MySQL Forums
Forum List  »  Optimizer & Parser
Announcements Last Post
•   MySQL Cluster 7.3.30 has been released 07/14/2020 12:50PM
•   MySQL Cluster 7.4.29 has been released 07/14/2020 02:18AM
•   MySQL Cluster 7.5.19 has been released 07/14/2020 02:09AM
•   MySQL Cluster 7.6.15 has been released 07/14/2020 01:57AM
•   MySQL Connector/J 8.0.21 has been released 07/13/2020 09:07AM

Advanced Search
New Topic
Pages:
« 1
...
3 4 5 6 7
...
19 »

Subject
Views
Written By
Posted
performing mysqldump corrected query issue?  
2,235
Peter Sylvester
06/26/2012 01:12PM
Re: performing mysqldump corrected query issue?  
1,248
Rick James
07/01/2012 06:43PM
Re: performing mysqldump corrected query issue?  
1,046
Peter Sylvester
06/26/2012 02:08PM
difference between READ and SCAN  
1,959
Linhai Song
06/20/2012 04:05PM
Re: difference between READ and SCAN  
1,002
Rick James
06/20/2012 08:23PM
Re: difference between READ and SCAN  
1,324
Linhai Song
06/21/2012 12:19PM
to optimize a self join request  
1,844
Oracleuser user
06/14/2012 08:23AM
Re: to optimize a self join request  
1,270
Rick James
06/15/2012 08:19AM
Call out for FULL JOIN - bug #18003  
2,016
ted strauss
06/14/2012 10:23AM
Re: Call out for FULL JOIN - bug #18003  
912
ted strauss
06/14/2012 12:13PM
index cannot be used when passing 'int' to 'varchar'  
2,598
liao zhifeng
06/10/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'  
1,097
Rick James
06/11/2012 11:27PM
Re: index cannot be used when passing 'int' to 'varchar'  
1,127
liao zhifeng
06/12/2012 12:48AM
Re: index cannot be used when passing 'int' to 'varchar'  
1,149
Rick James
06/12/2012 09:23PM
Re: index cannot be used when passing 'int' to 'varchar'  
1,289
liao zhifeng
06/12/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'  
1,118
Rick James
06/13/2012 07:15PM
Re: index cannot be used when passing 'int' to 'varchar'  
1,089
liao zhifeng
06/13/2012 10:35PM
Table does not support optimize...  
3,067
Piotr Ch
06/02/2012 12:58AM
Querying a fast subquery never returns  
1,898
Eric Coll
05/22/2012 05:15PM
Re: Querying a fast subquery never returns  
1,068
Eric Coll
05/22/2012 05:19PM
Re: Querying a fast subquery never returns  
1,325
Rick James
05/24/2012 12:40AM
Re: Querying a fast subquery never returns  
1,292
Eric Coll
05/25/2012 11:15AM
Re: Querying a fast subquery never returns  
1,140
Rick James
05/26/2012 10:59AM
table index optimization  
2,186
Matus Zeman
05/01/2012 10:55AM
Re: table index optimization  
1,057
Rick James
05/02/2012 07:08PM
Re: table index optimization  
1,232
Rick James
05/05/2012 09:07AM
Re: table index optimization  
1,076
Matus Zeman
05/17/2012 09:25AM
Re: table index optimization  
1,323
Matus Zeman
05/04/2012 08:20AM
Query execution plan  
2,665
Chris Slominski
05/08/2012 12:38PM
Re: Query execution plan  
1,159
Rick James
05/09/2012 09:35PM
Re: Query execution plan  
1,278
Chris Slominski
05/10/2012 08:29AM
Re: Query execution plan  
1,248
Rick James
05/11/2012 07:16PM
Re: Query execution plan  
1,323
Chris Slominski
05/14/2012 05:27AM
Re: Query execution plan  
1,069
Rick James
05/15/2012 07:22PM
Re: Query execution plan  
1,089
Chris Slominski
05/09/2012 11:08AM
limit & scala subquery  
2,068
jongse park
05/08/2012 10:33PM
Re: limit & scala subquery  
989
Rick James
05/09/2012 09:21PM
Mysql slow upadte  
1,596
krishna krishna
04/30/2012 06:09AM
1000 Columns, 1000 Tables, or what?  
2,634
Fernando Oliveira
04/19/2012 08:09AM
Re: 1000 Columns, 1000 Tables, or what?  
1,297
Rick James
04/20/2012 06:50PM
Re: 1000 Columns, 1000 Tables, or what?  
1,084
Fernando Oliveira
04/23/2012 08:10AM
Re: 1000 Columns, 1000 Tables, or what?  
1,342
Rick James
04/26/2012 07:59AM
Help with query/tables optimization  
1,956
Oleg Ivanov
04/14/2012 05:20AM
Re: Help with query/tables optimization  
1,184
Rick James
04/16/2012 12:05AM
Re: Help with query/tables optimization  
1,252
Oleg Ivanov
04/16/2012 11:53AM
Re: Help with query/tables optimization  
1,561
Oleg Ivanov
04/16/2012 12:04PM
Identical servers different plan for the same query  
2,786
Eric Coll
04/07/2012 01:20AM
Re: Identical servers different plan for the same query  
1,193
Eric Coll
04/10/2012 03:28PM
Re: Identical servers different plan for the same query  
1,239
Rick James
04/10/2012 10:29PM
Re: Identical servers different plan for the same query  
1,145
Eric Coll
04/11/2012 10:05AM
Re: Identical servers different plan for the same query  
1,259
Rick James
04/12/2012 08:56AM
Re: Identical servers different plan for the same query  
1,157
Eric Coll
04/12/2012 03:23PM
Re: Identical servers different plan for the same query  
2,348
Rick James
04/13/2012 03:49PM
Re: Identical servers different plan for the same query  
1,225
Eric Coll
04/07/2012 09:55AM
Re: Identical servers different plan for the same query  
1,215
irek kordirko
04/07/2012 02:54PM
Re: Identical servers different plan for the same query  
1,457
Rick James
04/08/2012 12:20PM
Re: Identical servers different plan for the same query  
1,566
Eric Coll
04/09/2012 10:24AM
Re: Identical servers different plan for the same query  
1,211
Eric Coll
04/09/2012 10:35AM
Re: Identical servers different plan for the same query  
1,176
Eric Coll
04/09/2012 10:37AM
Re: Identical servers different plan for the same query  
1,235
Eric Coll
04/09/2012 10:42AM
MySQL Optimizer: Improved DBT-3 Results with MySQL 5.6.5  
1,622
Edwin DeSouza
04/10/2012 05:31PM
MySQL Optimizer: Improvements for many-table joins  
1,628
Edwin DeSouza
04/10/2012 02:54PM
MySQL Optimizer Team Blog  
1,928
Edwin DeSouza
04/10/2012 01:58PM
MySQL Optimizer: Index Condition Pushdown to the rescue!  
1,696
Edwin DeSouza
04/10/2012 01:56PM
MySQL Optimizer: Semi-join in MySQL 5.6  
1,337
Edwin DeSouza
04/10/2012 01:56PM
MySQL Optimizer: On queries with many values in the IN clause  
1,581
Edwin DeSouza
04/10/2012 01:55PM
MySQL Optimizer: Faster subqueries with materialization  
1,383
Edwin DeSouza
04/10/2012 01:54PM
MySQL Optimizer: Structured EXPLAIN (JSON)  
1,816
Edwin DeSouza
04/10/2012 01:54PM
LEFT JOIN WHERE GROUP BY  
2,538
Daniel Flöijer
04/02/2012 02:51AM
Re: LEFT JOIN WHERE GROUP BY  
1,337
Rick James
04/05/2012 08:01PM
Re: LEFT JOIN WHERE GROUP BY  
1,058
irek kordirko
04/02/2012 12:04PM
Re: LEFT JOIN WHERE GROUP BY  
1,110
Daniel Flöijer
04/02/2012 01:24PM
Re: LEFT JOIN WHERE GROUP BY  
1,146
irek kordirko
04/02/2012 04:29PM
Re: LEFT JOIN WHERE GROUP BY  
1,737
Daniel Flöijer
04/03/2012 12:50AM
Re: LEFT JOIN WHERE GROUP BY  
1,118
irek kordirko
04/03/2012 05:40PM
Re: LEFT JOIN WHERE GROUP BY  
1,243
Daniel Flöijer
04/03/2012 11:22PM
Re: LEFT JOIN WHERE GROUP BY  
1,084
irek kordirko
04/04/2012 05:12PM
Re: LEFT JOIN WHERE GROUP BY  
875
Daniel Flöijer
04/04/2012 11:10PM
Explain the order of query  
2,037
jongse park
03/19/2012 01:49AM
Re: Explain the order of query  
1,081
Rick James
03/19/2012 10:38PM
Re: Explain the order of query  
1,084
jongse park
03/21/2012 07:06PM
Re: Explain the order of query  
1,385
Jørgen Løland
03/28/2012 05:06AM
Re: Explain the order of query  
867
Rick James
03/22/2012 06:01PM
Re: Explain the order of query  
896
jongse park
03/22/2012 08:13PM
Re: Explain the order of query  
895
Rick James
03/23/2012 07:57PM
Queries using JOIN and ORDER BY LIMIT  
16,377
Nikita Dubrovsky
03/10/2012 01:11PM
Re: Queries using JOIN and ORDER BY LIMIT  
2,349
irek kordirko
03/12/2012 06:18PM
Re: Queries using JOIN and ORDER BY LIMIT  
2,254
Rick James
03/13/2012 11:07PM
Re: Queries using JOIN and ORDER BY LIMIT  
1,742
Nikita Dubrovsky
03/14/2012 08:45AM
Re: Queries using JOIN and ORDER BY LIMIT  
2,081
Rick James
03/15/2012 10:50AM
Obfuscate Functions and Procedures  
1,899
Tremal Naik
03/12/2012 05:00AM
Re: Obfuscate Functions and Procedures  
1,331
Rick James
03/13/2012 10:46PM
Group by not using index  
2,165
Matthew Moles
03/02/2012 10:06AM
Re: Group by not using index  
1,101
Rick James
03/04/2012 10:59PM
Re: Group by not using index  
1,045
Matthew Moles
03/05/2012 03:57AM
Re: Group by not using index  
965
irek kordirko
03/03/2012 05:22PM
Optimizing query  
1,831
Marko Kupusic
02/24/2012 06:07AM
Re: Optimizing query  
998
Rick James
02/25/2012 05:54PM
Re: Optimizing query  
906
Marko Kupusic
02/27/2012 06:04AM
Re: Optimizing query  
991
Rick James
02/28/2012 07:57PM
Re: Optimizing query  
917
Ole John Aske
02/25/2012 03:49AM
Re: Optimizing query  
1,226
Marko Kupusic
02/27/2012 05:57AM
Re: Optimizing query  
1,037
Scott Nemes
02/24/2012 01:16PM
how to optimise query for 10+ millions records  
2,479
Azhar Rahi
02/09/2012 03:30AM
Re: how to optimise query for 10+ millions records  
1,511
irek kordirko
02/09/2012 05:31AM
Re: how to optimise query for 10+ millions records  
1,176
Azhar Rahi
02/09/2012 05:38AM
Re: how to optimise query for 10+ millions records  
1,062
irek kordirko
02/09/2012 05:58PM
Re: how to optimise query for 10+ millions records  
1,068
Rick James
02/11/2012 11:26PM
Re: how to optimise query for 10+ millions records  
1,275
Azhar Rahi
02/12/2012 10:12PM
Re: how to optimise query for 10+ millions records  
1,163
irek kordirko
02/13/2012 02:18PM
Re: how to optimise query for 10+ millions records  
1,335
Azhar Rahi
02/14/2012 02:33AM
Re: how to optimise query for 10+ millions records  
1,086
irek kordirko
02/14/2012 07:24AM
Re: how to optimise query for 10+ millions records  
1,194
Rick James
02/15/2012 07:30AM
Re: how to optimise query for 10+ millions records  
1,578
Azhar Rahi
02/16/2012 03:54AM
Re: how to optimise query for 10+ millions records  
1,101
Rick James
02/17/2012 01:20AM
Re: how to optimise query for 10+ millions records  
922
Azhar Rahi
02/17/2012 03:57PM
Re: how to optimise query for 10+ millions records  
1,263
irek kordirko
02/17/2012 05:12PM
Re: how to optimise query for 10+ millions records  
1,073
Azhar Rahi
02/20/2012 02:21AM
Re: how to optimise query for 10+ millions records  
1,121
Rick James
02/18/2012 07:18AM
Re: how to optimise query for 10+ millions records  
1,132
Azhar Rahi
02/21/2012 03:25AM
Re: how to optimise query for 10+ millions records  
1,176
Rick James
02/24/2012 10:45AM
Join  
1,884
johne doe
02/01/2012 06:51AM
Re: Join Query Performance Problme  
1,001
Rick James
02/03/2012 10:18AM
Re: Join Query Performance Problme  
981
irek kordirko
02/01/2012 11:14AM
Re: Join Query Performance Problme  
1,026
johne doe
02/02/2012 12:39AM
Re: Join Query Performance Problme  
983
johne doe
02/02/2012 06:47AM
Re: Join Query Performance Problme  
995
irek kordirko
02/02/2012 07:02PM
Re: Join Query Performance Problme  
980
johne doe
02/03/2012 12:29AM
Re: Join Query Performance Problme  
1,220
irek kordirko
02/03/2012 11:27AM
Re: Join Query Performance Problme  
988
Rick James
02/04/2012 10:39AM
Re: Join Query Performance Problme  
1,155
johne doe
02/14/2012 06:08PM
Re: Join Query Performance Problme  
999
johne doe
02/06/2012 06:13AM
query cost calculations  
3,586
Silpa Majeti
02/11/2012 04:01AM
Re: query cost calculations  
1,278
Øystein Grøvlen
02/13/2012 07:13PM
Re: query cost calculations  
1,422
Rick James
02/12/2012 01:03PM
Strange performance results with JOIN/COUNT  
2,042
Tomas Pluskal
02/08/2012 06:25PM
Re: Strange performance results with JOIN/COUNT  
967
Øystein Grøvlen
02/09/2012 03:01AM
Re: Strange performance results with JOIN/COUNT  
1,338
Tomas Pluskal
02/09/2012 03:13AM
Re: Strange performance results with JOIN/COUNT  
1,231
irek kordirko
02/11/2012 02:53AM
Re: Strange performance results with JOIN/COUNT  
925
Tomas Pluskal
02/12/2012 06:44PM
Strange performance with JOIN/COUNT  
2,214
Tomas Pluskal
02/09/2012 12:30AM
Re: Strange performance with JOIN/COUNT  
976
Rick James
02/11/2012 11:11PM
Why MySQL does not use an index?  
2,512
Panayotis Matsinopoulos
01/16/2012 02:50AM
Re: Why MySQL does not use an index?  
1,134
Rick James
01/19/2012 12:25AM
Re: Why MySQL does not use an index?  
1,192
Panayotis Matsinopoulos
02/10/2012 01:21AM
Re: Why MySQL does not use an index?  
1,137
Rick James
02/11/2012 10:48PM
Re: Why MySQL does not use an index?  
1,027
irek kordirko
02/10/2012 09:50AM
MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)  
2,586
Chris Ricks
02/02/2012 01:17AM
Re: MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)  
1,054
Chris Ricks
02/01/2012 07:33PM
Re: MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)  
980
Øystein Grøvlen
02/02/2012 03:58AM
Re: MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)  
1,024
Chris Ricks
02/02/2012 04:43AM
Re: MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)  
986
Rick James
02/03/2012 11:57PM
Re: MySQL 5.5 Query Optimizer - Massive Regression (vs 5.0)  
1,090
Chris Ricks
02/02/2012 03:06AM
running running running  
1,903
paolo tome
01/30/2012 03:16AM
Re: running running running  
1,024
Øystein Grøvlen
01/30/2012 02:39AM
Re: running running running  
879
paolo tome
01/30/2012 09:13AM
Re: running running running  
818
paolo tome
01/31/2012 05:44AM
Re: running running running  
961
Øystein Grøvlen
01/31/2012 07:54AM
Re: running running running  
1,036
paolo tome
01/31/2012 03:10AM
Re: running running running  
1,006
Ole John Aske
01/31/2012 05:00PM
How to avoid filesort in ORDER BY?  
3,696
Andy S
01/26/2012 10:58PM
Re: How to avoid filesort in ORDER BY?  
1,661
irek kordirko
01/27/2012 08:20AM
avoid filesort  
1,662
Magnus Larsson
01/22/2012 01:08PM
Re: avoid filesort  
1,034
Rick James
01/24/2012 01:17AM
Re: avoid filesort  
1,133
Magnus Larsson
01/24/2012 04:36PM
Re: avoid filesort  
1,059
Rick James
01/25/2012 08:26PM
Re: avoid filesort  
1,046
Magnus Larsson
01/26/2012 04:56AM
Re: avoid filesort  
1,225
irek kordirko
01/25/2012 07:24PM
Re: avoid filesort  
1,053
Magnus Larsson
01/26/2012 04:57AM
Simple 1-table query taking WAY to long.....  
1,516
Jason Moore
01/23/2012 02:31AM
Re: Simple 1-table query taking WAY to long.....  
993
Rick James
01/24/2012 01:09AM
want to make this query faster, but not sure how  
2,159
Luc Foisy
01/19/2012 09:55AM
Re: want to make this query faster, but not sure how  
1,100
irek kordirko
01/19/2012 05:39PM
Re: want to make this query faster, but not sure how  
1,229
Luc Foisy
01/20/2012 10:51AM
Re: want to make this query faster, but not sure how  
822
Luc Foisy
01/19/2012 10:12AM
Re: want to make this query faster, but not sure how  
827
Luc Foisy
01/19/2012 10:29AM
MySQL 5.6: Optimizer Tracing  
1,289
Edwin DeSouza
01/19/2012 12:07PM
Query no longer uses index, takes much longer to run  
1,927
Richard Cunningham
01/09/2012 12:36PM
Re: Query no longer uses index, takes much longer to run  
852
Jørgen Løland
01/10/2012 01:43PM
Re: Query no longer uses index, takes much longer to run  
882
Richard Cunningham
01/10/2012 03:54PM
Weird issue with join buffer (Performance suffers)  
1,775
Ozgur Orhan
01/10/2012 01:54AM
Re: Weird issue with join buffer (Performance suffers)  
1,276
Jørgen Løland
01/10/2012 01:37PM
Problem with a query performance  
2,621
V Pode
01/04/2012 01:43PM
Re: Problem with a query performance  
1,126
Rick James
01/05/2012 10:41AM
Re: Problem with a query performance  
1,049
V Pode
01/06/2012 12:36PM
Re: Problem with a query performance  
1,046
Rick James
01/07/2012 10:52AM
index not used when join condition added  
2,443
Daniel Walter
01/02/2012 11:55AM
Re: index not used when join condition added  
1,097
Rick James
01/03/2012 08:42PM
Re: index not used when join condition added  
1,111
Daniel Walter
01/03/2012 09:49PM
Re: index not used when join condition added  
1,388
Rick James
01/04/2012 06:26PM
Re: index not used when join condition added  
1,026
Daniel Walter
01/04/2012 07:21PM
Re: index not used when join condition added  
979
Rick James
01/04/2012 06:28PM
Primary key index with a DATETIME as first part of the compound key is never used  
4,682
jeremy cohen solal
12/30/2011 08:10AM
Re: Primary key index with a DATETIME as first part of the compound key is never used  
1,575
Rick James
01/02/2012 09:06PM
help me, optimize a long running query  
2,756
h ch
10/25/2011 12:00AM
Re: help me, optimize a long running query  
1,074
Massimo Brignoli
10/26/2011 06:48AM
Re: help me, optimize a long running query  
1,025
h ch
10/27/2011 12:39AM
Re: help me, optimize a long running query  
1,118
Rick James
10/27/2011 09:04PM
Re: help me, optimize a long running query  
1,402
h ch
12/26/2011 11:52PM
Re: help me, optimize a long running query  
932
Rick James
12/27/2011 10:00PM
SELECT counter  
2,020
Root Tr
12/17/2011 01:24PM
Re: SELECT counter  
931
Jørgen Løland
12/19/2011 06:57AM
Strange behavior with a strange request  
1,937
Julien Palard
12/08/2011 05:03AM
Re: Strange behavior with a strange request  
907
Rick James
12/10/2011 11:37PM
Re: Strange behavior with a strange request  
1,000
Julien Palard
12/12/2011 09:01AM
left outer join performance  
3,548
Michael Shavlovsky
11/28/2011 09:58PM
Re: left outer join performance  
1,297
Michael Shavlovsky
11/28/2011 11:10PM
Re: left outer join performance  
1,181
Rick James
11/29/2011 09:27PM
This topic has been moved.:  difference between READ and SCAN  
0
Linhai Song
06/20/2012 05:47PM
Pages:
« 1
...
3 4 5 6 7
...
19 »

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.