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Subject Views Written By Posted
Sticky:  MySQL Parser (1 Posts)   297 Edwin Desouza 04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)   1,657 Edwin Desouza 12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)   2,389 Edwin Desouza 07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)   7,753 Edwin DeSouza 04/28/2007 06:20PM
All records scanning using "LIKe" and "IN" operaters   167 ch srinivas 06/28/2014 01:43PM
Re: All records scanning using "LIKe" and "IN" operaters   56 Peter Brawley 06/28/2014 02:22PM
Re: All records scanning using "LIKe" and "IN" operaters   8 Øystein Grøvlen 08/28/2014 03:47PM
Help me to optimize my sql query   64 GAURAV JAIN 08/21/2014 07:29AM
Re: Help me to optimize my sql query   22 Rick James 08/22/2014 06:50AM
How could this SQL be optimized?   229 feng guo 05/29/2014 11:26PM
Re: How could this SQL be optimized?   90 Øystein Grøvlen 05/30/2014 02:41AM
Re: How could this SQL be optimized?   95 feng guo 05/30/2014 02:46AM
Re: How could this SQL be optimized?   18 Marion Gordon 08/21/2014 11:03PM
Re: How could this SQL be optimized?   12 Øystein Grøvlen 08/22/2014 01:54AM
simple uses of order by datetime keep causing 'using filesort'   65 park albert 08/19/2014 05:44PM
Re: simple uses of order by datetime keep causing 'using filesort'   18 Rick James 08/20/2014 07:34PM
Expland and slow-query don't agree   103 Aram Mirzadeh 08/03/2014 06:24AM
Re: Expland and slow-query don't agree   26 Rick James 08/04/2014 01:23PM
Query not using index sporadically   199 Vinay NP 06/13/2014 07:51AM
Re: Query not using index sporadically   64 Rick James 06/18/2014 02:48PM
[HELP] Subquery Optimization   176 Pinoy Central 05/28/2014 08:56PM
MySQL 5.7: Re-factoring internals of Prepared Statements   160 Edwin Desouza 05/15/2014 12:29PM
BETWEEN a DATE and a hard place   274 Gerald Bayles 04/16/2014 02:07PM
Re: BETWEEN a DATE and a hard place   120 Rick James 04/18/2014 05:19PM
Re: BETWEEN a DATE and a hard place   113 Gerald Bayles 04/21/2014 08:36AM
Re: BETWEEN a DATE and a hard place   109 Rick James 04/24/2014 08:20PM
Re: BETWEEN a DATE and a hard place   101 Gerald Bayles 04/25/2014 06:36AM
Re: BETWEEN a DATE and a hard place   98 Rick James 04/26/2014 05:46AM
Re: BETWEEN a DATE and a hard place   103 Gerald Bayles 04/28/2014 07:27AM
Re: BETWEEN a DATE and a hard place   96 Gerald Bayles 05/01/2014 09:41AM
Re: BETWEEN a DATE and a hard place   101 Rick James 05/02/2014 11:39AM
MySQL Optimizer: Features in MySQL 5.7   225 Edwin Desouza 04/22/2014 10:03AM
Access mysql blob data from stored procedure   291 Kalpesh g 04/15/2014 04:38AM
Re: Access mysql blob data from stored procedure   115 Peter Brawley 04/15/2014 11:14AM
PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   385 Andre Mikulec 03/05/2014 05:38PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   158 Rick James 03/06/2014 11:21PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   163 Rick James 03/06/2014 11:23PM
Explain estimate completely wrong for range when partitioned by day   477 Blake Harps 02/13/2014 01:23PM
Re: Explain estimate completely wrong for range when partitioned by day   195 Øystein Grøvlen 02/14/2014 01:29AM
Re: Explain estimate completely wrong for range when partitioned by day   194 Mattias Jonsson 02/14/2014 09:44AM
Re: Explain estimate completely wrong for range when partitioned by day   189 Blake Harps 02/14/2014 03:07PM
Re: Explain estimate completely wrong for range when partitioned by day   191 Blake Harps 02/14/2014 02:58PM
Re: Explain estimate completely wrong for range when partitioned by day   188 Edwin Desouza 02/15/2014 12:39PM
Re: Explain estimate completely wrong for range when partitioned by day   179 Rick James 02/15/2014 12:42PM
Re: Explain estimate completely wrong for range when partitioned by day   151 Blake Harps 03/04/2014 12:27PM
Re: Explain estimate completely wrong for range when partitioned by day   188 Mattias Jonsson 02/17/2014 04:29PM
Subquery with range uses filesort   736 David Marcus 11/16/2013 02:42PM
Re: Subquery with range uses filesort   249 Rick James 11/17/2013 07:42PM
Re: Subquery with range uses filesort   230 David Marcus 11/17/2013 08:01PM
Re: Subquery with range uses filesort   248 Rick James 11/18/2013 04:33PM
Re: Subquery with range uses filesort   259 David Marcus 11/18/2013 07:54PM
Re: Subquery with range uses filesort   234 Rick James 11/19/2013 04:10PM
Re: Subquery with range uses filesort   242 David Marcus 11/19/2013 08:36PM
Re: Subquery with range uses filesort   259 Rick James 11/21/2013 02:55PM
Re: Subquery with range uses filesort   244 David Marcus 12/05/2013 03:46PM
Re: Subquery with range uses filesort   213 Rick James 12/07/2013 02:10PM
Re: Subquery with range uses filesort   211 David Marcus 12/09/2013 06:08PM
Re: Subquery with range uses filesort   208 David Marcus 12/14/2013 09:51PM
Re: Subquery with range uses filesort   201 David Marcus 12/14/2013 10:17PM
Re: Subquery with range uses filesort   220 Rick James 12/15/2013 11:29PM
Re: Subquery with range uses filesort   251 David Marcus 12/17/2013 06:58PM
Re: Subquery with range uses filesort   209 Rick James 12/18/2013 05:49PM
Re: Subquery with range uses filesort   192 David Marcus 12/18/2013 08:28PM
Re: Subquery with range uses filesort   214 Rick James 12/19/2013 10:13PM
Re: Subquery with range uses filesort   203 David Marcus 12/19/2013 10:28PM
Re: Subquery with range uses filesort   198 Rick James 12/20/2013 07:06PM
Re: Subquery with range uses filesort   210 David Marcus 12/21/2013 07:36AM
Re: Subquery with range uses filesort   219 Rick James 12/22/2013 10:01AM
Re: Subquery with range uses filesort   239 David Marcus 12/22/2013 10:45AM
Re: Subquery with range uses filesort   206 David Marcus 12/25/2013 09:30PM
Optimizer executes inperformant subquery first   657 Martin Kirchner 12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first   218 Rick James 12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first   254 Martin Kirchner 12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first   312 Øystein Grøvlen 12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first   212 Martin Kirchner 12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first   211 Øystein Grøvlen 12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first   219 Martin Kirchner 12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first   214 Øystein Grøvlen 12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first   205 Rick James 12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first   202 Martin Kirchner 12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first   214 Rick James 12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first   206 Øystein Grøvlen 12/19/2013 02:49AM
my.cnf   540 Juan Medina 10/27/2013 02:08PM
Re: my.cnf   235 Rick James 10/29/2013 07:12PM
my.cnf optimization please help   767 Ivan Kratunkov 10/28/2013 03:39AM
Re: my.cnf optimization please help   305 Rick James 10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7   434 Edwin Desouza 10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query   532 George Maharis 10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query   269 Rick James 10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query   251 George Maharis 10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query   237 Rick James 10/16/2013 08:36PM
MySQL My.cnf Config Help   521 Mathieu Louis 10/03/2013 09:32PM
Very slow dependent subquery   657 patrick canarelli 09/18/2013 03:06AM
Re: Very slow dependent subquery   362 Øystein Grøvlen 09/18/2013 07:06AM
Re: Very slow dependent subquery   311 patrick canarelli 09/18/2013 07:51AM
Re: Very slow dependent subquery   279 Øystein Grøvlen 09/18/2013 02:57PM
Re: Very slow dependent subquery   309 Peter Brawley 09/18/2013 02:13PM
Re: Very slow dependent subquery   299 patrick canarelli 09/18/2013 03:10PM
Re: Very slow dependent subquery   298 Rick James 09/24/2013 10:04PM
Re: Very slow dependent subquery   352 patrick canarelli 09/25/2013 12:53AM
big database +1 million rows/days   669 khaoula el hammoumi 09/11/2013 04:06AM
Re: big database +1 million rows/days   311 khaoula el hammoumi 09/12/2013 01:37AM
Re: big database +1 million rows/days   323 Rick James 09/13/2013 10:59PM
Optimize query join with 25,000 records   643 Andrea Presazzi 08/26/2013 02:27AM
Re: Optimize query join with 25,000 records   302 Rick James 08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter   981 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   450 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   358 Rick James 08/31/2013 04:13PM
query index not used   537 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   295 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   844 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   374 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   355 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   309 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   329 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   337 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   332 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   343 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   599 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   316 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   1,051 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   485 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   500 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   422 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   390 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   382 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   404 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   661 Rick James 06/04/2013 11:49PM
Query optimization   871 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   412 Rick James 05/12/2013 08:42PM
Re: Query optimization   399 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   392 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   358 Rick James 05/16/2013 08:18AM
Re: Query optimization   408 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   387 Rick James 05/17/2013 11:47PM
Re: Query optimization   378 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   384 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   676 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   1,171 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   502 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   2,762 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   746 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   723 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   627 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   670 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   561 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   589 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   679 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   635 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   567 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   616 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   575 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   596 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   557 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   588 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   624 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   750 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   621 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   665 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   600 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   625 David Marcus 02/03/2013 04:15PM
Very slow query, help please   973 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   582 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   578 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   609 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   869 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   3,609 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   1,362 Rick James 01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   967 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   1,625 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   605 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   807 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   591 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   641 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   553 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   572 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   546 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,266 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   605 Rick James 12/21/2012 12:49PM
mysql subquery query optimization question   1,249 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   573 Rick James 01/13/2013 11:30AM
Create a New Datatype   1,132 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   537 Rick James 01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys   1,148 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   1,873 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   808 Rick James 12/08/2012 01:33PM
Complex query - need advise   1,310 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   642 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   636 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   911 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,248 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   657 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   599 Chris Slominski 10/25/2012 06:15AM
JOIN query too slow   1,354 N. Kovac 10/13/2012 11:52AM
Re: JOIN query too slow   625 Peter Brawley 10/14/2012 10:26AM
Re: JOIN query too slow   614 Rick James 10/16/2012 07:48PM
bulk update very slow   2,925 james che 09/25/2012 02:51PM
Re: bulk update very slow   1,069 james che 09/26/2012 02:58PM
Re: bulk update very slow   969 Rick James 09/27/2012 08:19PM
Re: bulk update very slow   1,107 Jørgen Løland 09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?   1,298 Daniel Estrada 09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?   737 Rick James 09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?   805 Daniel Estrada 09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?   645 Rick James 09/24/2012 11:43PM
Join? Union? I am so lost.   1,244 Hank Reardon 09/17/2012 09:09AM
Re: Join? Union? I am so lost.   607 Rick James 09/18/2012 07:48AM
How make indexes work with group by statement   1,223 Adnan Raza 09/13/2012 12:48AM
Re: How make indexes work with group by statement   635 Rick James 09/15/2012 10:34PM
Re: How make indexes work with group by statement   657 Jørgen Løland 09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   1,381 Dominik Bieringer 09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   653 Rick James 09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   666 Øystein Grøvlen 09/06/2012 04:32AM
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