Skip navigation links

MySQL Forums :: Optimizer & Parser


Advanced Search

Announcements Last Post
MySQL Connector/Python v1.2.3 GA has been released 08/22/2014 12:04PM
MySQL Utilities 1.5.1 has been released 08/20/2014 11:12AM
MySQL Workbench 6.2.1 BETA has been released 08/19/2014 04:54AM
MySQL Cluster Manager 1.3.2 has been released 08/15/2014 04:19PM
MySQL Connector/Java 5.1.32 has been released 08/11/2014 01:45PM
Pages:  Previous 1 2 3 4 5 ...Last Next
Current Page: 2 of 16
Subject Views Written By Posted
optimize the query   1,267 ch srinivas 08/27/2012 10:47PM
Re: optimize the query   634 Øystein Grøvlen 08/28/2012 01:43AM
Re: optimize the query   630 ch srinivas 08/29/2012 04:15AM
Re: optimize the query   633 Øystein Grøvlen 08/29/2012 04:39AM
Re: optimize the query   591 ch srinivas 08/29/2012 05:38AM
Re: optimize the query   612 Rick James 08/30/2012 07:20AM
Query with GROUP BY not using Index   1,433 Imran Akbar 08/14/2012 01:06PM
Re: Query with GROUP BY not using Index   731 Øystein Grøvlen 08/15/2012 02:46AM
Re: Query with GROUP BY not using Index   651 Imran Akbar 08/16/2012 10:30AM
Re: Query with GROUP BY not using Index   681 Øystein Grøvlen 08/17/2012 02:58AM
Re: Query with GROUP BY not using Index   669 Rick James 08/18/2012 10:30PM
Re: Query with GROUP BY not using Index   652 Imran Akbar 08/24/2012 12:41PM
Re: Query with GROUP BY not using Index   678 Øystein Grøvlen 08/28/2012 03:11AM
Re: Query with GROUP BY not using Index   691 Imran Akbar 08/28/2012 06:21PM
Re: Query with GROUP BY not using Index   717 Øystein Grøvlen 08/29/2012 01:28AM
Re: Query with GROUP BY not using Index   643 Imran Akbar 08/29/2012 10:36AM
CONCAT and Index in where clause   3,617 Aurelien PANIZZA 08/22/2012 08:45AM
Re: CONCAT and Index in where clause   1,515 Øystein Grøvlen 08/23/2012 01:15AM
Re: CONCAT and Index in where clause   1,290 Rick James 08/23/2012 09:13PM
Re: CONCAT and Index in where clause   1,285 Aurelien PANIZZA 08/27/2012 09:53AM
Re: CONCAT and Index in where clause   1,484 Øystein Grøvlen 08/28/2012 02:50AM
Simple query spending too much time in 'statistics' state without reason   4,275 Vincent B. 08/21/2012 06:19AM
Re: Simple query spending too much time in 'statistics' state without reason   2,422 Jørgen Løland 08/24/2012 06:24AM
Re: Simple query spending too much time in 'statistics' state without reason   1,866 Vincent B. 08/28/2012 01:53AM
Re: Simple query spending too much time in 'statistics' state without reason   2,197 Rick James 08/22/2012 07:44PM
Order By Slows down Joins   1,517 Sami BH 08/22/2012 09:12AM
Re: Order By Slows down Joins   578 Rick James 08/23/2012 08:56PM
always uses filesort even after adding indexes   1,233 Pranav Gore 08/22/2012 02:49AM
Re: always uses filesort even after adding indexes   613 Rick James 08/22/2012 10:52PM
STRAIGHT_JOIN for OUTER JOINGS   1,412 Paul Tsui 08/19/2012 08:28PM
Re: STRAIGHT_JOIN for OUTER JOINGS   785 Øystein Grøvlen 08/20/2012 05:16AM
CPU usage 99% - and query very slow - help   2,548 irox ferenc 08/03/2012 10:49AM
Re: CPU usage 99% - and query very slow - help   1,000 Rick James 08/04/2012 01:36PM
Re: CPU usage 99% - and query very slow - help   1,324 robert eeeeee 08/06/2012 01:04PM
Re: CPU usage 99% - and query very slow - help   889 Øystein Grøvlen 08/15/2012 03:09AM
Execution plan: wrong index selected, very poor performance.   1,861 Andrej Andrejevic 07/18/2012 10:31AM
Re: Execution plan: wrong index selected, very poor performance.   847 Rick James 07/19/2012 10:07PM
Re: Execution plan: wrong index selected, very poor performance.   804 Andrej Andrejevic 07/20/2012 01:38AM
Re: Execution plan: wrong index selected, very poor performance.   682 Andrej Andrejevic 07/24/2012 04:27AM
Re: Execution plan: wrong index selected, very poor performance.   728 Rick James 07/25/2012 12:21AM
Index for Query   1,355 dileep ch 07/17/2012 12:41AM
Re: Index for Query   679 Rick James 07/17/2012 10:36PM
Re: Index for Query   709 dileep ch 07/18/2012 11:52PM
Re: Index for Query   1,079 Rick James 07/19/2012 09:49PM
best way to optimize this query   1,390 Jap bn 07/14/2012 09:54AM
Re: best way to optimize this query   968 Rick James 07/15/2012 10:11PM
Optimizer being overly aggressive   1,273 Adrian Cornish 07/06/2012 08:18PM
Re: Optimizer being overly aggressive   669 Rick James 07/10/2012 12:49PM
Re: Optimizer being overly aggressive   685 Adrian Cornish 07/10/2012 08:54PM
multiple-column index and order by   1,256 Raphael Hoffmann 07/06/2012 05:59PM
Re: multiple-column index and order by   718 Rick James 07/10/2012 12:55PM
From Months to Seconds with Subquery Materialization   1,035 Edwin DeSouza 07/09/2012 11:15AM
performing mysqldump corrected query issue?   1,190 Peter Sylvester 06/26/2012 01:12PM
Re: performing mysqldump corrected query issue?   705 Rick James 07/01/2012 06:43PM
Re: performing mysqldump corrected query issue?   609 Peter Sylvester 06/26/2012 02:08PM
difference between READ and SCAN   1,156 Linhai Song 06/20/2012 04:05PM
Re: difference between READ and SCAN   573 Rick James 06/20/2012 08:23PM
Re: difference between READ and SCAN   695 Linhai Song 06/21/2012 12:19PM
to optimize a self join request   1,042 Oracleuser user 06/14/2012 08:23AM
Re: to optimize a self join request   675 Rick James 06/15/2012 08:19AM
Call out for FULL JOIN - bug #18003   1,215 ted strauss 06/14/2012 10:23AM
Re: Call out for FULL JOIN - bug #18003   558 ted strauss 06/14/2012 12:13PM
index cannot be used when passing 'int' to 'varchar'   1,434 liao zhifeng 06/10/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   611 Rick James 06/11/2012 11:27PM
Re: index cannot be used when passing 'int' to 'varchar'   650 liao zhifeng 06/12/2012 12:48AM
Re: index cannot be used when passing 'int' to 'varchar'   641 Rick James 06/12/2012 09:23PM
Re: index cannot be used when passing 'int' to 'varchar'   715 liao zhifeng 06/12/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   606 Rick James 06/13/2012 07:15PM
Re: index cannot be used when passing 'int' to 'varchar'   576 liao zhifeng 06/13/2012 10:35PM
Table does not support optimize...   1,510 Piotr Ch 06/02/2012 12:58AM
Querying a fast subquery never returns   1,054 Eric Coll 05/22/2012 05:15PM
Re: Querying a fast subquery never returns   626 Eric Coll 05/22/2012 05:19PM
Re: Querying a fast subquery never returns   684 Rick James 05/24/2012 12:40AM
Re: Querying a fast subquery never returns   729 Eric Coll 05/25/2012 11:15AM
Re: Querying a fast subquery never returns   678 Rick James 05/26/2012 10:59AM
table index optimization   1,112 Matus Zeman 05/01/2012 10:55AM
Re: table index optimization   649 Rick James 05/02/2012 07:08PM
Re: table index optimization   672 Rick James 05/05/2012 09:07AM
Re: table index optimization   624 Matus Zeman 05/17/2012 09:25AM
Re: table index optimization   793 Matus Zeman 05/04/2012 08:20AM
Query execution plan   1,327 Chris Slominski 05/08/2012 12:38PM
Re: Query execution plan   629 Rick James 05/09/2012 09:35PM
Re: Query execution plan   740 Chris Slominski 05/10/2012 08:29AM
Re: Query execution plan   751 Rick James 05/11/2012 07:16PM
Re: Query execution plan   699 Chris Slominski 05/14/2012 05:27AM
Re: Query execution plan   637 Rick James 05/15/2012 07:22PM
Re: Query execution plan   571 Chris Slominski 05/09/2012 11:08AM
limit & scala subquery   1,168 jongse park 05/08/2012 10:33PM
Re: limit & scala subquery   553 Rick James 05/09/2012 09:21PM
Mysql slow upadte   923 krishna krishna 04/30/2012 06:09AM
1000 Columns, 1000 Tables, or what?   1,203 Fernando Oliveira 04/19/2012 08:09AM
Re: 1000 Columns, 1000 Tables, or what?   691 Rick James 04/20/2012 06:50PM
Re: 1000 Columns, 1000 Tables, or what?   557 Fernando Oliveira 04/23/2012 08:10AM
Re: 1000 Columns, 1000 Tables, or what?   777 Rick James 04/26/2012 07:59AM
Help with query/tables optimization   1,037 Oleg Ivanov 04/14/2012 05:20AM
Re: Help with query/tables optimization   649 Rick James 04/16/2012 12:05AM
Re: Help with query/tables optimization   664 Oleg Ivanov 04/16/2012 11:53AM
Re: Help with query/tables optimization   853 Oleg Ivanov 04/16/2012 12:04PM
Identical servers different plan for the same query   1,515 Eric Coll 04/07/2012 01:20AM
Re: Identical servers different plan for the same query   580 Eric Coll 04/10/2012 03:28PM
Re: Identical servers different plan for the same query   607 Rick James 04/10/2012 10:29PM
Re: Identical servers different plan for the same query   606 Eric Coll 04/11/2012 10:05AM
Re: Identical servers different plan for the same query   640 Rick James 04/12/2012 08:56AM
Re: Identical servers different plan for the same query   601 Eric Coll 04/12/2012 03:23PM
Re: Identical servers different plan for the same query   627 Rick James 04/13/2012 03:49PM
Re: Identical servers different plan for the same query   644 Eric Coll 04/07/2012 09:55AM
Re: Identical servers different plan for the same query   637 irek kordirko 04/07/2012 02:54PM
Re: Identical servers different plan for the same query   840 Rick James 04/08/2012 12:20PM
Re: Identical servers different plan for the same query   853 Eric Coll 04/09/2012 10:24AM
Re: Identical servers different plan for the same query   601 Eric Coll 04/09/2012 10:35AM
Re: Identical servers different plan for the same query   608 Eric Coll 04/09/2012 10:37AM
Re: Identical servers different plan for the same query   583 Eric Coll 04/09/2012 10:42AM
MySQL Optimizer: Improved DBT-3 Results with MySQL 5.6.5   919 Edwin DeSouza 04/10/2012 05:31PM
MySQL Optimizer: Improvements for many-table joins   926 Edwin DeSouza 04/10/2012 02:54PM
MySQL Optimizer Team Blog   965 Edwin DeSouza 04/10/2012 01:58PM
MySQL Optimizer: Index Condition Pushdown to the rescue!   803 Edwin DeSouza 04/10/2012 01:56PM
MySQL Optimizer: Semi-join in MySQL 5.6   745 Edwin DeSouza 04/10/2012 01:56PM
MySQL Optimizer: On queries with many values in the IN clause   806 Edwin DeSouza 04/10/2012 01:55PM
MySQL Optimizer: Faster subqueries with materialization   729 Edwin DeSouza 04/10/2012 01:54PM
MySQL Optimizer: Structured EXPLAIN (JSON)   1,137 Edwin DeSouza 04/10/2012 01:54PM
LEFT JOIN WHERE GROUP BY   1,435 Daniel Flöijer 04/02/2012 02:51AM
Re: LEFT JOIN WHERE GROUP BY   807 Rick James 04/05/2012 08:01PM
Re: LEFT JOIN WHERE GROUP BY   527 irek kordirko 04/02/2012 12:04PM
Re: LEFT JOIN WHERE GROUP BY   584 Daniel Flöijer 04/02/2012 01:24PM
Re: LEFT JOIN WHERE GROUP BY   601 irek kordirko 04/02/2012 04:29PM
Re: LEFT JOIN WHERE GROUP BY   749 Daniel Flöijer 04/03/2012 12:50AM
Re: LEFT JOIN WHERE GROUP BY   591 irek kordirko 04/03/2012 05:40PM
Re: LEFT JOIN WHERE GROUP BY   677 Daniel Flöijer 04/03/2012 11:22PM
Re: LEFT JOIN WHERE GROUP BY   578 irek kordirko 04/04/2012 05:12PM
Re: LEFT JOIN WHERE GROUP BY   472 Daniel Flöijer 04/04/2012 11:10PM
Explain the order of query   1,170 jongse park 03/19/2012 01:49AM
Re: Explain the order of query   546 Rick James 03/19/2012 10:38PM
Re: Explain the order of query   568 jongse park 03/21/2012 07:06PM
Re: Explain the order of query   655 Jørgen Løland 03/28/2012 05:06AM
Re: Explain the order of query   479 Rick James 03/22/2012 06:01PM
Re: Explain the order of query   471 jongse park 03/22/2012 08:13PM
Re: Explain the order of query   474 Rick James 03/23/2012 07:57PM
Queries using JOIN and ORDER BY LIMIT   2,312 Nikita Dubrovsky 03/10/2012 01:11PM
Re: Queries using JOIN and ORDER BY LIMIT   753 irek kordirko 03/12/2012 06:18PM
Re: Queries using JOIN and ORDER BY LIMIT   748 Rick James 03/13/2012 11:07PM
Re: Queries using JOIN and ORDER BY LIMIT   707 Nikita Dubrovsky 03/14/2012 08:45AM
Re: Queries using JOIN and ORDER BY LIMIT   869 Rick James 03/15/2012 10:50AM
Obfuscate Functions and Procedures   907 Tremal Naik 03/12/2012 05:00AM
Re: Obfuscate Functions and Procedures   705 Rick James 03/13/2012 10:46PM
Group by not using index   1,265 Matthew Moles 03/02/2012 10:06AM
Re: Group by not using index   660 Rick James 03/04/2012 10:59PM
Re: Group by not using index   578 Matthew Moles 03/05/2012 03:57AM
Re: Group by not using index   533 irek kordirko 03/03/2012 05:22PM
Optimizing query   1,049 Marko Kupusic 02/24/2012 06:07AM
Re: Optimizing query   499 Rick James 02/25/2012 05:54PM
Re: Optimizing query   486 Marko Kupusic 02/27/2012 06:04AM
Re: Optimizing query   501 Rick James 02/28/2012 07:57PM
Re: Optimizing query   482 Ole John Aske 02/25/2012 03:49AM
Re: Optimizing query   725 Marko Kupusic 02/27/2012 05:57AM
Re: Optimizing query   555 Scott Nemes 02/24/2012 01:16PM
how to optimise query for 10+ millions records   1,491 Azhar Rahi 02/09/2012 03:30AM
Re: how to optimise query for 10+ millions records   883 irek kordirko 02/09/2012 05:31AM
Re: how to optimise query for 10+ millions records   633 Azhar Rahi 02/09/2012 05:38AM
Re: how to optimise query for 10+ millions records   576 irek kordirko 02/09/2012 05:58PM
Re: how to optimise query for 10+ millions records   594 Rick James 02/11/2012 11:26PM
Re: how to optimise query for 10+ millions records   563 Azhar Rahi 02/12/2012 10:12PM
Re: how to optimise query for 10+ millions records   548 irek kordirko 02/13/2012 02:18PM
Re: how to optimise query for 10+ millions records   614 Azhar Rahi 02/14/2012 02:33AM
Re: how to optimise query for 10+ millions records   529 irek kordirko 02/14/2012 07:24AM
Re: how to optimise query for 10+ millions records   562 Rick James 02/15/2012 07:30AM
Re: how to optimise query for 10+ millions records   816 Azhar Rahi 02/16/2012 03:54AM
Re: how to optimise query for 10+ millions records   553 Rick James 02/17/2012 01:20AM
Re: how to optimise query for 10+ millions records   475 Azhar Rahi 02/17/2012 03:57PM
Re: how to optimise query for 10+ millions records   684 irek kordirko 02/17/2012 05:12PM
Re: how to optimise query for 10+ millions records   511 Azhar Rahi 02/20/2012 02:21AM
Re: how to optimise query for 10+ millions records   544 Rick James 02/18/2012 07:18AM
Re: how to optimise query for 10+ millions records   522 Azhar Rahi 02/21/2012 03:25AM
Re: how to optimise query for 10+ millions records   618 Rick James 02/24/2012 10:45AM
Join   1,031 johne doe 02/01/2012 06:51AM
Re: Join Query Performance Problme   501 Rick James 02/03/2012 10:18AM
Re: Join Query Performance Problme   470 irek kordirko 02/01/2012 11:14AM
Re: Join Query Performance Problme   548 johne doe 02/02/2012 12:39AM
Re: Join Query Performance Problme   514 johne doe 02/02/2012 06:47AM
Re: Join Query Performance Problme   476 irek kordirko 02/02/2012 07:02PM
Re: Join Query Performance Problme   496 johne doe 02/03/2012 12:29AM
Re: Join Query Performance Problme   677 irek kordirko 02/03/2012 11:27AM
Re: Join Query Performance Problme   524 Rick James 02/04/2012 10:39AM
Re: Join Query Performance Problme   727 johne doe 02/14/2012 06:08PM
Re: Join Query Performance Problme   541 johne doe 02/06/2012 06:13AM
query cost calculations   1,963 Silpa Majeti 02/11/2012 04:01AM
Re: query cost calculations   703 Øystein Grøvlen 02/13/2012 07:13PM
Re: query cost calculations   808 Rick James 02/12/2012 01:03PM
Strange performance results with JOIN/COUNT   1,202 Tomas Pluskal 02/08/2012 06:25PM
Re: Strange performance results with JOIN/COUNT   556 Øystein Grøvlen 02/09/2012 03:01AM
Re: Strange performance results with JOIN/COUNT   769 Tomas Pluskal 02/09/2012 03:13AM
Re: Strange performance results with JOIN/COUNT   729 irek kordirko 02/11/2012 02:53AM
Re: Strange performance results with JOIN/COUNT   530 Tomas Pluskal 02/12/2012 06:44PM
Strange performance with JOIN/COUNT   911 Tomas Pluskal 02/09/2012 12:30AM
Re: Strange performance with JOIN/COUNT   562 Rick James 02/11/2012 11:11PM
Why MySQL does not use an index?   1,360 Panayotis Matsinopoulos 01/16/2012 02:50AM
Re: Why MySQL does not use an index?   587 Rick James 01/19/2012 12:25AM
Re: Why MySQL does not use an index?   616 Panayotis Matsinopoulos 02/10/2012 01:21AM
Re: Why MySQL does not use an index?   628 Rick James 02/11/2012 10:48PM
Re: Why MySQL does not use an index?   497 irek kordirko 02/10/2012 09:50AM
MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)   1,484 Chris Ricks 02/02/2012 01:17AM
Re: MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)   520 Chris Ricks 02/01/2012 07:33PM
Re: MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)   570 Øystein Grøvlen 02/02/2012 03:58AM
Re: MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)   518 Chris Ricks 02/02/2012 04:43AM
Re: MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)   488 Rick James 02/03/2012 11:57PM
Re: MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)   581 Chris Ricks 02/02/2012 03:06AM
running running running   961 paolo tome 01/30/2012 03:16AM
Re: running running running   512 Øystein Grøvlen 01/30/2012 02:39AM
Re: running running running   501 paolo tome 01/30/2012 09:13AM
Re: running running running   430 paolo tome 01/31/2012 05:44AM
Re: running running running   467 Øystein Grøvlen 01/31/2012 07:54AM
Re: running running running   497 paolo tome 01/31/2012 03:10AM
Re: running running running   478 Ole John Aske 01/31/2012 05:00PM
This topic has been moved.:  difference between READ and SCAN   0 Linhai Song 06/20/2012 05:47PM
Pages:  Previous 1 2 3 4 5 ...Last Next
Current Page: 2 of 16

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.