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Subject Views Written By Posted
Sticky:  MySQL Parser (1 Posts)   237 Edwin Desouza 04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)   1,601 Edwin Desouza 12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)   2,336 Edwin Desouza 07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)   7,690 Edwin DeSouza 04/28/2007 06:20PM
All records scanning using "LIKe" and "IN" operaters   86 ch srinivas 06/28/2014 01:43PM
Re: All records scanning using "LIKe" and "IN" operaters   32 Peter Brawley 06/28/2014 02:22PM
Query not using index sporadically   139 Vinay NP 06/13/2014 07:51AM
Re: Query not using index sporadically   40 Rick James 06/18/2014 02:48PM
How could this SQL be optimized?   157 feng guo 05/29/2014 11:26PM
Re: How could this SQL be optimized?   60 Øystein Grøvlen 05/30/2014 02:41AM
Re: How could this SQL be optimized?   61 feng guo 05/30/2014 02:46AM
[HELP] Subquery Optimization   121 Pinoy Central 05/28/2014 08:56PM
MySQL 5.7: Re-factoring internals of Prepared Statements   117 Edwin Desouza 05/15/2014 12:29PM
BETWEEN a DATE and a hard place   218 Gerald Bayles 04/16/2014 02:07PM
Re: BETWEEN a DATE and a hard place   91 Rick James 04/18/2014 05:19PM
Re: BETWEEN a DATE and a hard place   86 Gerald Bayles 04/21/2014 08:36AM
Re: BETWEEN a DATE and a hard place   70 Rick James 04/24/2014 08:20PM
Re: BETWEEN a DATE and a hard place   71 Gerald Bayles 04/25/2014 06:36AM
Re: BETWEEN a DATE and a hard place   69 Rick James 04/26/2014 05:46AM
Re: BETWEEN a DATE and a hard place   76 Gerald Bayles 04/28/2014 07:27AM
Re: BETWEEN a DATE and a hard place   62 Gerald Bayles 05/01/2014 09:41AM
Re: BETWEEN a DATE and a hard place   64 Rick James 05/02/2014 11:39AM
MySQL Optimizer: Features in MySQL 5.7   172 Edwin Desouza 04/22/2014 10:03AM
Access mysql blob data from stored procedure   219 Kalpesh g 04/15/2014 04:38AM
Re: Access mysql blob data from stored procedure   83 Peter Brawley 04/15/2014 11:14AM
PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   300 Andre Mikulec 03/05/2014 05:38PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   125 Rick James 03/06/2014 11:21PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   121 Rick James 03/06/2014 11:23PM
Explain estimate completely wrong for range when partitioned by day   396 Blake Harps 02/13/2014 01:23PM
Re: Explain estimate completely wrong for range when partitioned by day   164 Øystein Grøvlen 02/14/2014 01:29AM
Re: Explain estimate completely wrong for range when partitioned by day   154 Mattias Jonsson 02/14/2014 09:44AM
Re: Explain estimate completely wrong for range when partitioned by day   155 Blake Harps 02/14/2014 03:07PM
Re: Explain estimate completely wrong for range when partitioned by day   154 Blake Harps 02/14/2014 02:58PM
Re: Explain estimate completely wrong for range when partitioned by day   145 Edwin Desouza 02/15/2014 12:39PM
Re: Explain estimate completely wrong for range when partitioned by day   149 Rick James 02/15/2014 12:42PM
Re: Explain estimate completely wrong for range when partitioned by day   125 Blake Harps 03/04/2014 12:27PM
Re: Explain estimate completely wrong for range when partitioned by day   153 Mattias Jonsson 02/17/2014 04:29PM
Subquery with range uses filesort   642 David Marcus 11/16/2013 02:42PM
Re: Subquery with range uses filesort   213 Rick James 11/17/2013 07:42PM
Re: Subquery with range uses filesort   201 David Marcus 11/17/2013 08:01PM
Re: Subquery with range uses filesort   217 Rick James 11/18/2013 04:33PM
Re: Subquery with range uses filesort   226 David Marcus 11/18/2013 07:54PM
Re: Subquery with range uses filesort   198 Rick James 11/19/2013 04:10PM
Re: Subquery with range uses filesort   198 David Marcus 11/19/2013 08:36PM
Re: Subquery with range uses filesort   220 Rick James 11/21/2013 02:55PM
Re: Subquery with range uses filesort   202 David Marcus 12/05/2013 03:46PM
Re: Subquery with range uses filesort   185 Rick James 12/07/2013 02:10PM
Re: Subquery with range uses filesort   181 David Marcus 12/09/2013 06:08PM
Re: Subquery with range uses filesort   174 David Marcus 12/14/2013 09:51PM
Re: Subquery with range uses filesort   171 David Marcus 12/14/2013 10:17PM
Re: Subquery with range uses filesort   175 Rick James 12/15/2013 11:29PM
Re: Subquery with range uses filesort   218 David Marcus 12/17/2013 06:58PM
Re: Subquery with range uses filesort   180 Rick James 12/18/2013 05:49PM
Re: Subquery with range uses filesort   164 David Marcus 12/18/2013 08:28PM
Re: Subquery with range uses filesort   167 Rick James 12/19/2013 10:13PM
Re: Subquery with range uses filesort   165 David Marcus 12/19/2013 10:28PM
Re: Subquery with range uses filesort   163 Rick James 12/20/2013 07:06PM
Re: Subquery with range uses filesort   167 David Marcus 12/21/2013 07:36AM
Re: Subquery with range uses filesort   186 Rick James 12/22/2013 10:01AM
Re: Subquery with range uses filesort   192 David Marcus 12/22/2013 10:45AM
Re: Subquery with range uses filesort   163 David Marcus 12/25/2013 09:30PM
Optimizer executes inperformant subquery first   566 Martin Kirchner 12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first   191 Rick James 12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first   209 Martin Kirchner 12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first   256 Øystein Grøvlen 12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first   178 Martin Kirchner 12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first   186 Øystein Grøvlen 12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first   189 Martin Kirchner 12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first   182 Øystein Grøvlen 12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first   176 Rick James 12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first   171 Martin Kirchner 12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first   176 Rick James 12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first   179 Øystein Grøvlen 12/19/2013 02:49AM
my.cnf   476 Juan Medina 10/27/2013 02:08PM
Re: my.cnf   209 Rick James 10/29/2013 07:12PM
my.cnf optimization please help   666 Ivan Kratunkov 10/28/2013 03:39AM
Re: my.cnf optimization please help   267 Rick James 10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7   386 Edwin Desouza 10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query   470 George Maharis 10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query   229 Rick James 10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query   218 George Maharis 10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query   206 Rick James 10/16/2013 08:36PM
MySQL My.cnf Config Help   456 Mathieu Louis 10/03/2013 09:32PM
Very slow dependent subquery   565 patrick canarelli 09/18/2013 03:06AM
Re: Very slow dependent subquery   313 Øystein Grøvlen 09/18/2013 07:06AM
Re: Very slow dependent subquery   266 patrick canarelli 09/18/2013 07:51AM
Re: Very slow dependent subquery   247 Øystein Grøvlen 09/18/2013 02:57PM
Re: Very slow dependent subquery   271 Peter Brawley 09/18/2013 02:13PM
Re: Very slow dependent subquery   261 patrick canarelli 09/18/2013 03:10PM
Re: Very slow dependent subquery   266 Rick James 09/24/2013 10:04PM
Re: Very slow dependent subquery   318 patrick canarelli 09/25/2013 12:53AM
big database +1 million rows/days   588 khaoula el hammoumi 09/11/2013 04:06AM
Re: big database +1 million rows/days   281 khaoula el hammoumi 09/12/2013 01:37AM
Re: big database +1 million rows/days   287 Rick James 09/13/2013 10:59PM
Optimize query join with 25,000 records   579 Andrea Presazzi 08/26/2013 02:27AM
Re: Optimize query join with 25,000 records   272 Rick James 08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter   894 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   414 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   324 Rick James 08/31/2013 04:13PM
query index not used   483 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   264 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   765 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   342 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   325 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   280 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   298 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   300 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   296 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   304 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   550 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   286 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   959 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   445 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   458 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   388 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   359 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   354 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   371 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   575 Rick James 06/04/2013 11:49PM
Query optimization   787 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   366 Rick James 05/12/2013 08:42PM
Re: Query optimization   353 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   356 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   321 Rick James 05/16/2013 08:18AM
Re: Query optimization   373 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   347 Rick James 05/17/2013 11:47PM
Re: Query optimization   337 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   355 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   629 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   1,087 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   471 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   2,561 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   706 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   671 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   592 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   629 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   515 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   537 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   627 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   594 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   521 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   571 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   537 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   550 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   515 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   547 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   582 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   703 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   573 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   634 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   557 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   590 David Marcus 02/03/2013 04:15PM
Very slow query, help please   922 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   554 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   549 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   576 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   817 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   3,399 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   1,288 Rick James 01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   911 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   1,540 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   564 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   752 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   556 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   599 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   512 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   537 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   511 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,219 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   577 Rick James 12/21/2012 12:49PM
mysql subquery query optimization question   1,185 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   539 Rick James 01/13/2013 11:30AM
Create a New Datatype   1,080 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   505 Rick James 01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys   1,098 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   1,755 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   757 Rick James 12/08/2012 01:33PM
Complex query - need advise   1,262 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   614 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   607 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   875 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,197 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   627 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   569 Chris Slominski 10/25/2012 06:15AM
JOIN query too slow   1,300 N. Kovac 10/13/2012 11:52AM
Re: JOIN query too slow   590 Peter Brawley 10/14/2012 10:26AM
Re: JOIN query too slow   583 Rick James 10/16/2012 07:48PM
bulk update very slow   2,826 james che 09/25/2012 02:51PM
Re: bulk update very slow   1,030 james che 09/26/2012 02:58PM
Re: bulk update very slow   922 Rick James 09/27/2012 08:19PM
Re: bulk update very slow   1,066 Jørgen Løland 09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?   1,250 Daniel Estrada 09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?   706 Rick James 09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?   758 Daniel Estrada 09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?   611 Rick James 09/24/2012 11:43PM
Join? Union? I am so lost.   1,189 Hank Reardon 09/17/2012 09:09AM
Re: Join? Union? I am so lost.   575 Rick James 09/18/2012 07:48AM
How make indexes work with group by statement   1,171 Adnan Raza 09/13/2012 12:48AM
Re: How make indexes work with group by statement   609 Rick James 09/15/2012 10:34PM
Re: How make indexes work with group by statement   628 Jørgen Løland 09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   1,326 Dominik Bieringer 09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   626 Rick James 09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   639 Øystein Grøvlen 09/06/2012 04:32AM
optimize the query   1,226 ch srinivas 08/27/2012 10:47PM
Re: optimize the query   600 Øystein Grøvlen 08/28/2012 01:43AM
Re: optimize the query   604 ch srinivas 08/29/2012 04:15AM
Re: optimize the query   608 Øystein Grøvlen 08/29/2012 04:39AM
Re: optimize the query   559 ch srinivas 08/29/2012 05:38AM
Re: optimize the query   590 Rick James 08/30/2012 07:20AM
Query with GROUP BY not using Index   1,366 Imran Akbar 08/14/2012 01:06PM
Re: Query with GROUP BY not using Index   702 Øystein Grøvlen 08/15/2012 02:46AM
Re: Query with GROUP BY not using Index   611 Imran Akbar 08/16/2012 10:30AM
Re: Query with GROUP BY not using Index   651 Øystein Grøvlen 08/17/2012 02:58AM
Re: Query with GROUP BY not using Index   637 Rick James 08/18/2012 10:30PM
Re: Query with GROUP BY not using Index   631 Imran Akbar 08/24/2012 12:41PM
Re: Query with GROUP BY not using Index   651 Øystein Grøvlen 08/28/2012 03:11AM
Re: Query with GROUP BY not using Index   666 Imran Akbar 08/28/2012 06:21PM
Re: Query with GROUP BY not using Index   687 Øystein Grøvlen 08/29/2012 01:28AM
Re: Query with GROUP BY not using Index   622 Imran Akbar 08/29/2012 10:36AM
CONCAT and Index in where clause   3,424 Aurelien PANIZZA 08/22/2012 08:45AM
Re: CONCAT and Index in where clause   1,430 Øystein Grøvlen 08/23/2012 01:15AM
Re: CONCAT and Index in where clause   1,223 Rick James 08/23/2012 09:13PM
Re: CONCAT and Index in where clause   1,228 Aurelien PANIZZA 08/27/2012 09:53AM
Re: CONCAT and Index in where clause   1,416 Øystein Grøvlen 08/28/2012 02:50AM
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