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Subject Views Written By Posted
Sticky:  MySQL Parser (1 Posts)   836 Edwin Desouza 04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)   2,144 Edwin Desouza 12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)   2,844 Edwin Desouza 07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)   8,198 Edwin DeSouza 04/28/2007 06:20PM
MyISAM using 'wrong' index   84 Danny Stommen 06/08/2015 04:14AM
Re: MyISAM using 'wrong' index   19 Rick James 06/09/2015 11:53PM
Re: MyISAM using 'wrong' index   13 Danny Stommen 06/30/2015 03:22AM
Re: MyISAM using 'wrong' index   7 Rick James 07/02/2015 09:28PM
Re: MyISAM using 'wrong' index   5 Danny Stommen 07/03/2015 03:16AM
Need help understanding optimizer behavior in 5.6   73 Aaron Craven 06/22/2015 08:30AM
Re: Need help understanding optimizer behavior in 5.6   21 Aaron Craven 06/22/2015 08:31AM
Re: Need help understanding optimizer behavior in 5.6   16 Rick James 06/23/2015 07:00PM
Re: Need help understanding optimizer behavior in 5.6   18 Aaron Craven 06/24/2015 06:22AM
Re: Need help understanding optimizer behavior in 5.6   24 Rick James 06/25/2015 11:37PM
Re: Need help understanding optimizer behavior in 5.6   8 Aaron Craven 06/26/2015 06:56AM
Re: Need help understanding optimizer behavior in 5.6   10 Øystein Grøvlen 06/30/2015 05:46AM
Re: Need help understanding optimizer behavior in 5.6   11 Aaron Craven 06/30/2015 08:06AM
Re: Need help understanding optimizer behavior in 5.6   8 Aaron Craven 06/30/2015 08:16AM
Re: Need help understanding optimizer behavior in 5.6   16 Øystein Grøvlen 07/01/2015 03:49AM
Re: Need help understanding optimizer behavior in 5.6   15 Aaron Craven 07/01/2015 06:48AM
Re: Need help understanding optimizer behavior in 5.6   19 Edwin Desouza 07/01/2015 03:05PM
Re: Need help understanding optimizer behavior in 5.6   7 Aaron Craven 07/02/2015 07:48AM
MySQL 5.7: Optimizer Trace and EXPLAIN FORMAT=JSON   164 Edwin Desouza 05/25/2015 10:41AM
foreign key creation in a huge database   240 Raffael Vendrametto 03/05/2015 04:05PM
Please do NOT duplicate posts   116 Peter Brawley 03/05/2015 05:42PM
Query Taking 2.5hrs on 5.6.20 version   280 ch srinivas 03/04/2015 01:30AM
Re: Query Taking 2.5hrs on 5.6.20 version   130 Peter Brawley 03/04/2015 12:15PM
Re: Query Taking 2.5hrs on 5.6.20 version   108 Rick James 03/04/2015 08:18PM
Query optimisation advice   425 Paul Feely 01/08/2015 11:02PM
Re: Query optimisation advice   170 Rick James 01/10/2015 01:22AM
Re: Query optimisation advice   167 Paul Feely 01/11/2015 05:50PM
Re: Query optimisation advice   161 Rick James 01/12/2015 10:35PM
actual Size calculation of mysql table (engine innodb)   445 Afaque Ahmad Siddiqui 12/10/2014 09:38AM
Re: actual Size calculation of mysql table (engine innodb)   189 Rick James 12/12/2014 08:32PM
Re: actual Size calculation of mysql table (engine innodb)   172 Rick James 12/12/2014 08:36PM
MySQL cash optimization   550 Sasha Katsman 11/27/2014 06:33AM
Re: MySQL cash optimization   220 Peter Brawley 11/27/2014 04:34PM
Re: MySQL cash optimization   196 Sasha Katsman 12/09/2014 04:33AM
Re: MySQL cache optimization   168 Peter Brawley 12/09/2014 12:28PM
how to tune for optimizer_search_depth?   429 jongse park 12/03/2014 12:13AM
Re: how to tune for optimizer_search_depth?   222 Rick James 12/03/2014 11:33PM
Re: how to tune for optimizer_search_depth?   249 Øystein Grøvlen 12/08/2014 05:32AM
MySQL Optimizer Cost Model   542 Edwin Desouza 10/24/2014 10:37AM
Need help to create index on join statments   553 Neil Sorathia 10/08/2014 06:24PM
Re: Need help to create index on join statments   261 Neil Sorathia 10/09/2014 09:46AM
Re: Need help to create index on join statments   297 Rick James 10/11/2014 01:37PM
Better Performance for JOINs Not Using Indexes   527 Edwin Desouza 10/03/2014 01:48PM
A Multi-Table Trick to Speed up Single-Table UPDATE/DELETE Statements   552 Edwin Desouza 10/03/2014 01:47PM
MySQL 5.7: Optimizer Hints + Query Rewrite   491 Edwin Desouza 10/01/2014 08:53AM
Intermediate Query Results   588 Ashwini Singh 09/12/2014 08:37AM
Re: Intermediate Query Results   323 Rick James 09/13/2014 09:23PM
Re: Intermediate Query Results   360 Øystein Grøvlen 09/15/2014 05:42AM
All records scanning using "LIKe" and "IN" operaters   644 ch srinivas 06/28/2014 01:43PM
Re: All records scanning using "LIKe" and "IN" operaters   343 Peter Brawley 06/28/2014 02:22PM
Re: All records scanning using "LIKe" and "IN" operaters   295 Øystein Grøvlen 08/28/2014 03:47PM
Help me to optimize my sql query   549 GAURAV JAIN 08/21/2014 07:29AM
Re: Help me to optimize my sql query   274 Rick James 08/22/2014 06:50AM
How could this SQL be optimized?   733 feng guo 05/29/2014 11:26PM
Re: How could this SQL be optimized?   368 Øystein Grøvlen 05/30/2014 02:41AM
Re: How could this SQL be optimized?   406 feng guo 05/30/2014 02:46AM
Re: How could this SQL be optimized?   312 Marion Gordon 08/21/2014 11:03PM
Re: How could this SQL be optimized?   280 Øystein Grøvlen 08/22/2014 01:54AM
simple uses of order by datetime keep causing 'using filesort'   695 park albert 08/19/2014 05:44PM
Re: simple uses of order by datetime keep causing 'using filesort'   312 Rick James 08/20/2014 07:34PM
Expland and slow-query don't agree   582 Aram Mirzadeh 08/03/2014 06:24AM
Re: Expland and slow-query don't agree   282 Rick James 08/04/2014 01:23PM
Query not using index sporadically   755 Vinay NP 06/13/2014 07:51AM
Re: Query not using index sporadically   359 Rick James 06/18/2014 02:48PM
[HELP] Subquery Optimization   702 Pinoy Central 05/28/2014 08:56PM
MySQL 5.7: Re-factoring internals of Prepared Statements   635 Edwin Desouza 05/15/2014 12:29PM
BETWEEN a DATE and a hard place   895 Gerald Bayles 04/16/2014 02:07PM
Re: BETWEEN a DATE and a hard place   395 Rick James 04/18/2014 05:19PM
Re: BETWEEN a DATE and a hard place   414 Gerald Bayles 04/21/2014 08:36AM
Re: BETWEEN a DATE and a hard place   437 Rick James 04/24/2014 08:20PM
Re: BETWEEN a DATE and a hard place   396 Gerald Bayles 04/25/2014 06:36AM
Re: BETWEEN a DATE and a hard place   385 Rick James 04/26/2014 05:46AM
Re: BETWEEN a DATE and a hard place   382 Gerald Bayles 04/28/2014 07:27AM
Re: BETWEEN a DATE and a hard place   413 Gerald Bayles 05/01/2014 09:41AM
Re: BETWEEN a DATE and a hard place   452 Rick James 05/02/2014 11:39AM
MySQL Optimizer: Features in MySQL 5.7   671 Edwin Desouza 04/22/2014 10:03AM
Access mysql blob data from stored procedure   948 Kalpesh g 04/15/2014 04:38AM
Re: Access mysql blob data from stored procedure   426 Peter Brawley 04/15/2014 11:14AM
PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   978 Andre Mikulec 03/05/2014 05:38PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   500 Rick James 03/06/2014 11:21PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   488 Rick James 03/06/2014 11:23PM
Explain estimate completely wrong for range when partitioned by day   1,173 Blake Harps 02/13/2014 01:23PM
Re: Explain estimate completely wrong for range when partitioned by day   506 Øystein Grøvlen 02/14/2014 01:29AM
Re: Explain estimate completely wrong for range when partitioned by day   520 Mattias Jonsson 02/14/2014 09:44AM
Re: Explain estimate completely wrong for range when partitioned by day   490 Blake Harps 02/14/2014 03:07PM
Re: Explain estimate completely wrong for range when partitioned by day   495 Blake Harps 02/14/2014 02:58PM
Re: Explain estimate completely wrong for range when partitioned by day   510 Edwin Desouza 02/15/2014 12:39PM
Re: Explain estimate completely wrong for range when partitioned by day   506 Rick James 02/15/2014 12:42PM
Re: Explain estimate completely wrong for range when partitioned by day   495 Blake Harps 03/04/2014 12:27PM
Re: Explain estimate completely wrong for range when partitioned by day   513 Mattias Jonsson 02/17/2014 04:29PM
Subquery with range uses filesort   1,486 David Marcus 11/16/2013 02:42PM
Re: Subquery with range uses filesort   621 Rick James 11/17/2013 07:42PM
Re: Subquery with range uses filesort   546 David Marcus 11/17/2013 08:01PM
Re: Subquery with range uses filesort   555 Rick James 11/18/2013 04:33PM
Re: Subquery with range uses filesort   704 David Marcus 11/18/2013 07:54PM
Re: Subquery with range uses filesort   620 Rick James 11/19/2013 04:10PM
Re: Subquery with range uses filesort   629 David Marcus 11/19/2013 08:36PM
Re: Subquery with range uses filesort   622 Rick James 11/21/2013 02:55PM
Re: Subquery with range uses filesort   627 David Marcus 12/05/2013 03:46PM
Re: Subquery with range uses filesort   569 Rick James 12/07/2013 02:10PM
Re: Subquery with range uses filesort   539 David Marcus 12/09/2013 06:08PM
Re: Subquery with range uses filesort   577 David Marcus 12/14/2013 09:51PM
Re: Subquery with range uses filesort   553 David Marcus 12/14/2013 10:17PM
Re: Subquery with range uses filesort   594 Rick James 12/15/2013 11:29PM
Re: Subquery with range uses filesort   663 David Marcus 12/17/2013 06:58PM
Re: Subquery with range uses filesort   569 Rick James 12/18/2013 05:49PM
Re: Subquery with range uses filesort   548 David Marcus 12/18/2013 08:28PM
Re: Subquery with range uses filesort   587 Rick James 12/19/2013 10:13PM
Re: Subquery with range uses filesort   550 David Marcus 12/19/2013 10:28PM
Re: Subquery with range uses filesort   552 Rick James 12/20/2013 07:06PM
Re: Subquery with range uses filesort   586 David Marcus 12/21/2013 07:36AM
Re: Subquery with range uses filesort   608 Rick James 12/22/2013 10:01AM
Re: Subquery with range uses filesort   602 David Marcus 12/22/2013 10:45AM
Re: Subquery with range uses filesort   558 David Marcus 12/25/2013 09:30PM
Optimizer executes inperformant subquery first   1,329 Martin Kirchner 12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first   526 Rick James 12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first   622 Martin Kirchner 12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first   754 Øystein Grøvlen 12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first   499 Martin Kirchner 12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first   565 Øystein Grøvlen 12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first   516 Martin Kirchner 12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first   506 Øystein Grøvlen 12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first   565 Rick James 12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first   593 Martin Kirchner 12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first   605 Rick James 12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first   563 Øystein Grøvlen 12/19/2013 02:49AM
my.cnf   1,033 Juan Medina 10/27/2013 02:08PM
Re: my.cnf   521 Rick James 10/29/2013 07:12PM
my.cnf optimization please help   1,540 Ivan Kratunkov 10/28/2013 03:39AM
Re: my.cnf optimization please help   614 Rick James 10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7   854 Edwin Desouza 10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query   998 George Maharis 10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query   584 Rick James 10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query   555 George Maharis 10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query   529 Rick James 10/16/2013 08:36PM
MySQL My.cnf Config Help   1,061 Mathieu Louis 10/03/2013 09:32PM
Very slow dependent subquery   1,260 patrick canarelli 09/18/2013 03:06AM
Re: Very slow dependent subquery   740 Øystein Grøvlen 09/18/2013 07:06AM
Re: Very slow dependent subquery   662 patrick canarelli 09/18/2013 07:51AM
Re: Very slow dependent subquery   642 Øystein Grøvlen 09/18/2013 02:57PM
Re: Very slow dependent subquery   615 Peter Brawley 09/18/2013 02:13PM
Re: Very slow dependent subquery   607 patrick canarelli 09/18/2013 03:10PM
Re: Very slow dependent subquery   620 Rick James 09/24/2013 10:04PM
Re: Very slow dependent subquery   704 patrick canarelli 09/25/2013 12:53AM
big database +1 million rows/days   1,262 khaoula el hammoumi 09/11/2013 04:06AM
Re: big database +1 million rows/days   622 khaoula el hammoumi 09/12/2013 01:37AM
Re: big database +1 million rows/days   616 Rick James 09/13/2013 10:59PM
Optimize query join with 25,000 records   1,133 Andrea Presazzi 08/26/2013 02:27AM
Re: Optimize query join with 25,000 records   558 Rick James 08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter   1,757 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   802 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   699 Rick James 08/31/2013 04:13PM
query index not used   957 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   555 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   1,430 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   692 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   668 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   597 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   656 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   662 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   672 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   682 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   1,062 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   568 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   1,862 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   906 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   815 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   802 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   745 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   761 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   749 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,285 Rick James 06/04/2013 11:49PM
Query optimization   1,494 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   806 Rick James 05/12/2013 08:42PM
Re: Query optimization   745 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   698 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   702 Rick James 05/16/2013 08:18AM
Re: Query optimization   747 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   753 Rick James 05/17/2013 11:47PM
Re: Query optimization   683 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   710 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   1,094 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   1,779 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   806 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   4,058 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   1,115 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   1,112 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   1,008 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   1,002 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   902 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   904 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   1,161 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   1,033 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   932 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   950 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   978 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   951 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   894 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   950 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   1,006 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   1,147 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   1,003 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   983 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   1,014 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   1,051 David Marcus 02/03/2013 04:15PM
Very slow query, help please   1,489 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   868 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   851 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   933 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   1,281 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   4,798 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   1,842 Rick James 01/22/2013 11:32PM
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