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Subject Views Written By Posted
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   1,426 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   2,281 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   902 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   1,184 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   885 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   945 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   820 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   904 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   848 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,629 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   830 Rick James 12/21/2012 12:49PM
mysql subquery query optimization question   1,667 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   789 Rick James 01/13/2013 11:30AM
Create a New Datatype   1,496 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   744 Rick James 01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys   1,424 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   2,497 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   1,046 Rick James 12/08/2012 01:33PM
Complex query - need advise   1,628 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   825 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   810 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   1,101 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,482 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   807 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   742 Chris Slominski 10/25/2012 06:15AM
JOIN query too slow   1,571 N. Kovac 10/13/2012 11:52AM
Re: JOIN query too slow   756 Peter Brawley 10/14/2012 10:26AM
Re: JOIN query too slow   749 Rick James 10/16/2012 07:48PM
bulk update very slow   3,335 james che 09/25/2012 02:51PM
Re: bulk update very slow   1,222 james che 09/26/2012 02:58PM
Re: bulk update very slow   1,175 Rick James 09/27/2012 08:19PM
Re: bulk update very slow   1,299 Jørgen Løland 09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?   1,565 Daniel Estrada 09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?   878 Rick James 09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?   955 Daniel Estrada 09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?   780 Rick James 09/24/2012 11:43PM
Join? Union? I am so lost.   1,464 Hank Reardon 09/17/2012 09:09AM
Re: Join? Union? I am so lost.   724 Rick James 09/18/2012 07:48AM
How make indexes work with group by statement   1,410 Adnan Raza 09/13/2012 12:48AM
Re: How make indexes work with group by statement   735 Rick James 09/15/2012 10:34PM
Re: How make indexes work with group by statement   791 Jørgen Løland 09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   1,632 Dominik Bieringer 09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   769 Rick James 09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   764 Øystein Grøvlen 09/06/2012 04:32AM
optimize the query   1,460 ch srinivas 08/27/2012 10:47PM
Re: optimize the query   827 Øystein Grøvlen 08/28/2012 01:43AM
Re: optimize the query   758 ch srinivas 08/29/2012 04:15AM
Re: optimize the query   747 Øystein Grøvlen 08/29/2012 04:39AM
Re: optimize the query   695 ch srinivas 08/29/2012 05:38AM
Re: optimize the query   760 Rick James 08/30/2012 07:20AM
Query with GROUP BY not using Index   1,748 Imran Akbar 08/14/2012 01:06PM
Re: Query with GROUP BY not using Index   849 Øystein Grøvlen 08/15/2012 02:46AM
Re: Query with GROUP BY not using Index   777 Imran Akbar 08/16/2012 10:30AM
Re: Query with GROUP BY not using Index   844 Øystein Grøvlen 08/17/2012 02:58AM
Re: Query with GROUP BY not using Index   837 Rick James 08/18/2012 10:30PM
Re: Query with GROUP BY not using Index   748 Imran Akbar 08/24/2012 12:41PM
Re: Query with GROUP BY not using Index   824 Øystein Grøvlen 08/28/2012 03:11AM
Re: Query with GROUP BY not using Index   807 Imran Akbar 08/28/2012 06:21PM
Re: Query with GROUP BY not using Index   922 Øystein Grøvlen 08/29/2012 01:28AM
Re: Query with GROUP BY not using Index   768 Imran Akbar 08/29/2012 10:36AM
CONCAT and Index in where clause   5,056 Aurelien PANIZZA 08/22/2012 08:45AM
Re: CONCAT and Index in where clause   2,040 Øystein Grøvlen 08/23/2012 01:15AM
Re: CONCAT and Index in where clause   1,733 Rick James 08/23/2012 09:13PM
Re: CONCAT and Index in where clause   1,686 Aurelien PANIZZA 08/27/2012 09:53AM
Re: CONCAT and Index in where clause   1,879 Øystein Grøvlen 08/28/2012 02:50AM
Simple query spending too much time in 'statistics' state without reason   5,855 Vincent B. 08/21/2012 06:19AM
Re: Simple query spending too much time in 'statistics' state without reason   3,345 Jørgen Løland 08/24/2012 06:24AM
Re: Simple query spending too much time in 'statistics' state without reason   2,522 Vincent B. 08/28/2012 01:53AM
Re: Simple query spending too much time in 'statistics' state without reason   3,135 Rick James 08/22/2012 07:44PM
Order By Slows down Joins   2,345 Sami BH 08/22/2012 09:12AM
Re: Order By Slows down Joins   671 Rick James 08/23/2012 08:56PM
always uses filesort even after adding indexes   1,427 Pranav Gore 08/22/2012 02:49AM
Re: always uses filesort even after adding indexes   695 Rick James 08/22/2012 10:52PM
STRAIGHT_JOIN for OUTER JOINGS   1,793 Paul Tsui 08/19/2012 08:28PM
Re: STRAIGHT_JOIN for OUTER JOINGS   913 Øystein Grøvlen 08/20/2012 05:16AM
CPU usage 99% - and query very slow - help   2,917 irox ferenc 08/03/2012 10:49AM
Re: CPU usage 99% - and query very slow - help   1,119 Rick James 08/04/2012 01:36PM
Re: CPU usage 99% - and query very slow - help   1,618 robert eeeeee 08/06/2012 01:04PM
Re: CPU usage 99% - and query very slow - help   1,013 Øystein Grøvlen 08/15/2012 03:09AM
Execution plan: wrong index selected, very poor performance.   2,309 Andrej Andrejevic 07/18/2012 10:31AM
Re: Execution plan: wrong index selected, very poor performance.   1,016 Rick James 07/19/2012 10:07PM
Re: Execution plan: wrong index selected, very poor performance.   921 Andrej Andrejevic 07/20/2012 01:38AM
Re: Execution plan: wrong index selected, very poor performance.   821 Andrej Andrejevic 07/24/2012 04:27AM
Re: Execution plan: wrong index selected, very poor performance.   837 Rick James 07/25/2012 12:21AM
Index for Query   1,565 dileep ch 07/17/2012 12:41AM
Re: Index for Query   769 Rick James 07/17/2012 10:36PM
Re: Index for Query   795 dileep ch 07/18/2012 11:52PM
Re: Index for Query   1,278 Rick James 07/19/2012 09:49PM
best way to optimize this query   1,562 Jap bn 07/14/2012 09:54AM
Re: best way to optimize this query   1,091 Rick James 07/15/2012 10:11PM
Optimizer being overly aggressive   1,456 Adrian Cornish 07/06/2012 08:18PM
Re: Optimizer being overly aggressive   771 Rick James 07/10/2012 12:49PM
Re: Optimizer being overly aggressive   816 Adrian Cornish 07/10/2012 08:54PM
multiple-column index and order by   1,568 Raphael Hoffmann 07/06/2012 05:59PM
Re: multiple-column index and order by   801 Rick James 07/10/2012 12:55PM
From Months to Seconds with Subquery Materialization   1,145 Edwin DeSouza 07/09/2012 11:15AM
performing mysqldump corrected query issue?   1,386 Peter Sylvester 06/26/2012 01:12PM
Re: performing mysqldump corrected query issue?   809 Rick James 07/01/2012 06:43PM
Re: performing mysqldump corrected query issue?   692 Peter Sylvester 06/26/2012 02:08PM
difference between READ and SCAN   1,280 Linhai Song 06/20/2012 04:05PM
Re: difference between READ and SCAN   633 Rick James 06/20/2012 08:23PM
Re: difference between READ and SCAN   776 Linhai Song 06/21/2012 12:19PM
to optimize a self join request   1,200 Oracleuser user 06/14/2012 08:23AM
Re: to optimize a self join request   777 Rick James 06/15/2012 08:19AM
Call out for FULL JOIN - bug #18003   1,350 ted strauss 06/14/2012 10:23AM
Re: Call out for FULL JOIN - bug #18003   624 ted strauss 06/14/2012 12:13PM
index cannot be used when passing 'int' to 'varchar'   1,677 liao zhifeng 06/10/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   714 Rick James 06/11/2012 11:27PM
Re: index cannot be used when passing 'int' to 'varchar'   745 liao zhifeng 06/12/2012 12:48AM
Re: index cannot be used when passing 'int' to 'varchar'   769 Rick James 06/12/2012 09:23PM
Re: index cannot be used when passing 'int' to 'varchar'   842 liao zhifeng 06/12/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   718 Rick James 06/13/2012 07:15PM
Re: index cannot be used when passing 'int' to 'varchar'   729 liao zhifeng 06/13/2012 10:35PM
Table does not support optimize...   1,847 Piotr Ch 06/02/2012 12:58AM
Querying a fast subquery never returns   1,226 Eric Coll 05/22/2012 05:15PM
Re: Querying a fast subquery never returns   715 Eric Coll 05/22/2012 05:19PM
Re: Querying a fast subquery never returns   767 Rick James 05/24/2012 12:40AM
Re: Querying a fast subquery never returns   840 Eric Coll 05/25/2012 11:15AM
Re: Querying a fast subquery never returns   767 Rick James 05/26/2012 10:59AM
table index optimization   1,297 Matus Zeman 05/01/2012 10:55AM
Re: table index optimization   720 Rick James 05/02/2012 07:08PM
Re: table index optimization   768 Rick James 05/05/2012 09:07AM
Re: table index optimization   712 Matus Zeman 05/17/2012 09:25AM
Re: table index optimization   907 Matus Zeman 05/04/2012 08:20AM
Query execution plan   1,664 Chris Slominski 05/08/2012 12:38PM
Re: Query execution plan   747 Rick James 05/09/2012 09:35PM
Re: Query execution plan   849 Chris Slominski 05/10/2012 08:29AM
Re: Query execution plan   869 Rick James 05/11/2012 07:16PM
Re: Query execution plan   836 Chris Slominski 05/14/2012 05:27AM
Re: Query execution plan   764 Rick James 05/15/2012 07:22PM
Re: Query execution plan   686 Chris Slominski 05/09/2012 11:08AM
limit & scala subquery   1,298 jongse park 05/08/2012 10:33PM
Re: limit & scala subquery   629 Rick James 05/09/2012 09:21PM
Mysql slow upadte   1,081 krishna krishna 04/30/2012 06:09AM
1000 Columns, 1000 Tables, or what?   1,443 Fernando Oliveira 04/19/2012 08:09AM
Re: 1000 Columns, 1000 Tables, or what?   770 Rick James 04/20/2012 06:50PM
Re: 1000 Columns, 1000 Tables, or what?   653 Fernando Oliveira 04/23/2012 08:10AM
Re: 1000 Columns, 1000 Tables, or what?   887 Rick James 04/26/2012 07:59AM
Help with query/tables optimization   1,194 Oleg Ivanov 04/14/2012 05:20AM
Re: Help with query/tables optimization   737 Rick James 04/16/2012 12:05AM
Re: Help with query/tables optimization   756 Oleg Ivanov 04/16/2012 11:53AM
Re: Help with query/tables optimization   932 Oleg Ivanov 04/16/2012 12:04PM
Identical servers different plan for the same query   1,760 Eric Coll 04/07/2012 01:20AM
Re: Identical servers different plan for the same query   692 Eric Coll 04/10/2012 03:28PM
Re: Identical servers different plan for the same query   756 Rick James 04/10/2012 10:29PM
Re: Identical servers different plan for the same query   740 Eric Coll 04/11/2012 10:05AM
Re: Identical servers different plan for the same query   780 Rick James 04/12/2012 08:56AM
Re: Identical servers different plan for the same query   753 Eric Coll 04/12/2012 03:23PM
Re: Identical servers different plan for the same query   766 Rick James 04/13/2012 03:49PM
Re: Identical servers different plan for the same query   775 Eric Coll 04/07/2012 09:55AM
Re: Identical servers different plan for the same query   764 irek kordirko 04/07/2012 02:54PM
Re: Identical servers different plan for the same query   997 Rick James 04/08/2012 12:20PM
Re: Identical servers different plan for the same query   1,025 Eric Coll 04/09/2012 10:24AM
Re: Identical servers different plan for the same query   698 Eric Coll 04/09/2012 10:35AM
Re: Identical servers different plan for the same query   698 Eric Coll 04/09/2012 10:37AM
Re: Identical servers different plan for the same query   739 Eric Coll 04/09/2012 10:42AM
MySQL Optimizer: Improved DBT-3 Results with MySQL 5.6.5   1,036 Edwin DeSouza 04/10/2012 05:31PM
MySQL Optimizer: Improvements for many-table joins   1,044 Edwin DeSouza 04/10/2012 02:54PM
MySQL Optimizer Team Blog   1,079 Edwin DeSouza 04/10/2012 01:58PM
MySQL Optimizer: Index Condition Pushdown to the rescue!   908 Edwin DeSouza 04/10/2012 01:56PM
MySQL Optimizer: Semi-join in MySQL 5.6   840 Edwin DeSouza 04/10/2012 01:56PM
MySQL Optimizer: On queries with many values in the IN clause   950 Edwin DeSouza 04/10/2012 01:55PM
MySQL Optimizer: Faster subqueries with materialization   870 Edwin DeSouza 04/10/2012 01:54PM
This topic has been moved.:  difference between READ and SCAN   0 Linhai Song 06/20/2012 05:47PM
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