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mysql subquery query optimization question  
3,266
Yong Yim
01/12/2013 09:24AM
Re: mysql subquery query optimization question  
1,494
Rick James
01/13/2013 11:30AM
Create a New Datatype  
2,848
Andy Gurzynski
01/06/2013 01:00AM
Re: Create a New Datatype  
1,432
Rick James
01/07/2013 11:01PM
MySQL Optimizer: InnoDB extended secondary keys  
2,787
Edwin Desouza
12/21/2012 12:12PM
Optimizer for innodb does not reduce "data_free"  
5,360
Sebastian Schött
12/06/2012 03:39AM
Re: Optimizer for innodb does not reduce "data_free"  
2,035
Rick James
12/08/2012 01:33PM
Complex query - need advise  
3,252
chris boer
11/03/2012 04:16PM
Re: Complex query - need advise  
1,614
chris boer
11/03/2012 04:24PM
Re: Complex query - need advise  
1,574
chris boer
11/04/2012 10:05AM
Re: Complex query - need advise  
1,940
Rick James
11/05/2012 11:12AM
Follow up on "Query Execution Plan"  
2,778
Chris Slominski
10/24/2012 11:59AM
Re: Follow up on "Query Execution Plan"  
1,556
Chris Slominski
10/25/2012 11:14AM
Re: Follow up on "Query Execution Plan"  
1,401
Chris Slominski
10/25/2012 06:15AM
JOIN query too slow  
2,980
N. Kovac
10/13/2012 11:52AM
Re: JOIN query too slow  
1,460
Peter Brawley
10/14/2012 10:26AM
Re: JOIN query too slow  
1,525
Rick James
10/16/2012 07:48PM
bulk update very slow  
5,407
james che
09/25/2012 02:51PM
Re: bulk update very slow  
2,183
james che
09/26/2012 02:58PM
Re: bulk update very slow  
2,259
Rick James
09/27/2012 08:19PM
Re: bulk update very slow  
3,758
Jørgen Løland
09/27/2012 12:01PM
Why Query Cache Actived Returns Wrong Results?  
3,361
Daniel Estrada
09/22/2012 08:57PM
Re: Why Query Cache Actived Returns Wrong Results?  
1,933
Rick James
09/23/2012 03:46PM
Re: Why Query Cache Actived Returns Wrong Results?  
1,850
Daniel Estrada
09/23/2012 08:24PM
Re: Why Query Cache Actived Returns Wrong Results?  
1,436
Rick James
09/24/2012 11:43PM
Join? Union? I am so lost.  
2,797
Hank Reardon
09/17/2012 09:09AM
Re: Join? Union? I am so lost.  
1,447
Rick James
09/18/2012 07:48AM
How make indexes work with group by statement  
2,729
Adnan Raza
09/13/2012 12:48AM
Re: How make indexes work with group by statement  
1,560
Rick James
09/15/2012 10:34PM
Re: How make indexes work with group by statement  
1,569
Jørgen Løland
09/13/2012 01:50AM
Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27  
3,128
Dominik Bieringer
09/05/2012 02:57AM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27  
1,460
Rick James
09/06/2012 10:42PM
Re: Query Optimizer Problem - OrderBy - 5.0.51 to 5.5.27  
1,552
Øystein Grøvlen
09/06/2012 04:32AM
optimize the query  
2,825
ch srinivas
08/27/2012 10:47PM
Re: optimize the query  
1,461
Øystein Grøvlen
08/28/2012 01:43AM
Re: optimize the query  
1,391
ch srinivas
08/29/2012 04:15AM
Re: optimize the query  
1,511
Øystein Grøvlen
08/29/2012 04:39AM
Re: optimize the query  
1,350
ch srinivas
08/29/2012 05:38AM
Re: optimize the query  
1,447
Rick James
08/30/2012 07:20AM
Query with GROUP BY not using Index  
3,399
Imran Akbar
08/14/2012 01:06PM
Re: Query with GROUP BY not using Index  
1,735
Øystein Grøvlen
08/15/2012 02:46AM
Re: Query with GROUP BY not using Index  
1,554
Imran Akbar
08/16/2012 10:30AM
Re: Query with GROUP BY not using Index  
1,875
Øystein Grøvlen
08/17/2012 02:58AM
Re: Query with GROUP BY not using Index  
1,577
Rick James
08/18/2012 10:30PM
Re: Query with GROUP BY not using Index  
1,539
Imran Akbar
08/24/2012 12:41PM
Re: Query with GROUP BY not using Index  
1,601
Øystein Grøvlen
08/28/2012 03:11AM
Re: Query with GROUP BY not using Index  
1,685
Imran Akbar
08/28/2012 06:21PM
Re: Query with GROUP BY not using Index  
2,038
Øystein Grøvlen
08/29/2012 01:28AM
Re: Query with GROUP BY not using Index  
1,489
Imran Akbar
08/29/2012 10:36AM
CONCAT and Index in where clause  
17,913
Aurelien PANIZZA
08/22/2012 08:45AM
Re: CONCAT and Index in where clause  
5,939
Øystein Grøvlen
08/23/2012 01:15AM
Re: CONCAT and Index in where clause  
4,573
Rick James
08/23/2012 09:13PM
Re: CONCAT and Index in where clause  
4,675
Aurelien PANIZZA
08/27/2012 09:53AM
Re: CONCAT and Index in where clause  
4,724
Øystein Grøvlen
08/28/2012 02:50AM
Simple query spending too much time in 'statistics' state without reason  
12,746
Vincent B.
08/21/2012 06:19AM
Re: Simple query spending too much time in 'statistics' state without reason  
6,742
Jørgen Løland
08/24/2012 06:24AM
Re: Simple query spending too much time in 'statistics' state without reason  
5,029
Vincent B.
08/28/2012 01:53AM
Re: Simple query spending too much time in 'statistics' state without reason  
6,296
Rick James
08/22/2012 07:44PM
Order By Slows down Joins  
4,003
Sami BH
08/22/2012 09:12AM
Re: Order By Slows down Joins  
1,332
Rick James
08/23/2012 08:56PM
always uses filesort even after adding indexes  
3,155
Pranav Gore
08/22/2012 02:49AM
Re: always uses filesort even after adding indexes  
1,434
Rick James
08/22/2012 10:52PM
STRAIGHT_JOIN for OUTER JOINGS  
4,316
Paul Tsui
08/19/2012 08:28PM
Re: STRAIGHT_JOIN for OUTER JOINGS  
2,241
Øystein Grøvlen
08/20/2012 05:16AM
CPU usage 99% - and query very slow - help  
5,473
irox ferenc
08/03/2012 10:49AM
Re: CPU usage 99% - and query very slow - help  
2,172
Rick James
08/04/2012 01:36PM
Re: CPU usage 99% - and query very slow - help  
2,965
robert eeeeee
08/06/2012 01:04PM
Re: CPU usage 99% - and query very slow - help  
2,320
Øystein Grøvlen
08/15/2012 03:09AM
Execution plan: wrong index selected, very poor performance.  
4,933
Andrej Andrejevic
07/18/2012 10:31AM
Re: Execution plan: wrong index selected, very poor performance.  
1,977
Rick James
07/19/2012 10:07PM
Re: Execution plan: wrong index selected, very poor performance.  
1,793
Andrej Andrejevic
07/20/2012 01:38AM
Re: Execution plan: wrong index selected, very poor performance.  
1,531
Andrej Andrejevic
07/24/2012 04:27AM
Re: Execution plan: wrong index selected, very poor performance.  
1,666
Rick James
07/25/2012 12:21AM
Index for Query  
3,372
dileep ch
07/17/2012 12:41AM
Re: Index for Query  
1,675
Rick James
07/17/2012 10:36PM
Re: Index for Query  
1,611
dileep ch
07/18/2012 11:52PM
Re: Index for Query  
2,299
Rick James
07/19/2012 09:49PM
best way to optimize this query  
3,206
Jap bn
07/14/2012 09:54AM
Re: best way to optimize this query  
1,802
Rick James
07/15/2012 10:11PM
Optimizer being overly aggressive  
3,073
Adrian Cornish
07/06/2012 08:18PM
Re: Optimizer being overly aggressive  
1,564
Rick James
07/10/2012 12:49PM
Re: Optimizer being overly aggressive  
1,556
Adrian Cornish
07/10/2012 08:54PM
multiple-column index and order by  
3,335
Raphael Hoffmann
07/06/2012 05:59PM
Re: multiple-column index and order by  
1,610
Rick James
07/10/2012 12:55PM
From Months to Seconds with Subquery Materialization  
2,505
Edwin DeSouza
07/09/2012 11:15AM
performing mysqldump corrected query issue?  
2,855
Peter Sylvester
06/26/2012 01:12PM
Re: performing mysqldump corrected query issue?  
1,584
Rick James
07/01/2012 06:43PM
Re: performing mysqldump corrected query issue?  
1,402
Peter Sylvester
06/26/2012 02:08PM
difference between READ and SCAN  
2,582
Linhai Song
06/20/2012 04:05PM
Re: difference between READ and SCAN  
1,342
Rick James
06/20/2012 08:23PM
Re: difference between READ and SCAN  
1,676
Linhai Song
06/21/2012 12:19PM
to optimize a self join request  
2,546
Oracleuser user
06/14/2012 08:23AM
Re: to optimize a self join request  
1,631
Rick James
06/15/2012 08:19AM
Call out for FULL JOIN - bug #18003  
2,568
ted strauss
06/14/2012 10:23AM
Re: Call out for FULL JOIN - bug #18003  
1,237
ted strauss
06/14/2012 12:13PM
index cannot be used when passing 'int' to 'varchar'  
3,369
liao zhifeng
06/10/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'  
1,512
Rick James
06/11/2012 11:27PM
Re: index cannot be used when passing 'int' to 'varchar'  
1,451
liao zhifeng
06/12/2012 12:48AM
Re: index cannot be used when passing 'int' to 'varchar'  
1,521
Rick James
06/12/2012 09:23PM
Re: index cannot be used when passing 'int' to 'varchar'  
1,711
liao zhifeng
06/12/2012 11:16PM
Re: index cannot be used when passing 'int' to 'varchar'  
1,463
Rick James
06/13/2012 07:15PM
Re: index cannot be used when passing 'int' to 'varchar'  
1,443
liao zhifeng
06/13/2012 10:35PM
Table does not support optimize...  
4,215
Piotr Ch
06/02/2012 12:58AM
Querying a fast subquery never returns  
2,540
Eric Coll
05/22/2012 05:15PM
Re: Querying a fast subquery never returns  
1,413
Eric Coll
05/22/2012 05:19PM
Re: Querying a fast subquery never returns  
1,738
Rick James
05/24/2012 12:40AM
Re: Querying a fast subquery never returns  
1,693
Eric Coll
05/25/2012 11:15AM
Re: Querying a fast subquery never returns  
1,558
Rick James
05/26/2012 10:59AM
table index optimization  
2,773
Matus Zeman
05/01/2012 10:55AM
Re: table index optimization  
1,347
Rick James
05/02/2012 07:08PM
Re: table index optimization  
1,548
Rick James
05/05/2012 09:07AM
Re: table index optimization  
1,441
Matus Zeman
05/17/2012 09:25AM
Re: table index optimization  
1,691
Matus Zeman
05/04/2012 08:20AM
Query execution plan  
3,472
Chris Slominski
05/08/2012 12:38PM
Re: Query execution plan  
1,574
Rick James
05/09/2012 09:35PM
Re: Query execution plan  
1,645
Chris Slominski
05/10/2012 08:29AM
Re: Query execution plan  
1,595
Rick James
05/11/2012 07:16PM
Re: Query execution plan  
1,679
Chris Slominski
05/14/2012 05:27AM
Re: Query execution plan  
1,445
Rick James
05/15/2012 07:22PM
Re: Query execution plan  
1,426
Chris Slominski
05/09/2012 11:08AM
limit & scala subquery  
2,727
jongse park
05/08/2012 10:33PM
Re: limit & scala subquery  
1,321
Rick James
05/09/2012 09:21PM
Mysql slow upadte  
2,128
krishna krishna
04/30/2012 06:09AM
1000 Columns, 1000 Tables, or what?  
3,425
Fernando Oliveira
04/19/2012 08:09AM
Re: 1000 Columns, 1000 Tables, or what?  
1,645
Rick James
04/20/2012 06:50PM
Re: 1000 Columns, 1000 Tables, or what?  
1,443
Fernando Oliveira
04/23/2012 08:10AM
Re: 1000 Columns, 1000 Tables, or what?  
1,696
Rick James
04/26/2012 07:59AM
Help with query/tables optimization  
2,621
Oleg Ivanov
04/14/2012 05:20AM
Re: Help with query/tables optimization  
1,510
Rick James
04/16/2012 12:05AM
Re: Help with query/tables optimization  
1,604
Oleg Ivanov
04/16/2012 11:53AM
Re: Help with query/tables optimization  
1,938
Oleg Ivanov
04/16/2012 12:04PM
Identical servers different plan for the same query  
3,526
Eric Coll
04/07/2012 01:20AM
Re: Identical servers different plan for the same query  
1,614
Eric Coll
04/10/2012 03:28PM
Re: Identical servers different plan for the same query  
1,704
Rick James
04/10/2012 10:29PM
Re: Identical servers different plan for the same query  
1,534
Eric Coll
04/11/2012 10:05AM
Re: Identical servers different plan for the same query  
1,627
Rick James
04/12/2012 08:56AM
Re: Identical servers different plan for the same query  
1,623
Eric Coll
04/12/2012 03:23PM
Re: Identical servers different plan for the same query  
2,738
Rick James
04/13/2012 03:49PM
Re: Identical servers different plan for the same query  
1,592
Eric Coll
04/07/2012 09:55AM
Re: Identical servers different plan for the same query  
1,575
irek kordirko
04/07/2012 02:54PM
Re: Identical servers different plan for the same query  
1,881
Rick James
04/08/2012 12:20PM
Re: Identical servers different plan for the same query  
2,047
Eric Coll
04/09/2012 10:24AM
Re: Identical servers different plan for the same query  
1,652
Eric Coll
04/09/2012 10:35AM
Re: Identical servers different plan for the same query  
1,532
Eric Coll
04/09/2012 10:37AM
Re: Identical servers different plan for the same query  
1,636
Eric Coll
04/09/2012 10:42AM
MySQL Optimizer: Improved DBT-3 Results with MySQL 5.6.5  
2,183
Edwin DeSouza
04/10/2012 05:31PM
MySQL Optimizer: Improvements for many-table joins  
2,112
Edwin DeSouza
04/10/2012 02:54PM
MySQL Optimizer Team Blog  
2,456
Edwin DeSouza
04/10/2012 01:58PM
MySQL Optimizer: Index Condition Pushdown to the rescue!  
2,248
Edwin DeSouza
04/10/2012 01:56PM
MySQL Optimizer: Semi-join in MySQL 5.6  
1,850
Edwin DeSouza
04/10/2012 01:56PM
MySQL Optimizer: On queries with many values in the IN clause  
2,085
Edwin DeSouza
04/10/2012 01:55PM
MySQL Optimizer: Faster subqueries with materialization  
1,901
Edwin DeSouza
04/10/2012 01:54PM
MySQL Optimizer: Structured EXPLAIN (JSON)  
2,365
Edwin DeSouza
04/10/2012 01:54PM
LEFT JOIN WHERE GROUP BY  
3,382
Daniel Flöijer
04/02/2012 02:51AM
Re: LEFT JOIN WHERE GROUP BY  
1,706
Rick James
04/05/2012 08:01PM
Re: LEFT JOIN WHERE GROUP BY  
1,466
irek kordirko
04/02/2012 12:04PM
Re: LEFT JOIN WHERE GROUP BY  
1,478
Daniel Flöijer
04/02/2012 01:24PM
Re: LEFT JOIN WHERE GROUP BY  
1,498
irek kordirko
04/02/2012 04:29PM
Re: LEFT JOIN WHERE GROUP BY  
2,201
Daniel Flöijer
04/03/2012 12:50AM
Re: LEFT JOIN WHERE GROUP BY  
1,493
irek kordirko
04/03/2012 05:40PM
Re: LEFT JOIN WHERE GROUP BY  
1,588
Daniel Flöijer
04/03/2012 11:22PM
Re: LEFT JOIN WHERE GROUP BY  
1,451
irek kordirko
04/04/2012 05:12PM
Re: LEFT JOIN WHERE GROUP BY  
1,199
Daniel Flöijer
04/04/2012 11:10PM
Explain the order of query  
2,715
jongse park
03/19/2012 01:49AM
Re: Explain the order of query  
1,410
Rick James
03/19/2012 10:38PM
Re: Explain the order of query  
1,411
jongse park
03/21/2012 07:06PM
Re: Explain the order of query  
1,821
Jørgen Løland
03/28/2012 05:06AM
Re: Explain the order of query  
1,189
Rick James
03/22/2012 06:01PM
Re: Explain the order of query  
1,180
jongse park
03/22/2012 08:13PM
Re: Explain the order of query  
1,191
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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