM
Re: Need help to create index on join statments   201 Rick James 10/11/2014 01:37PM
Better Performance for JOINs Not Using Indexes   362 Edwin Desouza 10/03/2014 01:48PM
A Multi-Table Trick to Speed up Single-Table UPDATE/DELETE Statements   366 Edwin Desouza 10/03/2014 01:47PM
MySQL 5.7: Optimizer Hints + Query Rewrite   299 Edwin Desouza 10/01/2014 08:53AM
Intermediate Query Results   390 Ashwini Singh 09/12/2014 08:37AM
Re: Intermediate Query Results   224 Rick James 09/13/2014 09:23PM
Re: Intermediate Query Results   240 Øystein Grøvlen 09/15/2014 05:42AM
All records scanning using "LIKe" and "IN" operaters   470 ch srinivas 06/28/2014 01:43PM
Re: All records scanning using "LIKe" and "IN" operaters   248 Peter Brawley 06/28/2014 02:22PM
Re: All records scanning using "LIKe" and "IN" operaters   196 Øystein Grøvlen 08/28/2014 03:47PM
Help me to optimize my sql query   373 GAURAV JAIN 08/21/2014 07:29AM
Re: Help me to optimize my sql query   184 Rick James 08/22/2014 06:50AM
How could this SQL be optimized?   563 feng guo 05/29/2014 11:26PM
Re: How could this SQL be optimized?   282 Øystein Grøvlen 05/30/2014 02:41AM
Re: How could this SQL be optimized?   308 feng guo 05/30/2014 02:46AM
Re: How could this SQL be optimized?   219 Marion Gordon 08/21/2014 11:03PM
Re: How could this SQL be optimized?   180 Øystein Grøvlen 08/22/2014 01:54AM
simple uses of order by datetime keep causing 'using filesort'   498 park albert 08/19/2014 05:44PM
Re: simple uses of order by datetime keep causing 'using filesort'   205 Rick James 08/20/2014 07:34PM
Expland and slow-query don't agree   419 Aram Mirzadeh 08/03/2014 06:24AM
Re: Expland and slow-query don't agree   192 Rick James 08/04/2014 01:23PM
Query not using index sporadically   553 Vinay NP 06/13/2014 07:51AM
Re: Query not using index sporadically   269 Rick James 06/18/2014 02:48PM
[HELP] Subquery Optimization   500 Pinoy Central 05/28/2014 08:56PM
MySQL 5.7: Re-factoring internals of Prepared Statements   473 Edwin Desouza 05/15/2014 12:29PM
BETWEEN a DATE and a hard place   669 Gerald Bayles 04/16/2014 02:07PM
Re: BETWEEN a DATE and a hard place   304 Rick James 04/18/2014 05:19PM
Re: BETWEEN a DATE and a hard place   307 Gerald Bayles 04/21/2014 08:36AM
Re: BETWEEN a DATE and a hard place   317 Rick James 04/24/2014 08:20PM
Re: BETWEEN a DATE and a hard place   298 Gerald Bayles 04/25/2014 06:36AM
Re: BETWEEN a DATE and a hard place   287 Rick James 04/26/2014 05:46AM
Re: BETWEEN a DATE and a hard place   291 Gerald Bayles 04/28/2014 07:27AM
Re: BETWEEN a DATE and a hard place   295 Gerald Bayles 05/01/2014 09:41AM
Re: BETWEEN a DATE and a hard place   323 Rick James 05/02/2014 11:39AM
MySQL Optimizer: Features in MySQL 5.7   511 Edwin Desouza 04/22/2014 10:03AM
Access mysql blob data from stored procedure   697 Kalpesh g 04/15/2014 04:38AM
Re: Access mysql blob data from stored procedure   327 Peter Brawley 04/15/2014 11:14AM
PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   742 Andre Mikulec 03/05/2014 05:38PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   368 Rick James 03/06/2014 11:21PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   369 Rick James 03/06/2014 11:23PM
Explain estimate completely wrong for range when partitioned by day   925 Blake Harps 02/13/2014 01:23PM
Re: Explain estimate completely wrong for range when partitioned by day   394 Øystein Grøvlen 02/14/2014 01:29AM
Re: Explain estimate completely wrong for range when partitioned by day   407 Mattias Jonsson 02/14/2014 09:44AM
Re: Explain estimate completely wrong for range when partitioned by day   382 Blake Harps 02/14/2014 03:07PM
Re: Explain estimate completely wrong for range when partitioned by day   391 Blake Harps 02/14/2014 02:58PM
Re: Explain estimate completely wrong for range when partitioned by day   392 Edwin Desouza 02/15/2014 12:39PM
Re: Explain estimate completely wrong for range when partitioned by day   394 Rick James 02/15/2014 12:42PM
Re: Explain estimate completely wrong for range when partitioned by day   365 Blake Harps 03/04/2014 12:27PM
Re: Explain estimate completely wrong for range when partitioned by day   386 Mattias Jonsson 02/17/2014 04:29PM
Subquery with range uses filesort   1,220 David Marcus 11/16/2013 02:42PM
Re: Subquery with range uses filesort   492 Rick James 11/17/2013 07:42PM
Re: Subquery with range uses filesort   426 David Marcus 11/17/2013 08:01PM
Re: Subquery with range uses filesort   442 Rick James 11/18/2013 04:33PM
Re: Subquery with range uses filesort   528 David Marcus 11/18/2013 07:54PM
Re: Subquery with range uses filesort   481 Rick James 11/19/2013 04:10PM
Re: Subquery with range uses filesort   471 David Marcus 11/19/2013 08:36PM
Re: Subquery with range uses filesort   492 Rick James 11/21/2013 02:55PM
Re: Subquery with range uses filesort   473 David Marcus 12/05/2013 03:46PM
Re: Subquery with range uses filesort   439 Rick James 12/07/2013 02:10PM
Re: Subquery with range uses filesort   408 David Marcus 12/09/2013 06:08PM
Re: Subquery with range uses filesort   452 David Marcus 12/14/2013 09:51PM
Re: Subquery with range uses filesort   414 David Marcus 12/14/2013 10:17PM
Re: Subquery with range uses filesort   457 Rick James 12/15/2013 11:29PM
Re: Subquery with range uses filesort   513 David Marcus 12/17/2013 06:58PM
Re: Subquery with range uses filesort   429 Rick James 12/18/2013 05:49PM
Re: Subquery with range uses filesort   424 David Marcus 12/18/2013 08:28PM
Re: Subquery with range uses filesort   449 Rick James 12/19/2013 10:13PM
Re: Subquery with range uses filesort   415 David Marcus 12/19/2013 10:28PM
Re: Subquery with range uses filesort   421 Rick James 12/20/2013 07:06PM
Re: Subquery with range uses filesort   438 David Marcus 12/21/2013 07:36AM
Re: Subquery with range uses filesort   464 Rick James 12/22/2013 10:01AM
Re: Subquery with range uses filesort   463 David Marcus 12/22/2013 10:45AM
Re: Subquery with range uses filesort   432 David Marcus 12/25/2013 09:30PM
Optimizer executes inperformant subquery first   1,048 Martin Kirchner 12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first   421 Rick James 12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first   473 Martin Kirchner 12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first   629 Øystein Grøvlen 12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first   382 Martin Kirchner 12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first   433 Øystein Grøvlen 12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first   396 Martin Kirchner 12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first   397 Øystein Grøvlen 12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first   429 Rick James 12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first   445 Martin Kirchner 12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first   462 Rick James 12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first   418 Øystein Grøvlen 12/19/2013 02:49AM
my.cnf   856 Juan Medina 10/27/2013 02:08PM
Re: my.cnf   433 Rick James 10/29/2013 07:12PM
my.cnf optimization please help   1,262 Ivan Kratunkov 10/28/2013 03:39AM
Re: my.cnf optimization please help   520 Rick James 10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7   706 Edwin Desouza 10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query   841 George Maharis 10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query   476 Rick James 10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query   452 George Maharis 10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query   427 Rick James 10/16/2013 08:36PM
MySQL My.cnf Config Help   863 Mathieu Louis 10/03/2013 09:32PM
Very slow dependent subquery   1,060 patrick canarelli 09/18/2013 03:06AM
Re: Very slow dependent subquery   610 Øystein Grøvlen 09/18/2013 07:06AM
Re: Very slow dependent subquery   527 patrick canarelli 09/18/2013 07:51AM
Re: Very slow dependent subquery   516 Øystein Grøvlen 09/18/2013 02:57PM
Re: Very slow dependent subquery   504 Peter Brawley 09/18/2013 02:13PM
Re: Very slow dependent subquery   499 patrick canarelli 09/18/2013 03:10PM
Re: Very slow dependent subquery   511 Rick James 09/24/2013 10:04PM
Re: Very slow dependent subquery   593 patrick canarelli 09/25/2013 12:53AM
big database +1 million rows/days   1,043 khaoula el hammoumi 09/11/2013 04:06AM
Re: big database +1 million rows/days   515 khaoula el hammoumi 09/12/2013 01:37AM
Re: big database +1 million rows/days   518 Rick James 09/13/2013 10:59PM
Optimize query join with 25,000 records   960 Andrea Presazzi 08/26/2013 02:27AM
Re: Optimize query join with 25,000 records   471 Rick James 08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter   1,497 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   683 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   599 Rick James 08/31/2013 04:13PM
query index not used   798 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   453 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   1,226 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   582 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   565 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   485 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   530 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   552 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   556 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   573 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   892 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   481 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   1,518 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   763 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   711 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   678 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   633 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   626 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   638 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,076 Rick James 06/04/2013 11:49PM
Query optimization   1,252 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   651 Rick James 05/12/2013 08:42PM
Re: Query optimization   606 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   575 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   576 Rick James 05/16/2013 08:18AM
Re: Query optimization   618 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   598 Rick James 05/17/2013 11:47PM
Re: Query optimization   567 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   590 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   946 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   1,543 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   701 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   3,552 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   980 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   995 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   887 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   886 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   785 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   788 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   1,002 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   903 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   824 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   842 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   852 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   837 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   764 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   809 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   878 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   991 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   876 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   874 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   873 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   893 David Marcus 02/03/2013 04:15PM
Very slow query, help please   1,306 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   764 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   752 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   817 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   1,125 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   4,341 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   1,675 Rick James 01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   1,260 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   2,071 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   799 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   1,068 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   789 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   843 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   738 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   807 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   754 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,504 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   757 Rick James 12/21/2012 12:49PM
mysql subquery query optimization question   1,576 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   738 Rick James 01/13/2013 11:30AM
Create a New Datatype   1,419 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   709 Rick James 01/07/2013 11:01PM
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