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Index not used for JOIN on compound key plus WHERE range filter   2,334 Chad B 08/15/2013 09:24AM
Re: Index not used for JOIN on compound key plus WHERE range filter   1,069 Chad B 08/15/2013 10:44AM
Re: Index not used for JOIN on compound key plus WHERE range filter   958 Rick James 08/31/2013 04:13PM
query index not used   1,326 Adrian Petre 08/15/2013 05:23AM
Re: query index not used   759 Rick James 08/31/2013 03:41PM
optimize request with order by and limit   1,839 yassine laouija 07/18/2013 05:26AM
Re: optimize request with order by and limit   942 Rick James 07/20/2013 10:25PM
Re: optimize request with order by and limit   880 yassine laouija 07/22/2013 09:46AM
Re: optimize request with order by and limit   778 Rick James 07/23/2013 08:58AM
Re: optimize request with order by and limit   858 yassine laouija 07/26/2013 04:07AM
Re: optimize request with order by and limit   870 Rick James 07/26/2013 11:53PM
Re: optimize request with order by and limit   849 yassine laouija 07/29/2013 04:40AM
Re: optimize request with order by and limit   878 Rick James 08/01/2013 10:39PM
providing a single line for multiple records from a table   1,442 raja chacham 07/23/2013 09:56AM
Re: providing a single line for multiple records from a table   736 Rick James 07/24/2013 09:08AM
Optimize Inner Join With WHERE BETWEEN dates   2,393 Anthony Galano 05/21/2013 07:32PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,156 Rick James 05/22/2013 06:41PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,051 Anthony Galano 05/24/2013 12:40PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,030 Rick James 05/25/2013 11:43AM
Re: Optimize Inner Join With WHERE BETWEEN dates   941 Anthony Galano 05/30/2013 05:30PM
Re: Optimize Inner Join With WHERE BETWEEN dates   973 Rick James 06/02/2013 01:15PM
Re: Optimize Inner Join With WHERE BETWEEN dates   979 Anthony Galano 06/03/2013 05:02PM
Re: Optimize Inner Join With WHERE BETWEEN dates   1,732 Rick James 06/04/2013 11:49PM
Query optimization   1,900 Jan Kowalski 05/10/2013 05:35AM
Re: Query optimization   964 Rick James 05/12/2013 08:42PM
Re: Query optimization   914 Jan Kowalski 05/15/2013 06:45AM
Re: Query optimization   877 Jan Kowalski 05/15/2013 08:35AM
Re: Query optimization   920 Rick James 05/16/2013 08:18AM
Re: Query optimization   910 Jan Kowalski 05/17/2013 03:52AM
Re: Query optimization   915 Rick James 05/17/2013 11:47PM
Re: Query optimization   850 Jan Kowalski 05/21/2013 08:51AM
Re: Query optimization   914 Jan Kowalski 05/22/2013 08:08AM
MySQL Optimizer: When is a Subquery Executed?   1,395 Edwin Desouza 05/02/2013 10:05AM
Index optimized left join with group by   2,218 Michal Kurgan 03/11/2013 05:41PM
Re: Index optimized left join with group by   944 Øystein Grøvlen 03/12/2013 04:16AM
Select last row that is less than or equal to a date   4,716 David Marcus 01/23/2013 06:35PM
Re: Select last row that is less than or equal to a date   1,293 Rick James 01/24/2013 10:27PM
Re: Select last row that is less than or equal to a date   1,243 David Marcus 01/26/2013 09:35AM
Re: Select last row that is less than or equal to a date   1,163 Rick James 01/27/2013 10:19AM
Re: Select last row that is less than or equal to a date   1,135 David Marcus 01/27/2013 12:00PM
Re: Select last row that is less than or equal to a date   1,035 Rick James 01/29/2013 12:51AM
Re: Select last row that is less than or equal to a date   1,048 David Marcus 01/29/2013 06:28PM
Re: Select last row that is less than or equal to a date   1,344 Øystein Grøvlen 01/30/2013 04:50AM
Re: Select last row that is less than or equal to a date   1,155 David Marcus 01/30/2013 05:50PM
Re: Select last row that is less than or equal to a date   1,044 Øystein Grøvlen 02/01/2013 06:03AM
Re: Select last row that is less than or equal to a date   1,076 David Marcus 02/02/2013 07:14AM
Re: Select last row that is less than or equal to a date   1,094 Øystein Grøvlen 02/02/2013 01:49PM
Re: Select last row that is less than or equal to a date   1,066 David Marcus 02/02/2013 02:25PM
Re: Select last row that is less than or equal to a date   1,021 Øystein Grøvlen 02/03/2013 05:58AM
Re: Select last row that is less than or equal to a date   1,072 David Marcus 02/03/2013 10:04AM
Re: Select last row that is less than or equal to a date   1,140 Rick James 02/03/2013 10:43AM
Re: Select last row that is less than or equal to a date   1,463 David Marcus 02/03/2013 12:33PM
Re: Select last row that is less than or equal to a date   1,128 Rick James 02/03/2013 02:59PM
Re: Select last row that is less than or equal to a date   1,109 David Marcus 02/03/2013 03:35PM
Re: Select last row that is less than or equal to a date   1,147 Rick James 02/03/2013 04:02PM
Re: Select last row that is less than or equal to a date   1,194 David Marcus 02/03/2013 04:15PM
Very slow query, help please   1,769 Jaume Roca 01/29/2013 10:18AM
Re: Very slow query, help please   1,004 Øystein Grøvlen 01/30/2013 05:12AM
Re: Very slow query, help please   998 Rick James 01/30/2013 08:38AM
Re: Very slow query, help please   1,074 Jaume Roca 01/30/2013 09:05AM
MySQL 5.6: IN Subqueries Are Optimized away   1,473 Edwin Desouza 01/29/2013 01:08PM
CPU load very very high !!!!, Please assist !!   5,646 Sayed Ali 01/22/2013 06:49AM
Re: CPU load very very high !!!!, Please assist !!   2,079 Rick James 01/22/2013 11:32PM
New EXPLAIN Features in MySQL 5.6 – FORMAT=JSON actually adds more information!   1,572 Edwin Desouza 01/22/2013 05:58PM
Can we expect an enhancement for derived table merge optimization?   2,569 Michael Hogue 01/04/2013 12:04PM
Re: Can we expect an enhancement for derived table merge optimization?   1,050 Rick James 01/07/2013 10:50PM
Re: Can we expect an enhancement for derived table merge optimization?   1,309 Roy Lyseng 01/11/2013 09:18AM
Re: Can we expect an enhancement for derived table merge optimization?   990 Rick James 01/13/2013 12:24PM
Re: Can we expect an enhancement for derived table merge optimization?   1,061 Roy Lyseng 01/14/2013 08:43AM
Re: Can we expect an enhancement for derived table merge optimization?   909 Rick James 01/14/2013 09:54AM
Re: Can we expect an enhancement for derived table merge optimization?   1,016 Roy Lyseng 01/15/2013 06:15AM
Re: Can we expect an enhancement for derived table merge optimization?   978 Roy Lyseng 01/11/2013 08:51AM
How to best optimize MYSQL Database   1,778 Muhammad Usman 12/10/2012 03:45AM
Re: How to best optimize MYSQL Database   911 Rick James 12/21/2012 12:49PM
mysql subquery query optimization question   1,909 Yong Yim 01/12/2013 09:24AM
Re: mysql subquery query optimization question   885 Rick James 01/13/2013 11:30AM
Create a New Datatype   1,680 Andy Gurzynski 01/06/2013 01:00AM
Re: Create a New Datatype   839 Rick James 01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys   1,625 Edwin Desouza 12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"   2,953 Sebastian Schött 12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"   1,198 Rick James 12/08/2012 01:33PM
Complex query - need advise   1,873 chris boer 11/03/2012 04:16PM
Re: Complex query - need advise   943 chris boer 11/03/2012 04:24PM
Re: Complex query - need advise   916 chris boer 11/04/2012 10:05AM
Re: Complex query - need advise   1,229 Rick James 11/05/2012 11:12AM
Follow up on "Query Execution Plan"   1,683 Chris Slominski 10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"   885 Chris Slominski 10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"   799 Chris Slominski 10/25/2012 06:15AM
JOIN query too slow   1,774 N. Kovac 10/13/2012 11:52AM
Re: JOIN query too slow   841 Peter Brawley 10/14/2012 10:26AM
Re: JOIN query too slow   832 Rick James 10/16/2012 07:48PM
bulk update very slow   3,699 james che 09/25/2012 02:51PM
Re: bulk update very slow   1,331 james che 09/26/2012 02:58PM
Re: bulk update very slow   1,284 Rick James 09/27/2012 08:19PM
Re: bulk update very slow   1,427 Jørgen Løland 09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?   1,790 Daniel Estrada 09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?   977 Rick James 09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?   1,061 Daniel Estrada 09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?   873 Rick James 09/24/2012 11:43PM
Join? Union? I am so lost.   1,664 Hank Reardon 09/17/2012 09:09AM
Re: Join? Union? I am so lost.   809 Rick James 09/18/2012 07:48AM
How make indexes work with group by statement   1,562 Adnan Raza 09/13/2012 12:48AM
Re: How make indexes work with group by statement   827 Rick James 09/15/2012 10:34PM
Re: How make indexes work with group by statement   889 Jørgen Løland 09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   1,850 Dominik Bieringer 09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   866 Rick James 09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27   846 Øystein Grøvlen 09/06/2012 04:32AM
optimize the query   1,634 ch srinivas 08/27/2012 10:47PM
Re: optimize the query   925 Øystein Grøvlen 08/28/2012 01:43AM
Re: optimize the query   820 ch srinivas 08/29/2012 04:15AM
Re: optimize the query   806 Øystein Grøvlen 08/29/2012 04:39AM
Re: optimize the query   789 ch srinivas 08/29/2012 05:38AM
Re: optimize the query   848 Rick James 08/30/2012 07:20AM
Query with GROUP BY not using Index   1,970 Imran Akbar 08/14/2012 01:06PM
Re: Query with GROUP BY not using Index   950 Øystein Grøvlen 08/15/2012 02:46AM
Re: Query with GROUP BY not using Index   897 Imran Akbar 08/16/2012 10:30AM
Re: Query with GROUP BY not using Index   942 Øystein Grøvlen 08/17/2012 02:58AM
Re: Query with GROUP BY not using Index   903 Rick James 08/18/2012 10:30PM
Re: Query with GROUP BY not using Index   820 Imran Akbar 08/24/2012 12:41PM
Re: Query with GROUP BY not using Index   920 Øystein Grøvlen 08/28/2012 03:11AM
Re: Query with GROUP BY not using Index   912 Imran Akbar 08/28/2012 06:21PM
Re: Query with GROUP BY not using Index   1,071 Øystein Grøvlen 08/29/2012 01:28AM
Re: Query with GROUP BY not using Index   862 Imran Akbar 08/29/2012 10:36AM
CONCAT and Index in where clause   6,454 Aurelien PANIZZA 08/22/2012 08:45AM
Re: CONCAT and Index in where clause   2,500 Øystein Grøvlen 08/23/2012 01:15AM
Re: CONCAT and Index in where clause   2,058 Rick James 08/23/2012 09:13PM
Re: CONCAT and Index in where clause   2,046 Aurelien PANIZZA 08/27/2012 09:53AM
Re: CONCAT and Index in where clause   2,206 Øystein Grøvlen 08/28/2012 02:50AM
Simple query spending too much time in 'statistics' state without reason   7,432 Vincent B. 08/21/2012 06:19AM
Re: Simple query spending too much time in 'statistics' state without reason   4,293 Jørgen Løland 08/24/2012 06:24AM
Re: Simple query spending too much time in 'statistics' state without reason   3,107 Vincent B. 08/28/2012 01:53AM
Re: Simple query spending too much time in 'statistics' state without reason   3,985 Rick James 08/22/2012 07:44PM
Order By Slows down Joins   2,641 Sami BH 08/22/2012 09:12AM
Re: Order By Slows down Joins   765 Rick James 08/23/2012 08:56PM
always uses filesort even after adding indexes   1,640 Pranav Gore 08/22/2012 02:49AM
Re: always uses filesort even after adding indexes   806 Rick James 08/22/2012 10:52PM
STRAIGHT_JOIN for OUTER JOINGS   2,255 Paul Tsui 08/19/2012 08:28PM
Re: STRAIGHT_JOIN for OUTER JOINGS   1,028 Øystein Grøvlen 08/20/2012 05:16AM
CPU usage 99% - and query very slow - help   3,152 irox ferenc 08/03/2012 10:49AM
Re: CPU usage 99% - and query very slow - help   1,219 Rick James 08/04/2012 01:36PM
Re: CPU usage 99% - and query very slow - help   1,836 robert eeeeee 08/06/2012 01:04PM
Re: CPU usage 99% - and query very slow - help   1,114 Øystein Grøvlen 08/15/2012 03:09AM
Execution plan: wrong index selected, very poor performance.   2,636 Andrej Andrejevic 07/18/2012 10:31AM
Re: Execution plan: wrong index selected, very poor performance.   1,162 Rick James 07/19/2012 10:07PM
Re: Execution plan: wrong index selected, very poor performance.   1,050 Andrej Andrejevic 07/20/2012 01:38AM
Re: Execution plan: wrong index selected, very poor performance.   926 Andrej Andrejevic 07/24/2012 04:27AM
Re: Execution plan: wrong index selected, very poor performance.   950 Rick James 07/25/2012 12:21AM
Index for Query   1,748 dileep ch 07/17/2012 12:41AM
Re: Index for Query   848 Rick James 07/17/2012 10:36PM
Re: Index for Query   869 dileep ch 07/18/2012 11:52PM
Re: Index for Query   1,426 Rick James 07/19/2012 09:49PM
best way to optimize this query   1,772 Jap bn 07/14/2012 09:54AM
Re: best way to optimize this query   1,190 Rick James 07/15/2012 10:11PM
Optimizer being overly aggressive   1,693 Adrian Cornish 07/06/2012 08:18PM
Re: Optimizer being overly aggressive   855 Rick James 07/10/2012 12:49PM
Re: Optimizer being overly aggressive   909 Adrian Cornish 07/10/2012 08:54PM
multiple-column index and order by   1,917 Raphael Hoffmann 07/06/2012 05:59PM
Re: multiple-column index and order by   889 Rick James 07/10/2012 12:55PM
From Months to Seconds with Subquery Materialization   1,289 Edwin DeSouza 07/09/2012 11:15AM
performing mysqldump corrected query issue?   1,634 Peter Sylvester 06/26/2012 01:12PM
Re: performing mysqldump corrected query issue?   927 Rick James 07/01/2012 06:43PM
Re: performing mysqldump corrected query issue?   791 Peter Sylvester 06/26/2012 02:08PM
difference between READ and SCAN   1,455 Linhai Song 06/20/2012 04:05PM
Re: difference between READ and SCAN   730 Rick James 06/20/2012 08:23PM
Re: difference between READ and SCAN   882 Linhai Song 06/21/2012 12:19PM
to optimize a self join request   1,365 Oracleuser user 06/14/2012 08:23AM
Re: to optimize a self join request   865 Rick James 06/15/2012 08:19AM
Call out for FULL JOIN - bug #18003   1,519 ted strauss 06/14/2012 10:23AM
Re: Call out for FULL JOIN - bug #18003   698 ted strauss 06/14/2012 12:13PM
index cannot be used when passing 'int' to 'varchar'   1,916 liao zhifeng 06/10/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   780 Rick James 06/11/2012 11:27PM
Re: index cannot be used when passing 'int' to 'varchar'   814 liao zhifeng 06/12/2012 12:48AM
Re: index cannot be used when passing 'int' to 'varchar'   842 Rick James 06/12/2012 09:23PM
Re: index cannot be used when passing 'int' to 'varchar'   932 liao zhifeng 06/12/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'   810 Rick James 06/13/2012 07:15PM
Re: index cannot be used when passing 'int' to 'varchar'   788 liao zhifeng 06/13/2012 10:35PM
Table does not support optimize...   2,261 Piotr Ch 06/02/2012 12:58AM
Querying a fast subquery never returns   1,411 Eric Coll 05/22/2012 05:15PM
Re: Querying a fast subquery never returns   774 Eric Coll 05/22/2012 05:19PM
Re: Querying a fast subquery never returns   860 Rick James 05/24/2012 12:40AM
Re: Querying a fast subquery never returns   929 Eric Coll 05/25/2012 11:15AM
Re: Querying a fast subquery never returns   848 Rick James 05/26/2012 10:59AM
table index optimization   1,536 Matus Zeman 05/01/2012 10:55AM
Re: table index optimization   827 Rick James 05/02/2012 07:08PM
Re: table index optimization   891 Rick James 05/05/2012 09:07AM
Re: table index optimization   777 Matus Zeman 05/17/2012 09:25AM
Re: table index optimization   1,031 Matus Zeman 05/04/2012 08:20AM
Query execution plan   1,979 Chris Slominski 05/08/2012 12:38PM
Re: Query execution plan   858 Rick James 05/09/2012 09:35PM
Re: Query execution plan   947 Chris Slominski 05/10/2012 08:29AM
Re: Query execution plan   957 Rick James 05/11/2012 07:16PM
Re: Query execution plan   949 Chris Slominski 05/14/2012 05:27AM
Re: Query execution plan   844 Rick James 05/15/2012 07:22PM
Re: Query execution plan   788 Chris Slominski 05/09/2012 11:08AM
This topic has been moved.:  difference between READ and SCAN   0 Linhai Song 06/20/2012 05:47PM
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