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Subject Views Written By Posted
MySQL Optimizer: InnoDB extended secondary keys   1,341 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   2,233 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   959 Rick James 12/08/2012 01:33PM
Complex query - need advise   1,523 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   763 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   753 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   1,043 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,400 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   756 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   697 Chris Slominski 10/25/2012 06:15AM
JOIN query too slow   1,486 N. Kovac 10/13/2012 11:52AM
Re: JOIN query too slow   713 Peter Brawley 10/14/2012 10:26AM
Re: JOIN query too slow   700 Rick James 10/16/2012 07:48PM
bulk update very slow   3,145 james che 09/25/2012 02:51PM
Re: bulk update very slow   1,156 james che 09/26/2012 02:58PM
Re: bulk update very slow   1,085 Rick James 09/27/2012 08:19PM
Re: bulk update very slow   1,220 Jørgen Løland 09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?   1,466 Daniel Estrada 09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?   818 Rick James 09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?   892 Daniel Estrada 09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?   729 Rick James 09/24/2012 11:43PM
Join? Union? I am so lost.   1,357 Hank Reardon 09/17/2012 09:09AM
Re: Join? Union? I am so lost.   671 Rick James 09/18/2012 07:48AM
How make indexes work with group by statement   1,331 Adnan Raza 09/13/2012 12:48AM
Re: How make indexes work with group by statement   694 Rick James 09/15/2012 10:34PM
Re: How make indexes work with group by statement   724 Jørgen Løland 09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   1,529 Dominik Bieringer 09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   726 Rick James 09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   718 Øystein Grøvlen 09/06/2012 04:32AM
optimize the query   1,356 ch srinivas 08/27/2012 10:47PM
Re: optimize the query   726 Øystein Grøvlen 08/28/2012 01:43AM
Re: optimize the query   700 ch srinivas 08/29/2012 04:15AM
Re: optimize the query   693 Øystein Grøvlen 08/29/2012 04:39AM
Re: optimize the query   635 ch srinivas 08/29/2012 05:38AM
Re: optimize the query   680 Rick James 08/30/2012 07:20AM
Query with GROUP BY not using Index   1,606 Imran Akbar 08/14/2012 01:06PM
Re: Query with GROUP BY not using Index   784 Øystein Grøvlen 08/15/2012 02:46AM
Re: Query with GROUP BY not using Index   714 Imran Akbar 08/16/2012 10:30AM
Re: Query with GROUP BY not using Index   762 Øystein Grøvlen 08/17/2012 02:58AM
Re: Query with GROUP BY not using Index   750 Rick James 08/18/2012 10:30PM
Re: Query with GROUP BY not using Index   712 Imran Akbar 08/24/2012 12:41PM
Re: Query with GROUP BY not using Index   754 Øystein Grøvlen 08/28/2012 03:11AM
Re: Query with GROUP BY not using Index   753 Imran Akbar 08/28/2012 06:21PM
Re: Query with GROUP BY not using Index   821 Øystein Grøvlen 08/29/2012 01:28AM
Re: Query with GROUP BY not using Index   721 Imran Akbar 08/29/2012 10:36AM
CONCAT and Index in where clause   4,338 Aurelien PANIZZA 08/22/2012 08:45AM
Re: CONCAT and Index in where clause   1,783 Øystein Grøvlen 08/23/2012 01:15AM
Re: CONCAT and Index in where clause   1,507 Rick James 08/23/2012 09:13PM
Re: CONCAT and Index in where clause   1,495 Aurelien PANIZZA 08/27/2012 09:53AM
Re: CONCAT and Index in where clause   1,691 Øystein Grøvlen 08/28/2012 02:50AM
Simple query spending too much time in 'statistics' state without reason   5,051 Vincent B. 08/21/2012 06:19AM
Re: Simple query spending too much time in 'statistics' state without reason   2,849 Jørgen Løland 08/24/2012 06:24AM
Re: Simple query spending too much time in 'statistics' state without reason   2,165 Vincent B. 08/28/2012 01:53AM
Re: Simple query spending too much time in 'statistics' state without reason   2,666 Rick James 08/22/2012 07:44PM
Order By Slows down Joins   2,103 Sami BH 08/22/2012 09:12AM
Re: Order By Slows down Joins   627 Rick James 08/23/2012 08:56PM
always uses filesort even after adding indexes   1,329 Pranav Gore 08/22/2012 02:49AM
Re: always uses filesort even after adding indexes   648 Rick James 08/22/2012 10:52PM
STRAIGHT_JOIN for OUTER JOINGS   1,585 Paul Tsui 08/19/2012 08:28PM
Re: STRAIGHT_JOIN for OUTER JOINGS   848 Øystein Grøvlen 08/20/2012 05:16AM
CPU usage 99% - and query very slow - help   2,734 irox ferenc 08/03/2012 10:49AM
Re: CPU usage 99% - and query very slow - help   1,057 Rick James 08/04/2012 01:36PM
Re: CPU usage 99% - and query very slow - help   1,484 robert eeeeee 08/06/2012 01:04PM
Re: CPU usage 99% - and query very slow - help   950 Øystein Grøvlen 08/15/2012 03:09AM
Execution plan: wrong index selected, very poor performance.   2,087 Andrej Andrejevic 07/18/2012 10:31AM
Re: Execution plan: wrong index selected, very poor performance.   925 Rick James 07/19/2012 10:07PM
Re: Execution plan: wrong index selected, very poor performance.   859 Andrej Andrejevic 07/20/2012 01:38AM
Re: Execution plan: wrong index selected, very poor performance.   747 Andrej Andrejevic 07/24/2012 04:27AM
Re: Execution plan: wrong index selected, very poor performance.   772 Rick James 07/25/2012 12:21AM
Index for Query   1,445 dileep ch 07/17/2012 12:41AM
Re: Index for Query   720 Rick James 07/17/2012 10:36PM
Re: Index for Query   752 dileep ch 07/18/2012 11:52PM
Re: Index for Query   1,210 Rick James 07/19/2012 09:49PM
best way to optimize this query   1,465 Jap bn 07/14/2012 09:54AM
Re: best way to optimize this query   1,032 Rick James 07/15/2012 10:11PM
Optimizer being overly aggressive   1,364 Adrian Cornish 07/06/2012 08:18PM
Re: Optimizer being overly aggressive   709 Rick James 07/10/2012 12:49PM
Re: Optimizer being overly aggressive   741 Adrian Cornish 07/10/2012 08:54PM
multiple-column index and order by   1,388 Raphael Hoffmann 07/06/2012 05:59PM
Re: multiple-column index and order by   761 Rick James 07/10/2012 12:55PM
From Months to Seconds with Subquery Materialization   1,082 Edwin DeSouza 07/09/2012 11:15AM
performing mysqldump corrected query issue?   1,282 Peter Sylvester 06/26/2012 01:12PM
Re: performing mysqldump corrected query issue?   751 Rick James 07/01/2012 06:43PM
Re: performing mysqldump corrected query issue?   652 Peter Sylvester 06/26/2012 02:08PM
difference between READ and SCAN   1,216 Linhai Song 06/20/2012 04:05PM
Re: difference between READ and SCAN   603 Rick James 06/20/2012 08:23PM
Re: difference between READ and SCAN   728 Linhai Song 06/21/2012 12:19PM
to optimize a self join request   1,108 Oracleuser user 06/14/2012 08:23AM
Re: to optimize a self join request   742 Rick James 06/15/2012 08:19AM
Call out for FULL JOIN - bug #18003   1,280 ted strauss 06/14/2012 10:23AM
Re: Call out for FULL JOIN - bug #18003   589 ted strauss 06/14/2012 12:13PM
index cannot be used when passing 'int' to 'varchar'   1,555 liao zhifeng 06/10/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   657 Rick James 06/11/2012 11:27PM
Re: index cannot be used when passing 'int' to 'varchar'   700 liao zhifeng 06/12/2012 12:48AM
Re: index cannot be used when passing 'int' to 'varchar'   718 Rick James 06/12/2012 09:23PM
Re: index cannot be used when passing 'int' to 'varchar'   780 liao zhifeng 06/12/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   662 Rick James 06/13/2012 07:15PM
Re: index cannot be used when passing 'int' to 'varchar'   656 liao zhifeng 06/13/2012 10:35PM
Table does not support optimize...   1,651 Piotr Ch 06/02/2012 12:58AM
Querying a fast subquery never returns   1,128 Eric Coll 05/22/2012 05:15PM
Re: Querying a fast subquery never returns   665 Eric Coll 05/22/2012 05:19PM
Re: Querying a fast subquery never returns   718 Rick James 05/24/2012 12:40AM
Re: Querying a fast subquery never returns   771 Eric Coll 05/25/2012 11:15AM
Re: Querying a fast subquery never returns   717 Rick James 05/26/2012 10:59AM
table index optimization   1,181 Matus Zeman 05/01/2012 10:55AM
Re: table index optimization   683 Rick James 05/02/2012 07:08PM
Re: table index optimization   712 Rick James 05/05/2012 09:07AM
Re: table index optimization   670 Matus Zeman 05/17/2012 09:25AM
Re: table index optimization   852 Matus Zeman 05/04/2012 08:20AM
Query execution plan   1,470 Chris Slominski 05/08/2012 12:38PM
Re: Query execution plan   688 Rick James 05/09/2012 09:35PM
Re: Query execution plan   800 Chris Slominski 05/10/2012 08:29AM
Re: Query execution plan   820 Rick James 05/11/2012 07:16PM
Re: Query execution plan   765 Chris Slominski 05/14/2012 05:27AM
Re: Query execution plan   697 Rick James 05/15/2012 07:22PM
Re: Query execution plan   639 Chris Slominski 05/09/2012 11:08AM
limit & scala subquery   1,225 jongse park 05/08/2012 10:33PM
Re: limit & scala subquery   581 Rick James 05/09/2012 09:21PM
Mysql slow upadte   996 krishna krishna 04/30/2012 06:09AM
1000 Columns, 1000 Tables, or what?   1,324 Fernando Oliveira 04/19/2012 08:09AM
Re: 1000 Columns, 1000 Tables, or what?   729 Rick James 04/20/2012 06:50PM
Re: 1000 Columns, 1000 Tables, or what?   613 Fernando Oliveira 04/23/2012 08:10AM
Re: 1000 Columns, 1000 Tables, or what?   832 Rick James 04/26/2012 07:59AM
Help with query/tables optimization   1,106 Oleg Ivanov 04/14/2012 05:20AM
Re: Help with query/tables optimization   683 Rick James 04/16/2012 12:05AM
Re: Help with query/tables optimization   697 Oleg Ivanov 04/16/2012 11:53AM
Re: Help with query/tables optimization   884 Oleg Ivanov 04/16/2012 12:04PM
Identical servers different plan for the same query   1,619 Eric Coll 04/07/2012 01:20AM
Re: Identical servers different plan for the same query   631 Eric Coll 04/10/2012 03:28PM
Re: Identical servers different plan for the same query   680 Rick James 04/10/2012 10:29PM
Re: Identical servers different plan for the same query   670 Eric Coll 04/11/2012 10:05AM
Re: Identical servers different plan for the same query   702 Rick James 04/12/2012 08:56AM
Re: Identical servers different plan for the same query   671 Eric Coll 04/12/2012 03:23PM
Re: Identical servers different plan for the same query   699 Rick James 04/13/2012 03:49PM
Re: Identical servers different plan for the same query   707 Eric Coll 04/07/2012 09:55AM
Re: Identical servers different plan for the same query   687 irek kordirko 04/07/2012 02:54PM
Re: Identical servers different plan for the same query   903 Rick James 04/08/2012 12:20PM
Re: Identical servers different plan for the same query   935 Eric Coll 04/09/2012 10:24AM
Re: Identical servers different plan for the same query   650 Eric Coll 04/09/2012 10:35AM
Re: Identical servers different plan for the same query   652 Eric Coll 04/09/2012 10:37AM
Re: Identical servers different plan for the same query   650 Eric Coll 04/09/2012 10:42AM
MySQL Optimizer: Improved DBT-3 Results with MySQL 5.6.5   972 Edwin DeSouza 04/10/2012 05:31PM
MySQL Optimizer: Improvements for many-table joins   973 Edwin DeSouza 04/10/2012 02:54PM
MySQL Optimizer Team Blog   1,006 Edwin DeSouza 04/10/2012 01:58PM
MySQL Optimizer: Index Condition Pushdown to the rescue!   845 Edwin DeSouza 04/10/2012 01:56PM
MySQL Optimizer: Semi-join in MySQL 5.6   785 Edwin DeSouza 04/10/2012 01:56PM
MySQL Optimizer: On queries with many values in the IN clause   866 Edwin DeSouza 04/10/2012 01:55PM
MySQL Optimizer: Faster subqueries with materialization   793 Edwin DeSouza 04/10/2012 01:54PM
MySQL Optimizer: Structured EXPLAIN (JSON)   1,191 Edwin DeSouza 04/10/2012 01:54PM
LEFT JOIN WHERE GROUP BY   1,556 Daniel Flöijer 04/02/2012 02:51AM
Re: LEFT JOIN WHERE GROUP BY   868 Rick James 04/05/2012 08:01PM
Re: LEFT JOIN WHERE GROUP BY   578 irek kordirko 04/02/2012 12:04PM
Re: LEFT JOIN WHERE GROUP BY   644 Daniel Flöijer 04/02/2012 01:24PM
Re: LEFT JOIN WHERE GROUP BY   649 irek kordirko 04/02/2012 04:29PM
Re: LEFT JOIN WHERE GROUP BY   806 Daniel Flöijer 04/03/2012 12:50AM
Re: LEFT JOIN WHERE GROUP BY   637 irek kordirko 04/03/2012 05:40PM
Re: LEFT JOIN WHERE GROUP BY   735 Daniel Flöijer 04/03/2012 11:22PM
Re: LEFT JOIN WHERE GROUP BY   625 irek kordirko 04/04/2012 05:12PM
Re: LEFT JOIN WHERE GROUP BY   499 Daniel Flöijer 04/04/2012 11:10PM
Explain the order of query   1,255 jongse park 03/19/2012 01:49AM
Re: Explain the order of query   618 Rick James 03/19/2012 10:38PM
Re: Explain the order of query   640 jongse park 03/21/2012 07:06PM
Re: Explain the order of query   738 Jørgen Løland 03/28/2012 05:06AM
Re: Explain the order of query   525 Rick James 03/22/2012 06:01PM
Re: Explain the order of query   549 jongse park 03/22/2012 08:13PM
Re: Explain the order of query   526 Rick James 03/23/2012 07:57PM
Queries using JOIN and ORDER BY LIMIT   2,795 Nikita Dubrovsky 03/10/2012 01:11PM
Re: Queries using JOIN and ORDER BY LIMIT   848 irek kordirko 03/12/2012 06:18PM
Re: Queries using JOIN and ORDER BY LIMIT   833 Rick James 03/13/2012 11:07PM
Re: Queries using JOIN and ORDER BY LIMIT   777 Nikita Dubrovsky 03/14/2012 08:45AM
Re: Queries using JOIN and ORDER BY LIMIT   976 Rick James 03/15/2012 10:50AM
Obfuscate Functions and Procedures   997 Tremal Naik 03/12/2012 05:00AM
Re: Obfuscate Functions and Procedures   796 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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