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Subject Views Written By Posted
mysql subquery query optimization question   1,615 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   758 Rick James 01/13/2013 11:30AM
Create a New Datatype   1,452 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   722 Rick James 01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys   1,393 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   2,374 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   1,000 Rick James 12/08/2012 01:33PM
Complex query - need advise   1,585 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   794 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   787 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   1,079 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,452 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   787 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   726 Chris Slominski 10/25/2012 06:15AM
JOIN query too slow   1,541 N. Kovac 10/13/2012 11:52AM
Re: JOIN query too slow   738 Peter Brawley 10/14/2012 10:26AM
Re: JOIN query too slow   727 Rick James 10/16/2012 07:48PM
bulk update very slow   3,241 james che 09/25/2012 02:51PM
Re: bulk update very slow   1,189 james che 09/26/2012 02:58PM
Re: bulk update very slow   1,139 Rick James 09/27/2012 08:19PM
Re: bulk update very slow   1,267 Jørgen Løland 09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?   1,528 Daniel Estrada 09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?   855 Rick James 09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?   929 Daniel Estrada 09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?   759 Rick James 09/24/2012 11:43PM
Join? Union? I am so lost.   1,410 Hank Reardon 09/17/2012 09:09AM
Re: Join? Union? I am so lost.   698 Rick James 09/18/2012 07:48AM
How make indexes work with group by statement   1,379 Adnan Raza 09/13/2012 12:48AM
Re: How make indexes work with group by statement   719 Rick James 09/15/2012 10:34PM
Re: How make indexes work with group by statement   765 Jørgen Løland 09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   1,584 Dominik Bieringer 09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   754 Rick James 09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   747 Øystein Grøvlen 09/06/2012 04:32AM
optimize the query   1,411 ch srinivas 08/27/2012 10:47PM
Re: optimize the query   792 Øystein Grøvlen 08/28/2012 01:43AM
Re: optimize the query   731 ch srinivas 08/29/2012 04:15AM
Re: optimize the query   720 Øystein Grøvlen 08/29/2012 04:39AM
Re: optimize the query   670 ch srinivas 08/29/2012 05:38AM
Re: optimize the query   722 Rick James 08/30/2012 07:20AM
Query with GROUP BY not using Index   1,697 Imran Akbar 08/14/2012 01:06PM
Re: Query with GROUP BY not using Index   832 Øystein Grøvlen 08/15/2012 02:46AM
Re: Query with GROUP BY not using Index   755 Imran Akbar 08/16/2012 10:30AM
Re: Query with GROUP BY not using Index   820 Øystein Grøvlen 08/17/2012 02:58AM
Re: Query with GROUP BY not using Index   801 Rick James 08/18/2012 10:30PM
Re: Query with GROUP BY not using Index   735 Imran Akbar 08/24/2012 12:41PM
Re: Query with GROUP BY not using Index   797 Øystein Grøvlen 08/28/2012 03:11AM
Re: Query with GROUP BY not using Index   786 Imran Akbar 08/28/2012 06:21PM
Re: Query with GROUP BY not using Index   881 Øystein Grøvlen 08/29/2012 01:28AM
Re: Query with GROUP BY not using Index   759 Imran Akbar 08/29/2012 10:36AM
CONCAT and Index in where clause   4,715 Aurelien PANIZZA 08/22/2012 08:45AM
Re: CONCAT and Index in where clause   1,928 Øystein Grøvlen 08/23/2012 01:15AM
Re: CONCAT and Index in where clause   1,642 Rick James 08/23/2012 09:13PM
Re: CONCAT and Index in where clause   1,606 Aurelien PANIZZA 08/27/2012 09:53AM
Re: CONCAT and Index in where clause   1,800 Øystein Grøvlen 08/28/2012 02:50AM
Simple query spending too much time in 'statistics' state without reason   5,491 Vincent B. 08/21/2012 06:19AM
Re: Simple query spending too much time in 'statistics' state without reason   3,109 Jørgen Løland 08/24/2012 06:24AM
Re: Simple query spending too much time in 'statistics' state without reason   2,365 Vincent B. 08/28/2012 01:53AM
Re: Simple query spending too much time in 'statistics' state without reason   2,921 Rick James 08/22/2012 07:44PM
Order By Slows down Joins   2,270 Sami BH 08/22/2012 09:12AM
Re: Order By Slows down Joins   658 Rick James 08/23/2012 08:56PM
always uses filesort even after adding indexes   1,388 Pranav Gore 08/22/2012 02:49AM
Re: always uses filesort even after adding indexes   673 Rick James 08/22/2012 10:52PM
STRAIGHT_JOIN for OUTER JOINGS   1,700 Paul Tsui 08/19/2012 08:28PM
Re: STRAIGHT_JOIN for OUTER JOINGS   889 Øystein Grøvlen 08/20/2012 05:16AM
CPU usage 99% - and query very slow - help   2,829 irox ferenc 08/03/2012 10:49AM
Re: CPU usage 99% - and query very slow - help   1,090 Rick James 08/04/2012 01:36PM
Re: CPU usage 99% - and query very slow - help   1,563 robert eeeeee 08/06/2012 01:04PM
Re: CPU usage 99% - and query very slow - help   986 Øystein Grøvlen 08/15/2012 03:09AM
Execution plan: wrong index selected, very poor performance.   2,220 Andrej Andrejevic 07/18/2012 10:31AM
Re: Execution plan: wrong index selected, very poor performance.   974 Rick James 07/19/2012 10:07PM
Re: Execution plan: wrong index selected, very poor performance.   899 Andrej Andrejevic 07/20/2012 01:38AM
Re: Execution plan: wrong index selected, very poor performance.   802 Andrej Andrejevic 07/24/2012 04:27AM
Re: Execution plan: wrong index selected, very poor performance.   816 Rick James 07/25/2012 12:21AM
Index for Query   1,523 dileep ch 07/17/2012 12:41AM
Re: Index for Query   751 Rick James 07/17/2012 10:36PM
Re: Index for Query   777 dileep ch 07/18/2012 11:52PM
Re: Index for Query   1,253 Rick James 07/19/2012 09:49PM
best way to optimize this query   1,524 Jap bn 07/14/2012 09:54AM
Re: best way to optimize this query   1,071 Rick James 07/15/2012 10:11PM
Optimizer being overly aggressive   1,418 Adrian Cornish 07/06/2012 08:18PM
Re: Optimizer being overly aggressive   745 Rick James 07/10/2012 12:49PM
Re: Optimizer being overly aggressive   787 Adrian Cornish 07/10/2012 08:54PM
multiple-column index and order by   1,488 Raphael Hoffmann 07/06/2012 05:59PM
Re: multiple-column index and order by   784 Rick James 07/10/2012 12:55PM
From Months to Seconds with Subquery Materialization   1,121 Edwin DeSouza 07/09/2012 11:15AM
performing mysqldump corrected query issue?   1,347 Peter Sylvester 06/26/2012 01:12PM
Re: performing mysqldump corrected query issue?   791 Rick James 07/01/2012 06:43PM
Re: performing mysqldump corrected query issue?   679 Peter Sylvester 06/26/2012 02:08PM
difference between READ and SCAN   1,261 Linhai Song 06/20/2012 04:05PM
Re: difference between READ and SCAN   625 Rick James 06/20/2012 08:23PM
Re: difference between READ and SCAN   758 Linhai Song 06/21/2012 12:19PM
to optimize a self join request   1,159 Oracleuser user 06/14/2012 08:23AM
Re: to optimize a self join request   769 Rick James 06/15/2012 08:19AM
Call out for FULL JOIN - bug #18003   1,328 ted strauss 06/14/2012 10:23AM
Re: Call out for FULL JOIN - bug #18003   611 ted strauss 06/14/2012 12:13PM
index cannot be used when passing 'int' to 'varchar'   1,623 liao zhifeng 06/10/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   691 Rick James 06/11/2012 11:27PM
Re: index cannot be used when passing 'int' to 'varchar'   724 liao zhifeng 06/12/2012 12:48AM
Re: index cannot be used when passing 'int' to 'varchar'   744 Rick James 06/12/2012 09:23PM
Re: index cannot be used when passing 'int' to 'varchar'   816 liao zhifeng 06/12/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   703 Rick James 06/13/2012 07:15PM
Re: index cannot be used when passing 'int' to 'varchar'   704 liao zhifeng 06/13/2012 10:35PM
Table does not support optimize...   1,753 Piotr Ch 06/02/2012 12:58AM
Querying a fast subquery never returns   1,191 Eric Coll 05/22/2012 05:15PM
Re: Querying a fast subquery never returns   698 Eric Coll 05/22/2012 05:19PM
Re: Querying a fast subquery never returns   746 Rick James 05/24/2012 12:40AM
Re: Querying a fast subquery never returns   803 Eric Coll 05/25/2012 11:15AM
Re: Querying a fast subquery never returns   751 Rick James 05/26/2012 10:59AM
table index optimization   1,251 Matus Zeman 05/01/2012 10:55AM
Re: table index optimization   704 Rick James 05/02/2012 07:08PM
Re: table index optimization   744 Rick James 05/05/2012 09:07AM
Re: table index optimization   701 Matus Zeman 05/17/2012 09:25AM
Re: table index optimization   883 Matus Zeman 05/04/2012 08:20AM
Query execution plan   1,572 Chris Slominski 05/08/2012 12:38PM
Re: Query execution plan   725 Rick James 05/09/2012 09:35PM
Re: Query execution plan   831 Chris Slominski 05/10/2012 08:29AM
Re: Query execution plan   852 Rick James 05/11/2012 07:16PM
Re: Query execution plan   809 Chris Slominski 05/14/2012 05:27AM
Re: Query execution plan   743 Rick James 05/15/2012 07:22PM
Re: Query execution plan   672 Chris Slominski 05/09/2012 11:08AM
limit & scala subquery   1,277 jongse park 05/08/2012 10:33PM
Re: limit & scala subquery   615 Rick James 05/09/2012 09:21PM
Mysql slow upadte   1,049 krishna krishna 04/30/2012 06:09AM
1000 Columns, 1000 Tables, or what?   1,392 Fernando Oliveira 04/19/2012 08:09AM
Re: 1000 Columns, 1000 Tables, or what?   752 Rick James 04/20/2012 06:50PM
Re: 1000 Columns, 1000 Tables, or what?   638 Fernando Oliveira 04/23/2012 08:10AM
Re: 1000 Columns, 1000 Tables, or what?   864 Rick James 04/26/2012 07:59AM
Help with query/tables optimization   1,160 Oleg Ivanov 04/14/2012 05:20AM
Re: Help with query/tables optimization   710 Rick James 04/16/2012 12:05AM
Re: Help with query/tables optimization   735 Oleg Ivanov 04/16/2012 11:53AM
Re: Help with query/tables optimization   916 Oleg Ivanov 04/16/2012 12:04PM
Identical servers different plan for the same query   1,697 Eric Coll 04/07/2012 01:20AM
Re: Identical servers different plan for the same query   658 Eric Coll 04/10/2012 03:28PM
Re: Identical servers different plan for the same query   719 Rick James 04/10/2012 10:29PM
Re: Identical servers different plan for the same query   711 Eric Coll 04/11/2012 10:05AM
Re: Identical servers different plan for the same query   750 Rick James 04/12/2012 08:56AM
Re: Identical servers different plan for the same query   725 Eric Coll 04/12/2012 03:23PM
Re: Identical servers different plan for the same query   737 Rick James 04/13/2012 03:49PM
Re: Identical servers different plan for the same query   737 Eric Coll 04/07/2012 09:55AM
Re: Identical servers different plan for the same query   729 irek kordirko 04/07/2012 02:54PM
Re: Identical servers different plan for the same query   958 Rick James 04/08/2012 12:20PM
Re: Identical servers different plan for the same query   998 Eric Coll 04/09/2012 10:24AM
Re: Identical servers different plan for the same query   673 Eric Coll 04/09/2012 10:35AM
Re: Identical servers different plan for the same query   680 Eric Coll 04/09/2012 10:37AM
Re: Identical servers different plan for the same query   707 Eric Coll 04/09/2012 10:42AM
MySQL Optimizer: Improved DBT-3 Results with MySQL 5.6.5   1,016 Edwin DeSouza 04/10/2012 05:31PM
MySQL Optimizer: Improvements for many-table joins   1,018 Edwin DeSouza 04/10/2012 02:54PM
MySQL Optimizer Team Blog   1,043 Edwin DeSouza 04/10/2012 01:58PM
MySQL Optimizer: Index Condition Pushdown to the rescue!   885 Edwin DeSouza 04/10/2012 01:56PM
MySQL Optimizer: Semi-join in MySQL 5.6   825 Edwin DeSouza 04/10/2012 01:56PM
MySQL Optimizer: On queries with many values in the IN clause   925 Edwin DeSouza 04/10/2012 01:55PM
MySQL Optimizer: Faster subqueries with materialization   847 Edwin DeSouza 04/10/2012 01:54PM
MySQL Optimizer: Structured EXPLAIN (JSON)   1,243 Edwin DeSouza 04/10/2012 01:54PM
LEFT JOIN WHERE GROUP BY   1,629 Daniel Flöijer 04/02/2012 02:51AM
Re: LEFT JOIN WHERE GROUP BY   916 Rick James 04/05/2012 08:01PM
Re: LEFT JOIN WHERE GROUP BY   627 irek kordirko 04/02/2012 12:04PM
Re: LEFT JOIN WHERE GROUP BY   687 Daniel Flöijer 04/02/2012 01:24PM
Re: LEFT JOIN WHERE GROUP BY   685 irek kordirko 04/02/2012 04:29PM
Re: LEFT JOIN WHERE GROUP BY   847 Daniel Flöijer 04/03/2012 12:50AM
Re: LEFT JOIN WHERE GROUP BY   685 irek kordirko 04/03/2012 05:40PM
Re: LEFT JOIN WHERE GROUP BY   774 Daniel Flöijer 04/03/2012 11:22PM
Re: LEFT JOIN WHERE GROUP BY   676 irek kordirko 04/04/2012 05:12PM
Re: LEFT JOIN WHERE GROUP BY   514 Daniel Flöijer 04/04/2012 11:10PM
Explain the order of query   1,310 jongse park 03/19/2012 01:49AM
Re: Explain the order of query   658 Rick James 03/19/2012 10:38PM
Re: Explain the order of query   696 jongse park 03/21/2012 07:06PM
Re: Explain the order of query   789 Jørgen Løland 03/28/2012 05:06AM
Re: Explain the order of query   563 Rick James 03/22/2012 06:01PM
Re: Explain the order of query   586 jongse park 03/22/2012 08:13PM
Re: Explain the order of query   557 Rick James 03/23/2012 07:57PM
This topic has been moved.:  difference between READ and SCAN   0 Linhai Song 06/20/2012 05:47PM
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