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Subject Views Written By Posted
MySQL Optimizer: InnoDB extended secondary keys   1,372 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   2,301 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   983 Rick James 12/08/2012 01:33PM
Complex query - need advise   1,555 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   781 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   774 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   1,059 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,426 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   774 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   715 Chris Slominski 10/25/2012 06:15AM
JOIN query too slow   1,518 N. Kovac 10/13/2012 11:52AM
Re: JOIN query too slow   728 Peter Brawley 10/14/2012 10:26AM
Re: JOIN query too slow   712 Rick James 10/16/2012 07:48PM
bulk update very slow   3,196 james che 09/25/2012 02:51PM
Re: bulk update very slow   1,171 james che 09/26/2012 02:58PM
Re: bulk update very slow   1,122 Rick James 09/27/2012 08:19PM
Re: bulk update very slow   1,250 Jørgen Løland 09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?   1,501 Daniel Estrada 09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?   839 Rick James 09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?   912 Daniel Estrada 09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?   745 Rick James 09/24/2012 11:43PM
Join? Union? I am so lost.   1,386 Hank Reardon 09/17/2012 09:09AM
Re: Join? Union? I am so lost.   684 Rick James 09/18/2012 07:48AM
How make indexes work with group by statement   1,361 Adnan Raza 09/13/2012 12:48AM
Re: How make indexes work with group by statement   706 Rick James 09/15/2012 10:34PM
Re: How make indexes work with group by statement   753 Jørgen Løland 09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   1,565 Dominik Bieringer 09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   744 Rick James 09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   734 Øystein Grøvlen 09/06/2012 04:32AM
optimize the query   1,395 ch srinivas 08/27/2012 10:47PM
Re: optimize the query   756 Øystein Grøvlen 08/28/2012 01:43AM
Re: optimize the query   718 ch srinivas 08/29/2012 04:15AM
Re: optimize the query   709 Øystein Grøvlen 08/29/2012 04:39AM
Re: optimize the query   657 ch srinivas 08/29/2012 05:38AM
Re: optimize the query   709 Rick James 08/30/2012 07:20AM
Query with GROUP BY not using Index   1,658 Imran Akbar 08/14/2012 01:06PM
Re: Query with GROUP BY not using Index   812 Øystein Grøvlen 08/15/2012 02:46AM
Re: Query with GROUP BY not using Index   739 Imran Akbar 08/16/2012 10:30AM
Re: Query with GROUP BY not using Index   797 Øystein Grøvlen 08/17/2012 02:58AM
Re: Query with GROUP BY not using Index   782 Rick James 08/18/2012 10:30PM
Re: Query with GROUP BY not using Index   725 Imran Akbar 08/24/2012 12:41PM
Re: Query with GROUP BY not using Index   782 Øystein Grøvlen 08/28/2012 03:11AM
Re: Query with GROUP BY not using Index   772 Imran Akbar 08/28/2012 06:21PM
Re: Query with GROUP BY not using Index   854 Øystein Grøvlen 08/29/2012 01:28AM
Re: Query with GROUP BY not using Index   744 Imran Akbar 08/29/2012 10:36AM
CONCAT and Index in where clause   4,512 Aurelien PANIZZA 08/22/2012 08:45AM
Re: CONCAT and Index in where clause   1,852 Øystein Grøvlen 08/23/2012 01:15AM
Re: CONCAT and Index in where clause   1,579 Rick James 08/23/2012 09:13PM
Re: CONCAT and Index in where clause   1,550 Aurelien PANIZZA 08/27/2012 09:53AM
Re: CONCAT and Index in where clause   1,744 Øystein Grøvlen 08/28/2012 02:50AM
Simple query spending too much time in 'statistics' state without reason   5,268 Vincent B. 08/21/2012 06:19AM
Re: Simple query spending too much time in 'statistics' state without reason   2,971 Jørgen Løland 08/24/2012 06:24AM
Re: Simple query spending too much time in 'statistics' state without reason   2,270 Vincent B. 08/28/2012 01:53AM
Re: Simple query spending too much time in 'statistics' state without reason   2,798 Rick James 08/22/2012 07:44PM
Order By Slows down Joins   2,205 Sami BH 08/22/2012 09:12AM
Re: Order By Slows down Joins   643 Rick James 08/23/2012 08:56PM
always uses filesort even after adding indexes   1,364 Pranav Gore 08/22/2012 02:49AM
Re: always uses filesort even after adding indexes   659 Rick James 08/22/2012 10:52PM
STRAIGHT_JOIN for OUTER JOINGS   1,643 Paul Tsui 08/19/2012 08:28PM
Re: STRAIGHT_JOIN for OUTER JOINGS   870 Øystein Grøvlen 08/20/2012 05:16AM
CPU usage 99% - and query very slow - help   2,781 irox ferenc 08/03/2012 10:49AM
Re: CPU usage 99% - and query very slow - help   1,075 Rick James 08/04/2012 01:36PM
Re: CPU usage 99% - and query very slow - help   1,517 robert eeeeee 08/06/2012 01:04PM
Re: CPU usage 99% - and query very slow - help   968 Øystein Grøvlen 08/15/2012 03:09AM
Execution plan: wrong index selected, very poor performance.   2,154 Andrej Andrejevic 07/18/2012 10:31AM
Re: Execution plan: wrong index selected, very poor performance.   948 Rick James 07/19/2012 10:07PM
Re: Execution plan: wrong index selected, very poor performance.   879 Andrej Andrejevic 07/20/2012 01:38AM
Re: Execution plan: wrong index selected, very poor performance.   780 Andrej Andrejevic 07/24/2012 04:27AM
Re: Execution plan: wrong index selected, very poor performance.   791 Rick James 07/25/2012 12:21AM
Index for Query   1,480 dileep ch 07/17/2012 12:41AM
Re: Index for Query   738 Rick James 07/17/2012 10:36PM
Re: Index for Query   767 dileep ch 07/18/2012 11:52PM
Re: Index for Query   1,235 Rick James 07/19/2012 09:49PM
best way to optimize this query   1,499 Jap bn 07/14/2012 09:54AM
Re: best way to optimize this query   1,058 Rick James 07/15/2012 10:11PM
Optimizer being overly aggressive   1,396 Adrian Cornish 07/06/2012 08:18PM
Re: Optimizer being overly aggressive   731 Rick James 07/10/2012 12:49PM
Re: Optimizer being overly aggressive   770 Adrian Cornish 07/10/2012 08:54PM
multiple-column index and order by   1,433 Raphael Hoffmann 07/06/2012 05:59PM
Re: multiple-column index and order by   772 Rick James 07/10/2012 12:55PM
From Months to Seconds with Subquery Materialization   1,102 Edwin DeSouza 07/09/2012 11:15AM
performing mysqldump corrected query issue?   1,314 Peter Sylvester 06/26/2012 01:12PM
Re: performing mysqldump corrected query issue?   774 Rick James 07/01/2012 06:43PM
Re: performing mysqldump corrected query issue?   666 Peter Sylvester 06/26/2012 02:08PM
difference between READ and SCAN   1,245 Linhai Song 06/20/2012 04:05PM
Re: difference between READ and SCAN   613 Rick James 06/20/2012 08:23PM
Re: difference between READ and SCAN   744 Linhai Song 06/21/2012 12:19PM
to optimize a self join request   1,138 Oracleuser user 06/14/2012 08:23AM
Re: to optimize a self join request   755 Rick James 06/15/2012 08:19AM
Call out for FULL JOIN - bug #18003   1,310 ted strauss 06/14/2012 10:23AM
Re: Call out for FULL JOIN - bug #18003   602 ted strauss 06/14/2012 12:13PM
index cannot be used when passing 'int' to 'varchar'   1,588 liao zhifeng 06/10/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   678 Rick James 06/11/2012 11:27PM
Re: index cannot be used when passing 'int' to 'varchar'   715 liao zhifeng 06/12/2012 12:48AM
Re: index cannot be used when passing 'int' to 'varchar'   732 Rick James 06/12/2012 09:23PM
Re: index cannot be used when passing 'int' to 'varchar'   804 liao zhifeng 06/12/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   687 Rick James 06/13/2012 07:15PM
Re: index cannot be used when passing 'int' to 'varchar'   690 liao zhifeng 06/13/2012 10:35PM
Table does not support optimize...   1,694 Piotr Ch 06/02/2012 12:58AM
Querying a fast subquery never returns   1,167 Eric Coll 05/22/2012 05:15PM
Re: Querying a fast subquery never returns   687 Eric Coll 05/22/2012 05:19PM
Re: Querying a fast subquery never returns   735 Rick James 05/24/2012 12:40AM
Re: Querying a fast subquery never returns   786 Eric Coll 05/25/2012 11:15AM
Re: Querying a fast subquery never returns   738 Rick James 05/26/2012 10:59AM
table index optimization   1,217 Matus Zeman 05/01/2012 10:55AM
Re: table index optimization   698 Rick James 05/02/2012 07:08PM
Re: table index optimization   728 Rick James 05/05/2012 09:07AM
Re: table index optimization   688 Matus Zeman 05/17/2012 09:25AM
Re: table index optimization   870 Matus Zeman 05/04/2012 08:20AM
Query execution plan   1,527 Chris Slominski 05/08/2012 12:38PM
Re: Query execution plan   713 Rick James 05/09/2012 09:35PM
Re: Query execution plan   818 Chris Slominski 05/10/2012 08:29AM
Re: Query execution plan   841 Rick James 05/11/2012 07:16PM
Re: Query execution plan   789 Chris Slominski 05/14/2012 05:27AM
Re: Query execution plan   730 Rick James 05/15/2012 07:22PM
Re: Query execution plan   656 Chris Slominski 05/09/2012 11:08AM
limit & scala subquery   1,255 jongse park 05/08/2012 10:33PM
Re: limit & scala subquery   598 Rick James 05/09/2012 09:21PM
Mysql slow upadte   1,025 krishna krishna 04/30/2012 06:09AM
1000 Columns, 1000 Tables, or what?   1,363 Fernando Oliveira 04/19/2012 08:09AM
Re: 1000 Columns, 1000 Tables, or what?   742 Rick James 04/20/2012 06:50PM
Re: 1000 Columns, 1000 Tables, or what?   631 Fernando Oliveira 04/23/2012 08:10AM
Re: 1000 Columns, 1000 Tables, or what?   851 Rick James 04/26/2012 07:59AM
Help with query/tables optimization   1,139 Oleg Ivanov 04/14/2012 05:20AM
Re: Help with query/tables optimization   699 Rick James 04/16/2012 12:05AM
Re: Help with query/tables optimization   715 Oleg Ivanov 04/16/2012 11:53AM
Re: Help with query/tables optimization   901 Oleg Ivanov 04/16/2012 12:04PM
Identical servers different plan for the same query   1,662 Eric Coll 04/07/2012 01:20AM
Re: Identical servers different plan for the same query   643 Eric Coll 04/10/2012 03:28PM
Re: Identical servers different plan for the same query   700 Rick James 04/10/2012 10:29PM
Re: Identical servers different plan for the same query   697 Eric Coll 04/11/2012 10:05AM
Re: Identical servers different plan for the same query   730 Rick James 04/12/2012 08:56AM
Re: Identical servers different plan for the same query   706 Eric Coll 04/12/2012 03:23PM
Re: Identical servers different plan for the same query   718 Rick James 04/13/2012 03:49PM
Re: Identical servers different plan for the same query   724 Eric Coll 04/07/2012 09:55AM
Re: Identical servers different plan for the same query   708 irek kordirko 04/07/2012 02:54PM
Re: Identical servers different plan for the same query   932 Rick James 04/08/2012 12:20PM
Re: Identical servers different plan for the same query   970 Eric Coll 04/09/2012 10:24AM
Re: Identical servers different plan for the same query   663 Eric Coll 04/09/2012 10:35AM
Re: Identical servers different plan for the same query   668 Eric Coll 04/09/2012 10:37AM
Re: Identical servers different plan for the same query   692 Eric Coll 04/09/2012 10:42AM
MySQL Optimizer: Improved DBT-3 Results with MySQL 5.6.5   996 Edwin DeSouza 04/10/2012 05:31PM
MySQL Optimizer: Improvements for many-table joins   994 Edwin DeSouza 04/10/2012 02:54PM
MySQL Optimizer Team Blog   1,029 Edwin DeSouza 04/10/2012 01:58PM
MySQL Optimizer: Index Condition Pushdown to the rescue!   868 Edwin DeSouza 04/10/2012 01:56PM
MySQL Optimizer: Semi-join in MySQL 5.6   809 Edwin DeSouza 04/10/2012 01:56PM
MySQL Optimizer: On queries with many values in the IN clause   902 Edwin DeSouza 04/10/2012 01:55PM
MySQL Optimizer: Faster subqueries with materialization   827 Edwin DeSouza 04/10/2012 01:54PM
MySQL Optimizer: Structured EXPLAIN (JSON)   1,220 Edwin DeSouza 04/10/2012 01:54PM
LEFT JOIN WHERE GROUP BY   1,601 Daniel Flöijer 04/02/2012 02:51AM
Re: LEFT JOIN WHERE GROUP BY   895 Rick James 04/05/2012 08:01PM
Re: LEFT JOIN WHERE GROUP BY   609 irek kordirko 04/02/2012 12:04PM
Re: LEFT JOIN WHERE GROUP BY   668 Daniel Flöijer 04/02/2012 01:24PM
Re: LEFT JOIN WHERE GROUP BY   672 irek kordirko 04/02/2012 04:29PM
Re: LEFT JOIN WHERE GROUP BY   835 Daniel Flöijer 04/03/2012 12:50AM
Re: LEFT JOIN WHERE GROUP BY   667 irek kordirko 04/03/2012 05:40PM
Re: LEFT JOIN WHERE GROUP BY   755 Daniel Flöijer 04/03/2012 11:22PM
Re: LEFT JOIN WHERE GROUP BY   664 irek kordirko 04/04/2012 05:12PM
Re: LEFT JOIN WHERE GROUP BY   509 Daniel Flöijer 04/04/2012 11:10PM
Explain the order of query   1,291 jongse park 03/19/2012 01:49AM
Re: Explain the order of query   642 Rick James 03/19/2012 10:38PM
Re: Explain the order of query   679 jongse park 03/21/2012 07:06PM
Re: Explain the order of query   769 Jørgen Løland 03/28/2012 05:06AM
Re: Explain the order of query   548 Rick James 03/22/2012 06:01PM
Re: Explain the order of query   572 jongse park 03/22/2012 08:13PM
Re: Explain the order of query   548 Rick James 03/23/2012 07:57PM
Queries using JOIN and ORDER BY LIMIT   2,912 Nikita Dubrovsky 03/10/2012 01:11PM
Re: Queries using JOIN and ORDER BY LIMIT   881 irek kordirko 03/12/2012 06:18PM
Re: Queries using JOIN and ORDER BY LIMIT   855 Rick James 03/13/2012 11:07PM
Re: Queries using JOIN and ORDER BY LIMIT   797 Nikita Dubrovsky 03/14/2012 08:45AM
Re: Queries using JOIN and ORDER BY LIMIT   995 Rick James 03/15/2012 10:50AM
Obfuscate Functions and Procedures   1,026 Tremal Naik 03/12/2012 05:00AM
Re: Obfuscate Functions and Procedures   821 Rick James 03/13/2012 10:46PM
This topic has been moved.:  difference between READ and SCAN   0 Linhai Song 06/20/2012 05:47PM
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