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Subject Views Written By Posted
Sticky:  MySQL Parser (1 Posts)   394 Edwin Desouza 04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)   1,770 Edwin Desouza 12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)   2,476 Edwin Desouza 07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)   7,851 Edwin DeSouza 04/28/2007 06:20PM
MySQL Optimizer Cost Model   59 Edwin Desouza 10/24/2014 10:37AM
Need help to create index on join statments   105 Neil Sorathia 10/08/2014 06:24PM
Re: Need help to create index on join statments   28 Neil Sorathia 10/09/2014 09:46AM
Re: Need help to create index on join statments   27 Rick James 10/11/2014 01:37PM
Better Performance for JOINs Not Using Indexes   93 Edwin Desouza 10/03/2014 01:48PM
A Multi-Table Trick to Speed up Single-Table UPDATE/DELETE Statements   76 Edwin Desouza 10/03/2014 01:47PM
MySQL 5.7: Optimizer Hints + Query Rewrite   78 Edwin Desouza 10/01/2014 08:53AM
Intermediate Query Results   128 Ashwini Singh 09/12/2014 08:37AM
Re: Intermediate Query Results   51 Rick James 09/13/2014 09:23PM
Re: Intermediate Query Results   75 Øystein Grøvlen 09/15/2014 05:42AM
All records scanning using "LIKe" and "IN" operaters   276 ch srinivas 06/28/2014 01:43PM
Re: All records scanning using "LIKe" and "IN" operaters   109 Peter Brawley 06/28/2014 02:22PM
Re: All records scanning using "LIKe" and "IN" operaters   60 Øystein Grøvlen 08/28/2014 03:47PM
Help me to optimize my sql query   164 GAURAV JAIN 08/21/2014 07:29AM
Re: Help me to optimize my sql query   72 Rick James 08/22/2014 06:50AM
How could this SQL be optimized?   325 feng guo 05/29/2014 11:26PM
Re: How could this SQL be optimized?   143 Øystein Grøvlen 05/30/2014 02:41AM
Re: How could this SQL be optimized?   158 feng guo 05/30/2014 02:46AM
Re: How could this SQL be optimized?   63 Marion Gordon 08/21/2014 11:03PM
Re: How could this SQL be optimized?   59 Øystein Grøvlen 08/22/2014 01:54AM
simple uses of order by datetime keep causing 'using filesort'   182 park albert 08/19/2014 05:44PM
Re: simple uses of order by datetime keep causing 'using filesort'   74 Rick James 08/20/2014 07:34PM
Expland and slow-query don't agree   204 Aram Mirzadeh 08/03/2014 06:24AM
Re: Expland and slow-query don't agree   75 Rick James 08/04/2014 01:23PM
Query not using index sporadically   296 Vinay NP 06/13/2014 07:51AM
Re: Query not using index sporadically   109 Rick James 06/18/2014 02:48PM
[HELP] Subquery Optimization   277 Pinoy Central 05/28/2014 08:56PM
MySQL 5.7: Re-factoring internals of Prepared Statements   244 Edwin Desouza 05/15/2014 12:29PM
BETWEEN a DATE and a hard place   373 Gerald Bayles 04/16/2014 02:07PM
Re: BETWEEN a DATE and a hard place   169 Rick James 04/18/2014 05:19PM
Re: BETWEEN a DATE and a hard place   161 Gerald Bayles 04/21/2014 08:36AM
Re: BETWEEN a DATE and a hard place   161 Rick James 04/24/2014 08:20PM
Re: BETWEEN a DATE and a hard place   154 Gerald Bayles 04/25/2014 06:36AM
Re: BETWEEN a DATE and a hard place   144 Rick James 04/26/2014 05:46AM
Re: BETWEEN a DATE and a hard place   153 Gerald Bayles 04/28/2014 07:27AM
Re: BETWEEN a DATE and a hard place   144 Gerald Bayles 05/01/2014 09:41AM
Re: BETWEEN a DATE and a hard place   158 Rick James 05/02/2014 11:39AM
MySQL Optimizer: Features in MySQL 5.7   311 Edwin Desouza 04/22/2014 10:03AM
Access mysql blob data from stored procedure   393 Kalpesh g 04/15/2014 04:38AM
Re: Access mysql blob data from stored procedure   170 Peter Brawley 04/15/2014 11:14AM
PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   510 Andre Mikulec 03/05/2014 05:38PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   224 Rick James 03/06/2014 11:21PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   230 Rick James 03/06/2014 11:23PM
Explain estimate completely wrong for range when partitioned by day   598 Blake Harps 02/13/2014 01:23PM
Re: Explain estimate completely wrong for range when partitioned by day   247 Øystein Grøvlen 02/14/2014 01:29AM
Re: Explain estimate completely wrong for range when partitioned by day   252 Mattias Jonsson 02/14/2014 09:44AM
Re: Explain estimate completely wrong for range when partitioned by day   242 Blake Harps 02/14/2014 03:07PM
Re: Explain estimate completely wrong for range when partitioned by day   246 Blake Harps 02/14/2014 02:58PM
Re: Explain estimate completely wrong for range when partitioned by day   243 Edwin Desouza 02/15/2014 12:39PM
Re: Explain estimate completely wrong for range when partitioned by day   241 Rick James 02/15/2014 12:42PM
Re: Explain estimate completely wrong for range when partitioned by day   202 Blake Harps 03/04/2014 12:27PM
Re: Explain estimate completely wrong for range when partitioned by day   243 Mattias Jonsson 02/17/2014 04:29PM
Subquery with range uses filesort   875 David Marcus 11/16/2013 02:42PM
Re: Subquery with range uses filesort   310 Rick James 11/17/2013 07:42PM
Re: Subquery with range uses filesort   281 David Marcus 11/17/2013 08:01PM
Re: Subquery with range uses filesort   298 Rick James 11/18/2013 04:33PM
Re: Subquery with range uses filesort   326 David Marcus 11/18/2013 07:54PM
Re: Subquery with range uses filesort   297 Rick James 11/19/2013 04:10PM
Re: Subquery with range uses filesort   301 David Marcus 11/19/2013 08:36PM
Re: Subquery with range uses filesort   316 Rick James 11/21/2013 02:55PM
Re: Subquery with range uses filesort   296 David Marcus 12/05/2013 03:46PM
Re: Subquery with range uses filesort   263 Rick James 12/07/2013 02:10PM
Re: Subquery with range uses filesort   262 David Marcus 12/09/2013 06:08PM
Re: Subquery with range uses filesort   277 David Marcus 12/14/2013 09:51PM
Re: Subquery with range uses filesort   261 David Marcus 12/14/2013 10:17PM
Re: Subquery with range uses filesort   281 Rick James 12/15/2013 11:29PM
Re: Subquery with range uses filesort   312 David Marcus 12/17/2013 06:58PM
Re: Subquery with range uses filesort   261 Rick James 12/18/2013 05:49PM
Re: Subquery with range uses filesort   247 David Marcus 12/18/2013 08:28PM
Re: Subquery with range uses filesort   280 Rick James 12/19/2013 10:13PM
Re: Subquery with range uses filesort   267 David Marcus 12/19/2013 10:28PM
Re: Subquery with range uses filesort   253 Rick James 12/20/2013 07:06PM
Re: Subquery with range uses filesort   272 David Marcus 12/21/2013 07:36AM
Re: Subquery with range uses filesort   288 Rick James 12/22/2013 10:01AM
Re: Subquery with range uses filesort   298 David Marcus 12/22/2013 10:45AM
Re: Subquery with range uses filesort   268 David Marcus 12/25/2013 09:30PM
Optimizer executes inperformant subquery first   783 Martin Kirchner 12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first   269 Rick James 12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first   314 Martin Kirchner 12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first   400 Øystein Grøvlen 12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first   263 Martin Kirchner 12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first   262 Øystein Grøvlen 12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first   270 Martin Kirchner 12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first   264 Øystein Grøvlen 12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first   261 Rick James 12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first   267 Martin Kirchner 12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first   286 Rick James 12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first   251 Øystein Grøvlen 12/19/2013 02:49AM
my.cnf   624 Juan Medina 10/27/2013 02:08PM
Re: my.cnf   287 Rick James 10/29/2013 07:12PM
my.cnf optimization please help   938 Ivan Kratunkov 10/28/2013 03:39AM
Re: my.cnf optimization please help   362 Rick James 10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7   510 Edwin Desouza 10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query   630 George Maharis 10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query   332 Rick James 10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query   305 George Maharis 10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query   284 Rick James 10/16/2013 08:36PM
MySQL My.cnf Config Help   621 Mathieu Louis 10/03/2013 09:32PM
Very slow dependent subquery   786 patrick canarelli 09/18/2013 03:06AM
Re: Very slow dependent subquery   421 Øystein Grøvlen 09/18/2013 07:06AM
Re: Very slow dependent subquery   371 patrick canarelli 09/18/2013 07:51AM
Re: Very slow dependent subquery   333 Øystein Grøvlen 09/18/2013 02:57PM
Re: Very slow dependent subquery   366 Peter Brawley 09/18/2013 02:13PM
Re: Very slow dependent subquery   357 patrick canarelli 09/18/2013 03:10PM
Re: Very slow dependent subquery   355 Rick James 09/24/2013 10:04PM
Re: Very slow dependent subquery   410 patrick canarelli 09/25/2013 12:53AM
big database +1 million rows/days   781 khaoula el hammoumi 09/11/2013 04:06AM
Re: big database +1 million rows/days   358 khaoula el hammoumi 09/12/2013 01:37AM
Re: big database +1 million rows/days   377 Rick James 09/13/2013 10:59PM
Optimize query join with 25,000 records   752 Andrea Presazzi 08/26/2013 02:27AM
Re: Optimize query join with 25,000 records   358 Rick James 08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter   1,127 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   514 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   410 Rick James 08/31/2013 04:13PM
query index not used   615 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   336 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   964 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   428 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   411 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   356 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   378 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   399 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   395 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   407 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   691 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   370 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   1,188 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   554 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   564 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   497 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   454 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   445 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   474 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   777 Rick James 06/04/2013 11:49PM
Query optimization   995 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   474 Rick James 05/12/2013 08:42PM
Re: Query optimization   455 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   442 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   410 Rick James 05/16/2013 08:18AM
Re: Query optimization   463 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   448 Rick James 05/17/2013 11:47PM
Re: Query optimization   426 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   443 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   760 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   1,294 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   554 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   3,039 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   816 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   798 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   698 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   727 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   622 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   661 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   772 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   689 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   638 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   666 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   641 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   652 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   618 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   644 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   691 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   810 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   684 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   717 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   668 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   685 David Marcus 02/03/2013 04:15PM
Very slow query, help please   1,060 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   627 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   624 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   662 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   950 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   3,902 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   1,468 Rick James 01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   1,052 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   1,774 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   660 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   885 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   643 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   710 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   608 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   630 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   600 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,345 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   656 Rick James 12/21/2012 12:49PM
mysql subquery query optimization question   1,338 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   623 Rick James 01/13/2013 11:30AM
Create a New Datatype   1,216 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   584 Rick James 01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys   1,226 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   2,022 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   871 Rick James 12/08/2012 01:33PM
Complex query - need advise   1,404 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   694 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   678 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   960 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,326 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   706 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   644 Chris Slominski 10/25/2012 06:15AM
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