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Subject Views Written By Posted
Optimizer executes inperformant subquery first   2,162 Martin Kirchner 12/06/2013 07:12AM
Re: Optimizer executes inperformant subquery first   918 Rick James 12/07/2013 02:30PM
Re: Optimizer executes inperformant subquery first   1,145 Martin Kirchner 12/07/2013 03:49PM
Re: Optimizer executes inperformant subquery first   1,214 Øystein Grøvlen 12/09/2013 09:48AM
Re: Optimizer executes inperformant subquery first   991 Martin Kirchner 12/18/2013 03:04AM
Re: Optimizer executes inperformant subquery first   955 Øystein Grøvlen 12/19/2013 02:45AM
Re: Optimizer executes inperformant subquery first   908 Martin Kirchner 12/20/2013 02:24AM
Re: Optimizer executes inperformant subquery first   890 Øystein Grøvlen 12/23/2013 08:07AM
Re: Optimizer executes inperformant subquery first   923 Rick James 12/23/2013 01:11PM
Re: Optimizer executes inperformant subquery first   1,030 Martin Kirchner 12/18/2013 05:16AM
Re: Optimizer executes inperformant subquery first   1,030 Rick James 12/18/2013 06:49PM
Re: Optimizer executes inperformant subquery first   968 Øystein Grøvlen 12/19/2013 02:49AM
my.cnf   1,735 Juan Medina 10/27/2013 02:08PM
Re: my.cnf   885 Rick James 10/29/2013 07:12PM
my.cnf optimization please help   2,426 Ivan Kratunkov 10/28/2013 03:39AM
Re: my.cnf optimization please help   977 Rick James 10/29/2013 07:10PM
MySQL Optimizer: Features in MySQL 5.7   1,451 Edwin Desouza 10/18/2013 09:33AM
I need help in optimzing a order by clause in a join query   1,627 George Maharis 10/08/2013 12:09PM
Re: I need help in optimzing a order by clause in a join query   918 Rick James 10/10/2013 09:34PM
Re: I need help in optimzing a order by clause in a join query   895 George Maharis 10/12/2013 02:07PM
Re: I need help in optimzing a order by clause in a join query   860 Rick James 10/16/2013 08:36PM
MySQL My.cnf Config Help   1,754 Mathieu Louis 10/03/2013 09:32PM
Very slow dependent subquery   1,904 patrick canarelli 09/18/2013 03:06AM
Re: Very slow dependent subquery   1,040 Øystein Grøvlen 09/18/2013 07:06AM
Re: Very slow dependent subquery   1,008 patrick canarelli 09/18/2013 07:51AM
Re: Very slow dependent subquery   1,021 Øystein Grøvlen 09/18/2013 02:57PM
Re: Very slow dependent subquery   929 Peter Brawley 09/18/2013 02:13PM
Re: Very slow dependent subquery   970 patrick canarelli 09/18/2013 03:10PM
Re: Very slow dependent subquery   962 Rick James 09/24/2013 10:04PM
Re: Very slow dependent subquery   1,073 patrick canarelli 09/25/2013 12:53AM
big database +1 million rows/days   1,996 khaoula el hammoumi 09/11/2013 04:06AM
Re: big database +1 million rows/days   956 khaoula el hammoumi 09/12/2013 01:37AM
Re: big database +1 million rows/days   948 Rick James 09/13/2013 10:59PM
Optimize query join with 25,000 records   1,664 Andrea Presazzi 08/26/2013 02:27AM
Re: Optimize query join with 25,000 records   880 Rick James 08/31/2013 04:19PM
Index not used for JOIN on compound key plus WHERE range filter   2,480 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   1,162 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   1,013 Rick James 08/31/2013 04:13PM
query index not used   1,421 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   809 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   1,945 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   1,009 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   923 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   807 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   894 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   916 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   916 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   912 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   1,571 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   797 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   2,553 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,198 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,105 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,089 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   986 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,032 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,037 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,853 Rick James 06/04/2013 11:49PM
Query optimization   2,013 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   1,023 Rick James 05/12/2013 08:42PM
Re: Query optimization   982 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   940 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   956 Rick James 05/16/2013 08:18AM
Re: Query optimization   947 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   956 Rick James 05/17/2013 11:47PM
Re: Query optimization   885 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   960 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   1,483 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   2,357 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   981 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   4,944 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   1,342 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   1,308 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   1,198 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   1,191 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   1,099 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   1,087 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   1,396 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   1,195 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   1,100 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   1,144 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   1,142 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   1,105 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   1,071 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   1,110 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   1,180 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   1,569 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   1,171 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   1,166 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   1,191 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   1,229 David Marcus 02/03/2013 04:15PM
Very slow query, help please   1,900 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   1,075 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   1,071 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   1,147 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   1,565 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   5,931 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   2,133 Rick James 01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   1,672 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   2,685 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   1,111 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   1,386 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   1,028 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   1,099 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   949 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   1,053 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   1,025 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,894 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   975 Rick James 12/21/2012 12:49PM
mysql subquery query optimization question   2,023 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   947 Rick James 01/13/2013 11:30AM
Create a New Datatype   1,803 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   897 Rick James 01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys   1,724 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   3,098 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   1,259 Rick James 12/08/2012 01:33PM
Complex query - need advise   2,009 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   1,035 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   980 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   1,312 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,784 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   947 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   825 Chris Slominski 10/25/2012 06:15AM
JOIN query too slow   1,846 N. Kovac 10/13/2012 11:52AM
Re: JOIN query too slow   867 Peter Brawley 10/14/2012 10:26AM
Re: JOIN query too slow   889 Rick James 10/16/2012 07:48PM
bulk update very slow   3,915 james che 09/25/2012 02:51PM
Re: bulk update very slow   1,416 james che 09/26/2012 02:58PM
Re: bulk update very slow   1,344 Rick James 09/27/2012 08:19PM
Re: bulk update very slow   1,474 Jørgen Løland 09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?   1,915 Daniel Estrada 09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?   1,039 Rick James 09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?   1,134 Daniel Estrada 09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?   902 Rick James 09/24/2012 11:43PM
Join? Union? I am so lost.   1,772 Hank Reardon 09/17/2012 09:09AM
Re: Join? Union? I am so lost.   866 Rick James 09/18/2012 07:48AM
How make indexes work with group by statement   1,684 Adnan Raza 09/13/2012 12:48AM
Re: How make indexes work with group by statement   898 Rick James 09/15/2012 10:34PM
Re: How make indexes work with group by statement   950 Jørgen Løland 09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   1,959 Dominik Bieringer 09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   895 Rick James 09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   907 Øystein Grøvlen 09/06/2012 04:32AM
optimize the query   1,791 ch srinivas 08/27/2012 10:47PM
Re: optimize the query   963 Øystein Grøvlen 08/28/2012 01:43AM
Re: optimize the query   848 ch srinivas 08/29/2012 04:15AM
Re: optimize the query   844 Øystein Grøvlen 08/29/2012 04:39AM
Re: optimize the query   824 ch srinivas 08/29/2012 05:38AM
Re: optimize the query   892 Rick James 08/30/2012 07:20AM
Query with GROUP BY not using Index   2,088 Imran Akbar 08/14/2012 01:06PM
Re: Query with GROUP BY not using Index   989 Øystein Grøvlen 08/15/2012 02:46AM
Re: Query with GROUP BY not using Index   953 Imran Akbar 08/16/2012 10:30AM
Re: Query with GROUP BY not using Index   989 Øystein Grøvlen 08/17/2012 02:58AM
Re: Query with GROUP BY not using Index   943 Rick James 08/18/2012 10:30PM
Re: Query with GROUP BY not using Index   880 Imran Akbar 08/24/2012 12:41PM
Re: Query with GROUP BY not using Index   964 Øystein Grøvlen 08/28/2012 03:11AM
Re: Query with GROUP BY not using Index   949 Imran Akbar 08/28/2012 06:21PM
Re: Query with GROUP BY not using Index   1,147 Øystein Grøvlen 08/29/2012 01:28AM
Re: Query with GROUP BY not using Index   905 Imran Akbar 08/29/2012 10:36AM
CONCAT and Index in where clause   7,136 Aurelien PANIZZA 08/22/2012 08:45AM
Re: CONCAT and Index in where clause   2,776 Øystein Grøvlen 08/23/2012 01:15AM
Re: CONCAT and Index in where clause   2,263 Rick James 08/23/2012 09:13PM
Re: CONCAT and Index in where clause   2,228 Aurelien PANIZZA 08/27/2012 09:53AM
Re: CONCAT and Index in where clause   2,377 Øystein Grøvlen 08/28/2012 02:50AM
Simple query spending too much time in 'statistics' state without reason   8,181 Vincent B. 08/21/2012 06:19AM
Re: Simple query spending too much time in 'statistics' state without reason   4,748 Jørgen Løland 08/24/2012 06:24AM
Re: Simple query spending too much time in 'statistics' state without reason   3,439 Vincent B. 08/28/2012 01:53AM
Re: Simple query spending too much time in 'statistics' state without reason   4,414 Rick James 08/22/2012 07:44PM
Order By Slows down Joins   2,753 Sami BH 08/22/2012 09:12AM
Re: Order By Slows down Joins   795 Rick James 08/23/2012 08:56PM
always uses filesort even after adding indexes   1,749 Pranav Gore 08/22/2012 02:49AM
Re: always uses filesort even after adding indexes   883 Rick James 08/22/2012 10:52PM
STRAIGHT_JOIN for OUTER JOINGS   2,465 Paul Tsui 08/19/2012 08:28PM
Re: STRAIGHT_JOIN for OUTER JOINGS   1,090 Øystein Grøvlen 08/20/2012 05:16AM
CPU usage 99% - and query very slow - help   3,285 irox ferenc 08/03/2012 10:49AM
Re: CPU usage 99% - and query very slow - help   1,292 Rick James 08/04/2012 01:36PM
Re: CPU usage 99% - and query very slow - help   1,924 robert eeeeee 08/06/2012 01:04PM
Re: CPU usage 99% - and query very slow - help   1,191 Øystein Grøvlen 08/15/2012 03:09AM
Execution plan: wrong index selected, very poor performance.   2,823 Andrej Andrejevic 07/18/2012 10:31AM
Re: Execution plan: wrong index selected, very poor performance.   1,207 Rick James 07/19/2012 10:07PM
Re: Execution plan: wrong index selected, very poor performance.   1,096 Andrej Andrejevic 07/20/2012 01:38AM
Re: Execution plan: wrong index selected, very poor performance.   955 Andrej Andrejevic 07/24/2012 04:27AM
Re: Execution plan: wrong index selected, very poor performance.   989 Rick James 07/25/2012 12:21AM
Index for Query   1,818 dileep ch 07/17/2012 12:41AM
Re: Index for Query   876 Rick James 07/17/2012 10:36PM
Re: Index for Query   936 dileep ch 07/18/2012 11:52PM
Re: Index for Query   1,500 Rick James 07/19/2012 09:49PM
best way to optimize this query   1,899 Jap bn 07/14/2012 09:54AM
Re: best way to optimize this query   1,260 Rick James 07/15/2012 10:11PM
Optimizer being overly aggressive   1,820 Adrian Cornish 07/06/2012 08:18PM
Re: Optimizer being overly aggressive   927 Rick James 07/10/2012 12:49PM
Re: Optimizer being overly aggressive   983 Adrian Cornish 07/10/2012 08:54PM
multiple-column index and order by   2,065 Raphael Hoffmann 07/06/2012 05:59PM
Re: multiple-column index and order by   958 Rick James 07/10/2012 12:55PM
From Months to Seconds with Subquery Materialization   1,396 Edwin DeSouza 07/09/2012 11:15AM
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