MySQL Forums
Forum List  »  Optimizer & Parser
Announcements Last Post
•   MySQL Enterprise Backup 3.12.4 has been released 02/15/2019 04:56AM
•   MySQL Enterprise Backup 4.1.3 has been released 02/15/2019 12:03AM
•   MySQL Enterprise Backup 8.0.15 has been released 02/01/2019 01:24PM
•   MySQL Router 8.0.15 for MySQL Server 8.0 and 5.7 has been released 02/01/2019 01:18PM
•   MySQL Connector/Node.js 8.0.15 has been released 02/01/2019 12:14PM

Advanced Search
New Topic
Pages:
1 2 3 4 5
...
18 »

Subject
Views
Written By
Posted
Sticky:  MySQL 8.0: One Giant Leap For SQL (1 Posts)  
249
Edwin Desouza
04/25/2018 10:16AM
Sticky:  Unofficial MySQL 8.0 Optimizer Guide (1 Posts)  
508
Edwin Desouza
02/13/2017 04:16PM
Sticky:  MySQL 8.0: Window Functions (1 Posts)  
456
Edwin Desouza
02/04/2017 08:57PM
Sticky:  MySQL 8.0: CTEs (1 Posts)  
773
Edwin Desouza
10/18/2016 09:38AM
Sticky:  MySQL 8.0: Optimizer & Parser (1 Posts)  
838
Edwin Desouza
09/13/2016 10:54AM
Sticky:  MySQL Performance Tuning (1 Posts)  
1,586
Edwin Desouza
07/06/2015 10:37AM
Sticky:  MySQL Parser (1 Posts)  
2,262
Edwin Desouza
04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)  
3,702
Edwin Desouza
12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)  
4,208
Edwin Desouza
07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)  
9,856
Edwin DeSouza
04/28/2007 06:20PM
MySQL 8.0: New Index Features  
21
Edwin Desouza
02/08/2019 11:18AM
MySQL 8.0: support for LATERAL derived tables  
24
Edwin Desouza
01/31/2019 11:07AM
MySQL 8.0: Keywords  
68
Edwin Desouza
01/10/2019 09:22PM
MySQL 8.0: Window Functions with Unusual Boundaries  
73
Edwin Desouza
11/08/2018 02:42PM
More SQL in MySQL 8.0  
77
Edwin Desouza
11/06/2018 07:28PM
MySQL 8.0: What Is New in Optimizer and Executor?  
70
Edwin Desouza
11/01/2018 11:10AM
Optimizer Improvements in MySQL 8.0  
76
Edwin Desouza
10/31/2018 09:31PM
Indexes are not working after restoring dump  
114
Amit K
09/27/2018 11:25AM
Re: Indexes are not working after restoring dump  
63
Amit K
09/27/2018 01:39PM
Re: Indexes are not working after restoring dump  
59
Amit K
09/27/2018 01:45PM
Re: Indexes are not working after restoring dump  
48
Øystein Grøvlen
09/28/2018 12:21AM
Re: Indexes are not working after restoring dump  
60
Peter Brawley
09/27/2018 07:14PM
Re: Indexes are not working after restoring dump  
55
Amit K
09/27/2018 08:31PM
Re: Indexes are not working after restoring dump  
46
Peter Brawley
09/28/2018 11:08AM
Optimizer produces incorrect resultset  
68
J Barchan
09/27/2018 09:35AM
Manipulating queries with non-conforming data via MySQL Query Rewrite Plugin, triggers and stored procedures  
102
Edwin Desouza
09/07/2018 10:34AM
Where Clause Optimization  
147
Mohammed Yehia El Sayed Abdoh
08/31/2018 06:47AM
Re: Where Clause Optimization  
66
Peter Brawley
08/31/2018 01:55PM
Re: Where Clause Optimization  
64
Mohammed Yehia El Sayed Abdoh
08/31/2018 03:08PM
Re: Where Clause Optimization  
57
Øystein Grøvlen
09/03/2018 02:45AM
long execution time of all requests, drop base  
279
Уррик Зарик
06/10/2018 06:10AM
Re: long execution time of all requests, drop base  
109
Peter Brawley
06/10/2018 12:24PM
Re: long execution time of all requests, drop base  
77
Уррик Зарик
06/10/2018 12:40PM
Re: long execution time of all requests, drop base  
103
Peter Brawley
06/10/2018 02:24PM
Re: long execution time of all requests, drop base  
99
Urri Zar
06/11/2018 12:09AM
Re: long execution time of all requests, drop base  
77
Urri Zar
06/12/2018 10:25AM
Re: long execution time of all requests, drop base  
79
Peter Brawley
06/12/2018 10:27AM
Re: long execution time of all requests, drop base  
101
Urri Zar
06/12/2018 10:34AM
Re: long execution time of all requests, drop base  
138
Peter Brawley
06/12/2018 12:00PM
Create index for Join some table in MySQL  
167
Kenny Nguyen
05/20/2018 10:51PM
Re: Create index for Join some table in MySQL  
112
Øystein Grøvlen
05/30/2018 12:50AM
Determine time taken by commit statement after insert or update statement  
208
Priya Pawar
05/07/2018 02:01AM
Re: Determine time taken by commit statement after insert or update statement  
117
Jesús Uzcanga
05/07/2018 08:43AM
Re: Determine time taken by commit statement after insert or update statement  
108
Priya Pawar
05/08/2018 12:03AM
MySQL 8.0: One Giant Leap For SQL  
124
Edwin Desouza
04/25/2018 10:14AM
how to speed up query on a table with over 20million records?  
260
li zheng
03/25/2018 07:27AM
Re: how to speed up query on a table with over 20million records?  
141
li zheng
03/25/2018 08:38AM
Re: how to speed up query on a table with over 20million records?  
124
Peter Brawley
03/25/2018 01:59PM
Re: how to speed up query on a table with over 20million records?  
138
Peter Brawley
03/25/2018 03:04PM
Re: how to speed up query on a table with over 20million records?  
117
li zheng
03/25/2018 08:13PM
Re: how to speed up query on a table with over 20million records?  
133
Peter Brawley
03/25/2018 10:03PM
Re: how to speed up query on a table with over 20million records?  
125
li zheng
03/26/2018 02:41AM
optimize range query(using between, group by and order by)  
422
Özgen Erbakan
03/20/2018 02:34AM
Re: optimize range query(using between, group by and order by)  
275
Øystein Grøvlen
03/20/2018 03:52AM
Slow DELETE-Statement since update on 5.7  
314
engram GmbH
03/19/2018 07:51AM
Re: Slow DELETE-Statement since update on 5.7  
138
Peter Brawley
03/19/2018 11:40AM
Re: Slow DELETE-Statement since update on 5.7  
160
Øystein Grøvlen
03/19/2018 01:15PM
Re: Slow DELETE-Statement since update on 5.7  
189
engram GmbH
03/20/2018 02:09AM
Optimizer choosing wrong index  
102
Daniel Kasak
03/19/2018 05:48PM
MySQL 8.0: Histograms  
162
Edwin Desouza
03/01/2018 02:27PM
Indexing a small table increases the query cost  
249
Aram Mirzadeh
02/28/2018 04:52AM
Re: Indexing a small table increases the query cost  
118
Peter Brawley
02/28/2018 08:50AM
Re: Indexing a small table increases the query cost  
129
Aram Mirzadeh
02/28/2018 11:24AM
Re: Indexing a small table increases the query cost  
132
Aram Mirzadeh
02/28/2018 11:30AM
Re: Indexing a small table increases the query cost  
111
Peter Brawley
02/28/2018 12:58PM
Re: Indexing a small table increases the query cost  
162
Øystein Grøvlen
03/01/2018 03:15AM
MySQL: Ranking techniques  
202
Edwin Desouza
01/23/2018 11:23AM
MySQL 8.0: Row numbering, ranking: using Window Functions  
218
Edwin Desouza
12/22/2017 11:41PM
My query take along time  
316
Murawweh Daher
12/17/2017 07:18AM
Muranweh, please don't double-post  
120
Peter Brawley
12/17/2017 09:48AM
MySQL 8.0: Query Optimizer Takes Data Buffering into Account  
188
Edwin Desouza
12/07/2017 11:21AM
Compound index (pkey) not used when it should be  
275
Dan Parker
11/29/2017 01:39PM
Re: Compound index (pkey) not used when it should be  
186
Peter Brawley
11/29/2017 04:21PM
Re: Compound index (pkey) not used when it should be  
167
Dan Parker
11/29/2017 04:38PM
Re: Compound index (pkey) not used when it should be  
171
Peter Brawley
11/29/2017 05:16PM
Re: Compound index (pkey) not used when it should be  
169
Dan Parker
11/29/2017 05:25PM
Re: Compound index (pkey) not used when it should be  
166
Peter Brawley
11/29/2017 06:13PM
Re: Compound index (pkey) not used when it should be  
180
Dan Parker
11/29/2017 06:23PM
Re: Compound index (pkey) not used when it should be  
154
Peter Brawley
11/29/2017 07:46PM
Re: Compound index (pkey) not used when it should be  
156
Dan Parker
11/30/2017 10:31AM
Re: Compound index (pkey) not used when it should be  
157
Peter Brawley
12/01/2017 11:02AM
Re: Compound index (pkey) not used when it should be  
157
Dan Parker
12/01/2017 11:05AM
Re: Compound index (pkey) not used when it should be  
160
Peter Brawley
12/01/2017 11:19AM
Re: Compound index (pkey) not used when it should be  
156
Dan Parker
12/01/2017 11:26AM
Re: Compound index (pkey) not used when it should be  
157
Peter Brawley
12/01/2017 01:04PM
Re: Compound index (pkey) not used when it should be  
163
Dan Parker
12/01/2017 01:10PM
Re: Compound index (pkey) not used when it should be  
149
Peter Brawley
12/01/2017 05:01PM
Re: Compound index (pkey) not used when it should be  
163
Øystein Grøvlen
12/01/2017 10:10AM
Re: Compound index (pkey) not used when it should be  
153
Dan Parker
12/01/2017 10:36AM
Confirmation on possible parser bug  
283
Patrick Meredith
11/27/2017 10:47AM
Re: Confirmation on possible parser bug  
128
Peter Brawley
11/30/2017 11:20AM
Source code question related to sql_optimizer.cc line 8583  
312
Petru-Florin Mihancea
11/28/2017 04:20AM
Re: Source code question related to sql_optimizer.cc line 8583  
145
Øystein Grøvlen
11/28/2017 07:01AM
MySQL 8.0: Optimization to skip index dives with FORCE INDEX.  
337
Edwin Desouza
11/17/2017 09:50AM
Is Union Queries run in Parallel form or not.  
389
Azeem Haider
10/17/2017 11:40PM
Re: Is Union Queries run in Parallel form or not.  
183
Peter Brawley
10/18/2017 08:32AM
Re: Is Union Queries run in Parallel form or not.  
194
Azeem Haider
10/18/2017 10:43PM
Re: Is Union Queries run in Parallel form or not.  
166
Peter Brawley
10/18/2017 10:55PM
Re: Is Union Queries run in Parallel form or not.  
230
Øystein Grøvlen
10/19/2017 03:02AM
MySQL 8.0: Window Functions  
226
Edwin Desouza
10/04/2017 06:03PM
Grammer Rule for Parenthesis in Select Statement  
419
Sushant Choudhary
09/21/2017 12:47PM
Please don't duplicate posts  
225
Peter Brawley
09/21/2017 12:49PM
Help with explain on query  
340
Alex Titley
08/16/2017 09:09AM
Re: Help with explain on query  
162
Peter Brawley
08/16/2017 10:07AM
Optimizer Stablility  
299
Chris Reston
08/16/2017 12:56AM
Re: Optimizer Stablility  
188
Øystein Grøvlen
08/16/2017 02:19AM
Way to avoid fragmentation of MySQL tables  
306
Priya Pawar
07/30/2017 11:01AM
Re: Way to avoid fragmentation of MySQL tables  
221
Peter Brawley
07/30/2017 04:41PM
Re: Way to avoid fragmentation of MySQL tables  
178
Priya Pawar
07/30/2017 11:10PM
MySQL 8.0.2: Introducing Window Functions  
287
Edwin Desouza
07/18/2017 10:33AM
Can anyone help speed up this query?  
376
Search Team
06/21/2017 11:07AM
Re: Can anyone help speed up this query?  
220
Peter Brawley
06/21/2017 02:53PM
Re: Can anyone help speed up this query?  
217
Search Team
06/22/2017 09:15AM
Re: Can anyone help speed up this query?  
242
Peter Brawley
06/22/2017 12:54PM
Re: Can anyone help speed up this query?  
200
Search Team
06/23/2017 07:50AM
Re: Can anyone help speed up this query?  
183
Peter Brawley
06/23/2017 11:14AM
Re: Can anyone help speed up this query?  
199
Øystein Grøvlen
06/22/2017 01:18AM
Re: Can anyone help speed up this query?  
218
Search Team
06/22/2017 09:56AM
Re: Can anyone help speed up this query?  
206
Øystein Grøvlen
06/23/2017 12:53AM
Is there a better ANTLR grammar file for MySQL ?  
998
Bill Nicholson
05/28/2017 05:07PM
Re: Is there a better ANTLR grammar file for MySQL ?  
381
Edwin Desouza
05/29/2017 11:43PM
Re: Is there a better ANTLR grammar file for MySQL ?  
370
Edwin Desouza
05/30/2017 07:57AM
MySQL 8.0.1: [Recursive] Common Table Expressions in MySQL (CTEs), Part Four – depth-first or breadth-first traversal, transitive closure, cycle avoidance  
466
Edwin Desouza
05/23/2017 11:01AM
MySQL Index Advisor for SQL Tuning  
1,463
Chaitanya Challa
05/10/2017 09:12PM
Re: MySQL Index Advisor for SQL Tuning  
911
Edwin Desouza
05/10/2017 10:57PM
Re: MySQL Index Advisor for SQL Tuning  
573
Chaitanya Challa
05/11/2017 08:08AM
MySQL 8.0: CTEs Recursive Query Throwdown  
418
Edwin Desouza
05/05/2017 06:14PM
MySQL 8.0: GROUPING function  
321
Edwin Desouza
05/02/2017 10:37AM
How to Analyze and Tune MySQL Queries for Better Performance  
359
Edwin Desouza
04/27/2017 11:32AM
MySQL 8.0: Optimizer: What's New  
398
Edwin Desouza
04/27/2017 11:31AM
MySQL 8.0 Optimizer Guide  
447
Edwin Desouza
04/27/2017 11:30AM
MySQL 8.0.1: Using SKIP LOCKED and NOWAIT to handle hot rows  
430
Edwin Desouza
04/12/2017 11:57AM
MySQL 8.0: Improved performance with CTE  
374
Edwin Desouza
04/12/2017 11:57AM
MySQL 5.7: What to Do When the Optimizer Overestimates the Condition Filtering Effect  
380
Edwin Desouza
03/24/2017 11:30AM
prepare don't work for optimize statement  
496
Long WU
03/22/2017 12:30AM
Re: prepare don't work for optimize statement  
210
Øystein Grøvlen
03/22/2017 01:34AM
MySQL 5.7: Improved JOIN Order by Taking Condition Filter Effect into Account  
453
Edwin Desouza
03/17/2017 02:49PM
This topic has been moved.:  My query take along time  
0
Murawweh Daher
12/17/2017 09:37AM
This topic has been moved.:  Is Union Queries run in Parallel form or not.  
0
Azeem Haider
10/18/2017 10:56PM
Pages:
1 2 3 4 5
...
18 »

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.