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Subject Views Written By Posted
Sticky:  MySQL Parser (1 Posts)   77 Edwin Desouza 04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)   1,436 Edwin Desouza 12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)   2,188 Edwin Desouza 07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)   7,545 Edwin DeSouza 04/28/2007 06:20PM
BETWEEN a DATE and a hard place   25 Gerald Bayles 04/16/2014 02:07PM
Re: BETWEEN a DATE and a hard place   5 Rick James 04/18/2014 05:19PM
Access mysql blob data from stored procedure   33 Kalpesh g 04/15/2014 04:38AM
Re: Access mysql blob data from stored procedure   9 Peter Brawley 04/15/2014 11:14AM
PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   120 Andre Mikulec 03/05/2014 05:38PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   42 Rick James 03/06/2014 11:21PM
Re: PARTITION table ADD INDEX ERROR 1041 (HY000) Out of memory   42 Rick James 03/06/2014 11:23PM
Explain estimate completely wrong for range when partitioned by day   203 Blake Harps 02/13/2014 01:23PM
Re: Explain estimate completely wrong for range when partitioned by day   77 Øystein Grøvlen 02/14/2014 01:29AM
Re: Explain estimate completely wrong for range when partitioned by day   76 Mattias Jonsson 02/14/2014 09:44AM
Re: Explain estimate completely wrong for range when partitioned by day   74 Blake Harps 02/14/2014 03:07PM
Re: Explain estimate completely wrong for range when partitioned by day   73 Blake Harps 02/14/2014 02:58PM
Re: Explain estimate completely wrong for range when partitioned by day   67 Edwin Desouza 02/15/2014 12:39PM
Re: Explain estimate completely wrong for range when partitioned by day   66 Rick James 02/15/2014 12:42PM
Re: Explain estimate completely wrong for range when partitioned by day   47 Blake Harps 03/04/2014 12:27PM
Re: Explain estimate completely wrong for range when partitioned by day   64 Mattias Jonsson 02/17/2014 04:29PM
Subquery with range uses filesort   420 David Marcus 11/16/2013 02:42PM
Re: Subquery with range uses filesort   133 Rick James 11/17/2013 07:42PM
Re: Subquery with range uses filesort   121 David Marcus 11/17/2013 08:01PM
Re: Subquery with range uses filesort   124 Rick James 11/18/2013 04:33PM
Re: Subquery with range uses filesort   137 David Marcus 11/18/2013 07:54PM
Re: Subquery with range uses filesort   114 Rick James 11/19/2013 04:10PM
Re: Subquery with range uses filesort   120 David Marcus 11/19/2013 08:36PM
Re: Subquery with range uses filesort   131 Rick James 11/21/2013 02:55PM
Re: Subquery with range uses filesort   113 David Marcus 12/05/2013 03:46PM
Re: Subquery with range uses filesort   111 Rick James 12/07/2013 02:10PM
Re: Subquery with range uses filesort   110 David Marcus 12/09/2013 06:08PM
Re: Subquery with range uses filesort   94 David Marcus 12/14/2013 09:51PM
Re: Subquery with range uses filesort   92 David Marcus 12/14/2013 10:17PM
Re: Subquery with range uses filesort   98 Rick James 12/15/2013 11:29PM
Re: Subquery with range uses filesort   134 David Marcus 12/17/2013 06:58PM
Re: Subquery with range uses filesort   101 Rick James 12/18/2013 05:49PM
Re: Subquery with range uses filesort   88 David Marcus 12/18/2013 08:28PM
Re: Subquery with range uses filesort   93 Rick James 12/19/2013 10:13PM
Re: Subquery with range uses filesort   86 David Marcus 12/19/2013 10:28PM
Re: Subquery with range uses filesort   86 Rick James 12/20/2013 07:06PM
Re: Subquery with range uses filesort   87 David Marcus 12/21/2013 07:36AM
Re: Subquery with range uses filesort   94 Rick James 12/22/2013 10:01AM
Re: Subquery with range uses filesort   101 David Marcus 12/22/2013 10:45AM
Re: Subquery with range uses filesort   86 David Marcus 12/25/2013 09:30PM
Optimizer executes inperformant subquery first   338 Martin Kirchner 12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first   112 Rick James 12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first   130 Martin Kirchner 12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first   156 Øystein Grøvlen 12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first   102 Martin Kirchner 12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first   112 Øystein Grøvlen 12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first   112 Martin Kirchner 12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first   110 Øystein Grøvlen 12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first   97 Rick James 12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first   104 Martin Kirchner 12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first   106 Rick James 12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first   109 Øystein Grøvlen 12/19/2013 02:49AM
my.cnf   350 Juan Medina 10/27/2013 02:08PM
Re: my.cnf   141 Rick James 10/29/2013 07:12PM
my.cnf optimization please help   432 Ivan Kratunkov 10/28/2013 03:39AM
Re: my.cnf optimization please help   183 Rick James 10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7   270 Edwin Desouza 10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query   317 George Maharis 10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query   143 Rick James 10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query   144 George Maharis 10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query   134 Rick James 10/16/2013 08:36PM
MySQL My.cnf Config Help   304 Mathieu Louis 10/03/2013 09:32PM
Very slow dependent subquery   385 patrick canarelli 09/18/2013 03:06AM
Re: Very slow dependent subquery   219 Øystein Grøvlen 09/18/2013 07:06AM
Re: Very slow dependent subquery   186 patrick canarelli 09/18/2013 07:51AM
Re: Very slow dependent subquery   172 Øystein Grøvlen 09/18/2013 02:57PM
Re: Very slow dependent subquery   185 Peter Brawley 09/18/2013 02:13PM
Re: Very slow dependent subquery   179 patrick canarelli 09/18/2013 03:10PM
Re: Very slow dependent subquery   178 Rick James 09/24/2013 10:04PM
Re: Very slow dependent subquery   224 patrick canarelli 09/25/2013 12:53AM
big database +1 million rows/days   423 khaoula el hammoumi 09/11/2013 04:06AM
Re: big database +1 million rows/days   200 khaoula el hammoumi 09/12/2013 01:37AM
Re: big database +1 million rows/days   201 Rick James 09/13/2013 10:59PM
Optimize query join with 25,000 records   424 Andrea Presazzi 08/26/2013 02:27AM
Re: Optimize query join with 25,000 records   198 Rick James 08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter   658 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   305 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   240 Rick James 08/31/2013 04:13PM
query index not used   368 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   189 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   555 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   260 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   234 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   203 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   211 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   223 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   227 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   220 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   422 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   214 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   729 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   342 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   359 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   302 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   279 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   278 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   279 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   405 Rick James 06/04/2013 11:49PM
Query optimization   640 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   280 Rick James 05/12/2013 08:42PM
Re: Query optimization   263 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   285 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   249 Rick James 05/16/2013 08:18AM
Re: Query optimization   284 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   271 Rick James 05/17/2013 11:47PM
Re: Query optimization   262 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   282 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   518 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   916 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   393 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   2,117 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   606 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   559 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   506 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   535 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   429 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   445 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   500 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   498 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   435 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   474 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   433 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   458 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   412 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   449 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   490 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   573 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   474 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   529 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   471 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   502 David Marcus 02/03/2013 04:15PM
Very slow query, help please   787 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   484 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   469 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   494 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   705 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   2,862 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   1,089 Rick James 01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   797 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   1,257 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   471 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   628 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   477 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   486 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   439 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   458 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   423 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,108 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   499 Rick James 12/21/2012 12:49PM
mysql subquery query optimization question   1,038 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   468 Rick James 01/13/2013 11:30AM
Create a New Datatype   945 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   431 Rick James 01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys   982 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   1,486 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   630 Rick James 12/08/2012 01:33PM
Complex query - need advise   1,133 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   546 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   538 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   797 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,074 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   558 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   495 Chris Slominski 10/25/2012 06:15AM
JOIN query too slow   1,156 N. Kovac 10/13/2012 11:52AM
Re: JOIN query too slow   513 Peter Brawley 10/14/2012 10:26AM
Re: JOIN query too slow   509 Rick James 10/16/2012 07:48PM
bulk update very slow   2,552 james che 09/25/2012 02:51PM
Re: bulk update very slow   915 james che 09/26/2012 02:58PM
Re: bulk update very slow   822 Rick James 09/27/2012 08:19PM
Re: bulk update very slow   940 Jørgen Løland 09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?   1,128 Daniel Estrada 09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?   620 Rick James 09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?   653 Daniel Estrada 09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?   533 Rick James 09/24/2012 11:43PM
Join? Union? I am so lost.   1,065 Hank Reardon 09/17/2012 09:09AM
Re: Join? Union? I am so lost.   503 Rick James 09/18/2012 07:48AM
How make indexes work with group by statement   1,062 Adnan Raza 09/13/2012 12:48AM
Re: How make indexes work with group by statement   542 Rick James 09/15/2012 10:34PM
Re: How make indexes work with group by statement   557 Jørgen Løland 09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   1,195 Dominik Bieringer 09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   552 Rick James 09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   567 Øystein Grøvlen 09/06/2012 04:32AM
optimize the query   1,121 ch srinivas 08/27/2012 10:47PM
Re: optimize the query   532 Øystein Grøvlen 08/28/2012 01:43AM
Re: optimize the query   533 ch srinivas 08/29/2012 04:15AM
Re: optimize the query   540 Øystein Grøvlen 08/29/2012 04:39AM
Re: optimize the query   484 ch srinivas 08/29/2012 05:38AM
Re: optimize the query   512 Rick James 08/30/2012 07:20AM
Query with GROUP BY not using Index   1,201 Imran Akbar 08/14/2012 01:06PM
Re: Query with GROUP BY not using Index   618 Øystein Grøvlen 08/15/2012 02:46AM
Re: Query with GROUP BY not using Index   536 Imran Akbar 08/16/2012 10:30AM
Re: Query with GROUP BY not using Index   566 Øystein Grøvlen 08/17/2012 02:58AM
Re: Query with GROUP BY not using Index   563 Rick James 08/18/2012 10:30PM
Re: Query with GROUP BY not using Index   564 Imran Akbar 08/24/2012 12:41PM
Re: Query with GROUP BY not using Index   571 Øystein Grøvlen 08/28/2012 03:11AM
Re: Query with GROUP BY not using Index   577 Imran Akbar 08/28/2012 06:21PM
Re: Query with GROUP BY not using Index   603 Øystein Grøvlen 08/29/2012 01:28AM
Re: Query with GROUP BY not using Index   551 Imran Akbar 08/29/2012 10:36AM
CONCAT and Index in where clause   2,940 Aurelien PANIZZA 08/22/2012 08:45AM
Re: CONCAT and Index in where clause   1,219 Øystein Grøvlen 08/23/2012 01:15AM
Re: CONCAT and Index in where clause   1,052 Rick James 08/23/2012 09:13PM
Re: CONCAT and Index in where clause   1,069 Aurelien PANIZZA 08/27/2012 09:53AM
Re: CONCAT and Index in where clause   1,222 Øystein Grøvlen 08/28/2012 02:50AM
Simple query spending too much time in 'statistics' state without reason   3,429 Vincent B. 08/21/2012 06:19AM
Re: Simple query spending too much time in 'statistics' state without reason   1,925 Jørgen Løland 08/24/2012 06:24AM
Re: Simple query spending too much time in 'statistics' state without reason   1,496 Vincent B. 08/28/2012 01:53AM
Re: Simple query spending too much time in 'statistics' state without reason   1,743 Rick James 08/22/2012 07:44PM
Order By Slows down Joins   1,320 Sami BH 08/22/2012 09:12AM
Re: Order By Slows down Joins   491 Rick James 08/23/2012 08:56PM
always uses filesort even after adding indexes   1,117 Pranav Gore 08/22/2012 02:49AM
Re: always uses filesort even after adding indexes   551 Rick James 08/22/2012 10:52PM
STRAIGHT_JOIN for OUTER JOINGS   1,239 Paul Tsui 08/19/2012 08:28PM
Re: STRAIGHT_JOIN for OUTER JOINGS   670 Øystein Grøvlen 08/20/2012 05:16AM
CPU usage 99% - and query very slow - help   1,897 irox ferenc 08/03/2012 10:49AM
Re: CPU usage 99% - and query very slow - help   914 Rick James 08/04/2012 01:36PM
Re: CPU usage 99% - and query very slow - help   1,133 robert eeeeee 08/06/2012 01:04PM
Re: CPU usage 99% - and query very slow - help   817 Øystein Grøvlen 08/15/2012 03:09AM
Execution plan: wrong index selected, very poor performance.   1,638 Andrej Andrejevic 07/18/2012 10:31AM
Re: Execution plan: wrong index selected, very poor performance.   769 Rick James 07/19/2012 10:07PM
Re: Execution plan: wrong index selected, very poor performance.   734 Andrej Andrejevic 07/20/2012 01:38AM
Re: Execution plan: wrong index selected, very poor performance.   627 Andrej Andrejevic 07/24/2012 04:27AM
Re: Execution plan: wrong index selected, very poor performance.   656 Rick James 07/25/2012 12:21AM
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