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MySQL 8.0.1: [Recursive] Common Table Expressions in MySQL (CTEs), Part Four – depth-first or breadth-first traversal, transitive closure, cycle avoidance  
1,161
Edwin Desouza
05/23/2017 11:01AM
MySQL Index Advisor for SQL Tuning  
4,533
Chaitanya Challa
05/10/2017 09:12PM
Re: MySQL Index Advisor for SQL Tuning  
2,713
Edwin Desouza
05/10/2017 10:57PM
Re: MySQL Index Advisor for SQL Tuning  
1,586
Chaitanya Challa
05/11/2017 08:08AM
MySQL 8.0: CTEs Recursive Query Throwdown  
1,469
Edwin Desouza
05/05/2017 06:14PM
MySQL 8.0: GROUPING function  
684
Edwin Desouza
05/02/2017 10:37AM
How to Analyze and Tune MySQL Queries for Better Performance  
671
Edwin Desouza
04/27/2017 11:32AM
MySQL 8.0: Optimizer: What's New  
762
Edwin Desouza
04/27/2017 11:31AM
MySQL 8.0 Optimizer Guide  
824
Edwin Desouza
04/27/2017 11:30AM
MySQL 8.0.1: Using SKIP LOCKED and NOWAIT to handle hot rows  
808
Edwin Desouza
04/12/2017 11:57AM
MySQL 8.0: Improved performance with CTE  
770
Edwin Desouza
04/12/2017 11:57AM
MySQL 5.7: What to Do When the Optimizer Overestimates the Condition Filtering Effect  
720
Edwin Desouza
03/24/2017 11:30AM
prepare don't work for optimize statement  
946
Long WU
03/22/2017 12:30AM
Re: prepare don't work for optimize statement  
490
Øystein Grøvlen
03/22/2017 01:34AM
MySQL 5.7: Improved JOIN Order by Taking Condition Filter Effect into Account  
857
Edwin Desouza
03/17/2017 02:49PM
Improve search when using IN() ORDER BY PRIMARY and LIMIT  
1,280
jon sans
02/11/2017 07:17AM
Re: Improve search when using IN() ORDER BY PRIMARY and LIMIT  
444
jon sans
02/11/2017 07:29AM
Re: Improve search when using IN() ORDER BY PRIMARY and LIMIT  
561
Øystein Grøvlen
02/13/2017 05:58AM
MySQL Performance Tuning: Optimizer Hints  
769
Edwin Desouza
02/04/2017 09:09PM
Hiw to fast delete rows from table in relation?  
1,059
Andrzej Borucki
01/22/2017 02:21AM
Re: Hiw to fast delete rows from table in relation?  
582
Andrzej Borucki
01/22/2017 03:39AM
Re: Hiw to fast delete rows from table in relation?  
541
Andrzej Borucki
01/22/2017 04:03AM
Query not always using indexes  
2,441
K DBA
01/06/2017 05:48AM
Re: Query not always using indexes  
810
Peter Brawley
01/06/2017 12:28PM
Re: Query not always using indexes  
887
K DBA
01/09/2017 05:18AM
Re: Query not always using indexes  
797
Øystein Grøvlen
01/09/2017 02:30AM
Optimize subquery, replace IN() with JOIN  
2,102
Miron jajtic
11/15/2016 02:37PM
Re: Optimize subquery, replace IN() with JOIN  
848
Peter Brawley
11/15/2016 03:34PM
Re: Optimize subquery, replace IN() with JOIN  
944
Miron jajtic
11/15/2016 04:25PM
Re: Optimize subquery, replace IN() with JOIN  
840
Rick James
11/17/2016 08:11PM
Re: Optimize subquery, replace IN() with JOIN  
774
Peter Brawley
11/22/2016 02:44PM
Re: Optimize subquery, replace IN() with JOIN  
829
Miron jajtic
11/16/2016 04:03AM
Re: Optimize subquery, replace IN() with JOIN  
821
Peter Brawley
11/16/2016 12:51PM
Re: Optimize subquery, replace IN() with JOIN  
952
Miron jajtic
11/16/2016 03:22PM
Re: Optimize subquery, replace IN() with JOIN  
806
Peter Brawley
11/16/2016 04:44PM
Re: Optimize subquery, replace IN() with JOIN  
566
sahar gull
12/27/2016 05:32AM
Re: Optimize subquery, replace IN() with JOIN  
721
Øystein Grøvlen
11/16/2016 01:50AM
Re: Optimize subquery, replace IN() with JOIN  
749
Miron jajtic
11/16/2016 04:01AM
Re: Optimize subquery, replace IN() with JOIN  
903
Øystein Grøvlen
11/16/2016 06:23AM
Improved Query Performance by Using Derived Table instead of IN-subquery  
819
Edwin Desouza
12/23/2016 08:50AM
primary key vs covered index  
1,306
marcin kot
11/30/2016 09:55AM
Re: primary key vs covered index  
708
Øystein Grøvlen
12/01/2016 01:39AM
Re: primary key vs covered index  
687
marcin kot
12/01/2016 03:38AM
Re: primary key vs covered index  
732
Øystein Grøvlen
12/01/2016 03:57AM
Re: primary key vs covered index  
637
marcin kot
12/01/2016 04:16AM
Re: primary key vs covered index  
572
Øystein Grøvlen
12/01/2016 04:25AM
MySQL 8.0: Refactoring and Improving the Parser  
914
Edwin Desouza
11/22/2016 10:58AM
MySQL subquery  
1,151
harry sheng
10/27/2016 02:51PM
Re: MySQL subquery  
722
Øystein Grøvlen
10/28/2016 01:03AM
Re: MySQL subquery  
715
harry sheng
11/06/2016 08:50PM
Re: MySQL subquery  
724
Øystein Grøvlen
11/07/2016 01:39AM
How to Analyze and Tune MySQL Queries for Better Performance  
967
Edwin Desouza
10/21/2016 09:58AM
Index on timestamp  
7,725
Adeline M
10/14/2016 08:47AM
Re: Index on timestamp  
3,152
Rick James
10/16/2016 04:40PM
MySQL 8.0: Descending Indexes  
1,179
Edwin Desouza
10/12/2016 10:00AM
Pivot table with dynamic columns  
6,544
Aram Mirzadeh
09/30/2016 06:03PM
Re: Pivot table with dynamic columns  
2,476
Rick James
10/03/2016 03:40PM
inner join vs left join - huge performance difference  
12,093
michael cook
07/06/2016 09:32AM
Re: inner join vs left join - huge performance difference  
2,853
Peter Brawley
07/06/2016 12:00PM
Re: inner join vs left join - huge performance difference  
1,901
michael cook
07/06/2016 12:18PM
Re: inner join vs left join - huge performance difference  
1,549
michael cook
07/06/2016 12:29PM
Re: inner join vs left join - huge performance difference  
1,388
Peter Brawley
07/06/2016 12:36PM
Re: inner join vs left join - huge performance difference  
1,448
michael cook
07/06/2016 12:44PM
Re: inner join vs left join - huge performance difference  
1,405
michael cook
07/06/2016 01:51PM
Re: inner join vs left join - huge performance difference  
1,405
Peter Brawley
07/06/2016 02:32PM
Re: inner join vs left join - huge performance difference  
1,152
michael cook
07/06/2016 02:41PM
Re: inner join vs left join - huge performance difference  
1,268
Rick James
07/08/2016 11:58PM
Re: inner join vs left join - huge performance difference  
1,433
Peter Brawley
07/09/2016 09:54AM
Re: inner join vs left join - huge performance difference  
1,518
Isabella Swan
09/27/2016 07:13AM
This topic has been moved.:  INSERT AfTER LEFT JOIN creates duplicate records  
10
Brad Liu
09/20/2016 02:09PM
MySQL 8.0: Invisible Indexes  
1,059
Edwin Desouza
09/20/2016 09:21AM
Preparse Query Rewrite Plugin DLL  
2,056
Francois Haddad
08/12/2016 05:16PM
Re: Preparse Query Rewrite Plugin DLL  
764
Georgi Kodinov
09/08/2016 02:23AM
Re: Preparse Query Rewrite Plugin DLL  
1,096
Francois Haddad
09/14/2016 07:04PM
Re: Preparse Query Rewrite Plugin DLL  
825
Tor Didriksen
09/15/2016 01:40AM
Re: Preparse Query Rewrite Plugin DLL  
938
Francois Haddad
09/15/2016 11:34AM
Preparse Query Rewrite Plugin DLL  
1,719
Francois Haddad
06/03/2016 12:41PM
Re: Preparse Query Rewrite Plugin DLL  
677
Francois Haddad
06/03/2016 03:13PM
Re: Preparse Query Rewrite Plugin DLL  
667
Georgi Kodinov
06/28/2016 02:12AM
Re: Preparse Query Rewrite Plugin DLL  
653
Francois Haddad
08/12/2016 05:13PM
why the two query has a different execute plan?  
2,075
h h
08/22/2016 02:55AM
Re: why the two query has a different execute plan?  
733
Øystein Grøvlen
08/22/2016 05:08AM
Re: why the two query has a different execute plan?  
685
Rick James
08/26/2016 02:29PM
This topic has been moved.:  Preparse Query Rewrite Plugin DLL  
642
Francois Haddad
08/15/2016 09:28AM
how to optimize this sql?  
1,321
h h
07/07/2016 07:38PM
Re: how to optimize this sql?  
907
Peter Brawley
07/08/2016 10:59AM
Re: how to optimize this sql?  
885
h h
07/12/2016 09:01PM
Re: how to optimize this sql?  
820
Rick James
07/09/2016 11:04PM
Re: how to optimize this sql?  
813
h h
07/12/2016 09:08PM
Re: how to optimize this sql?  
794
Rick James
07/14/2016 12:52PM
Indexing for date column for range query  
1,197
duc minh
07/05/2016 11:04PM
Re: Indexing for date column for range query  
709
Rick James
07/09/2016 10:47PM
Help with partially unique index  
1,370
El T
06/22/2016 04:44AM
Re: Help with partially unique index  
828
Rick James
06/25/2016 10:45PM
Re: Help with partially unique index  
893
El T
07/02/2016 03:33PM
Re: Help with partially unique index  
699
Rick James
07/04/2016 12:50PM
Explain plans for InnoDB and Memory Engines  
1,390
Jagan Kumar
05/02/2016 03:15PM
Re: Explain plans for InnoDB and Memory Engines  
687
Peter Brawley
05/02/2016 09:23PM
Re: Explain plans for InnoDB and Memory Engines  
856
Øystein Grøvlen
05/04/2016 05:17AM
Re: Explain plans for InnoDB and Memory Engines  
778
Rick James
05/05/2016 10:18PM
MySQL Query Rewrite Plugins  
1,189
Edwin Desouza
02/02/2016 09:48PM
why left join can not use unique index?  
2,333
h h
12/07/2015 08:30PM
Re: why left join can not use unique index?  
975
Rick James
12/08/2015 08:46PM
Re: why left join can not use unique index?  
854
h h
12/11/2015 03:20AM
Re: why left join can not use unique index?  
881
Rick James
12/15/2015 11:08AM
This topic has been moved.:  A stored function to remove diacritics and other chars  
20
Marc Elbet
12/11/2015 03:50AM
prepared statement query takes 3s for a few hundred lines - query issue  
1,421
Michael W.
11/16/2015 11:14AM
Re: prepared statement query takes 3s for a few hundred lines - query issue  
890
Rick James
11/30/2015 08:09PM
Re: prepared statement query takes 3s for a few hundred lines - query issue  
939
Michael W.
12/01/2015 07:10AM
Re: prepared statement query takes 3s for a few hundred lines - query issue  
930
Rick James
12/07/2015 01:17AM
Why not use index  
1,613
zhang peng
11/08/2015 11:14PM
Re: Why not use index  
809
Peter Brawley
11/09/2015 11:42AM
Re: Why not use index  
838
zhang peng
11/11/2015 12:17AM
Re: Why not use index  
869
Øystein Grøvlen
11/10/2015 10:35AM
Re: Why not use index  
1,018
zhang peng
11/11/2015 12:15AM
Re: Why not use index  
901
Øystein Grøvlen
11/11/2015 03:40AM
Re: Why not use index  
1,140
zhang peng
11/11/2015 07:29PM
Re: Why not use index  
802
Peter Brawley
11/11/2015 11:00PM
Re: Why not use index  
884
Øystein Grøvlen
11/12/2015 01:48AM
Re: Why not use index  
865
zhang peng
11/16/2015 12:17AM
Google Update Optimizer system  
1,480
Anik Bhowmik
11/09/2015 09:35PM
Re: Google Update Optimizer system  
874
Peter Brawley
11/09/2015 10:12PM
Re: Google Update Optimizer system  
803
Jonathan Stephens
11/10/2015 01:02AM
Normalize dump table  
2,351
Jose Valle
10/11/2015 08:37PM
Re: Normalize dump table  
846
Jose Valle
10/11/2015 08:42PM
Re: Normalize dump table  
1,042
Antonio Valle
10/13/2015 01:41PM
Re: Normalize dump table  
940
Rick James
10/17/2015 07:15PM
optimize query for index using between and group by  
2,443
Raghavendra raghu
08/28/2015 03:21AM
Re: optimize query for index using between and group by  
1,399
Rick James
08/29/2015 09:56AM
Re: optimize query for index using between and group by  
898
Raghavendra raghu
08/31/2015 02:34AM
Parsing in MySQL Workbench: the ANTLR age  
1,728
Edwin Desouza
08/14/2015 10:16AM
MySQL Optimizer: Hints  
1,704
Edwin Desouza
07/29/2015 10:07AM
Index not working for date field used in between query  
5,276
Shrinivasa rao
07/22/2015 11:48PM
Re: Index not working for date field used in between query  
1,995
Rick James
07/26/2015 08:28AM
MyISAM using 'wrong' index  
1,799
Danny Stommen
06/08/2015 04:14AM
Re: MyISAM using 'wrong' index  
1,008
Rick James
06/09/2015 11:53PM
Re: MyISAM using 'wrong' index  
1,567
Danny Stommen
06/30/2015 03:22AM
Re: MyISAM using 'wrong' index  
1,212
Rick James
07/02/2015 09:28PM
Re: MyISAM using 'wrong' index  
1,034
Danny Stommen
07/03/2015 03:16AM
Re: MyISAM using 'wrong' index  
1,094
Rick James
07/04/2015 11:10AM
Re: MyISAM using 'wrong' index  
1,017
Danny Stommen
07/07/2015 01:56AM
Re: MyISAM using 'wrong' index  
921
Edwin Desouza
07/07/2015 09:10AM
Need help understanding optimizer behavior in 5.6  
2,126
Aaron Craven
06/22/2015 08:30AM
Re: Need help understanding optimizer behavior in 5.6  
1,047
Aaron Craven
06/22/2015 08:31AM
Re: Need help understanding optimizer behavior in 5.6  
1,045
Rick James
06/23/2015 07:00PM
Re: Need help understanding optimizer behavior in 5.6  
1,036
Aaron Craven
06/24/2015 06:22AM
Re: Need help understanding optimizer behavior in 5.6  
951
Rick James
06/25/2015 11:37PM
Re: Need help understanding optimizer behavior in 5.6  
1,024
Aaron Craven
06/26/2015 06:56AM
Re: Need help understanding optimizer behavior in 5.6  
1,032
Øystein Grøvlen
06/30/2015 05:46AM
Re: Need help understanding optimizer behavior in 5.6  
1,524
Aaron Craven
06/30/2015 08:06AM
Re: Need help understanding optimizer behavior in 5.6  
998
Aaron Craven
06/30/2015 08:16AM
Re: Need help understanding optimizer behavior in 5.6  
1,176
Øystein Grøvlen
07/01/2015 03:49AM
Re: Need help understanding optimizer behavior in 5.6  
1,190
Aaron Craven
07/01/2015 06:48AM
Re: Need help understanding optimizer behavior in 5.6  
1,034
Edwin Desouza
07/01/2015 03:05PM
Re: Need help understanding optimizer behavior in 5.6  
1,024
Aaron Craven
07/02/2015 07:48AM
MySQL 5.7: Optimizer Trace and EXPLAIN FORMAT=JSON  
2,088
Edwin Desouza
05/25/2015 10:41AM
This topic has been moved.:  Improve search when using IN() ORDER BY PRIMARY and LIMIT  
0
jon sans
02/11/2017 01:36PM
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