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Sticky:  MySQL 8.0: Hash Join and EXPLAIN ANALYZE (1 Posts)  
22
Edwin Desouza
10/01/2019 05:40PM
Sticky:  MySQL 8.0: One Giant Leap For SQL (1 Posts)  
405
Edwin Desouza
04/25/2018 10:16AM
Sticky:  Unofficial MySQL 8.0 Optimizer Guide (1 Posts)  
651
Edwin Desouza
02/13/2017 04:16PM
Sticky:  MySQL 8.0: Window Functions (1 Posts)  
566
Edwin Desouza
02/04/2017 08:57PM
Sticky:  MySQL 8.0: CTEs (1 Posts)  
918
Edwin Desouza
10/18/2016 09:38AM
Sticky:  MySQL 8.0: Optimizer & Parser (1 Posts)  
1,026
Edwin Desouza
09/13/2016 10:54AM
Sticky:  MySQL Performance Tuning (1 Posts)  
1,716
Edwin Desouza
07/06/2015 10:37AM
Sticky:  MySQL Parser (1 Posts)  
2,419
Edwin Desouza
04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)  
3,823
Edwin Desouza
12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)  
4,328
Edwin Desouza
07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)  
10,041
Edwin DeSouza
04/28/2007 06:20PM
Slow Query  
175
Deepak Nirmul
06/21/2019 04:47AM
Re: Slow Query  
48
Peter Brawley
06/21/2019 10:17AM
Re: Slow Query  
47
Deepak Nirmul
06/24/2019 02:18AM
Re: Slow Query  
49
Peter Brawley
06/24/2019 09:56AM
Re: Slow Query  
49
Deepak Nirmul
06/24/2019 10:15AM
Re: Slow Query  
49
Peter Brawley
06/24/2019 10:45AM
Re: Slow Query  
14
Gopal venkat
09/04/2019 11:47AM
Gopal, please don't hijack threads  
13
Peter Brawley
09/04/2019 02:32PM
Re: Slow Query  
15
marimuthu B
09/06/2019 05:59AM
Re: Slow Query  
17
Peter Brawley
09/06/2019 09:57AM
MySQL 8.0: Supporting all kinds of outer references in derived tables (lateral, or not)  
80
Edwin Desouza
07/12/2019 11:13AM
setting an index for speed  
123
Michael Peters
07/02/2019 04:56AM
Re: setting an index for speed  
51
Peter Brawley
07/02/2019 12:29PM
Query optimization and indexing - Help needed  
141
Pandit P
06/13/2019 06:41AM
Re: Query optimization and indexing - Help needed  
51
Peter Brawley
06/13/2019 12:55PM
Re: Query optimization and indexing - Help needed  
48
Pandit P
06/14/2019 12:01AM
Re: Query optimization and indexing - Help needed  
52
Peter Brawley
06/14/2019 07:51AM
Is the query order guaranteed using Btree indexes and no ORDER BY  
129
Ted Johnson
05/29/2019 02:12PM
Re: Is the query order guaranteed using Btree indexes and no ORDER BY  
50
Peter Brawley
05/29/2019 03:00PM
Re: Is the query order guaranteed using Btree indexes and no ORDER BY  
40
Ted Johnson
05/29/2019 04:41PM
CHECK constraints in MySQL  
101
Edwin Desouza
05/14/2019 09:37AM
MySQL 8.0: Removal of implicit and explicit sorting for GROUP BY  
142
Edwin Desouza
04/10/2019 09:14AM
Comparing two columns on big table  
136
Krzysztof Wróblewski
03/21/2019 03:24PM
Re: Comparing two columns on big table  
81
Peter Brawley
03/21/2019 04:24PM
help with this query  
156
sha fendi
03/16/2019 09:17PM
Re: help with this query  
81
Peter Brawley
03/17/2019 11:04AM
MySQL Functional Indexes  
128
Edwin Desouza
03/14/2019 09:49AM
MySQL 8.0: Query analytics [CTEs, Window Functions]  
133
Edwin Desouza
03/09/2019 11:04PM
MySQL 8.0: Improvements to ROLLUP  
130
Edwin Desouza
03/05/2019 11:53AM
MySQL 8.0: Window Functions for JSON  
119
Edwin Desouza
02/21/2019 11:08AM
what's the execution order of each part of a sql query  
170
aaron chan
02/19/2019 09:00PM
Re: what's the execution order of each part of a sql query  
80
Peter Brawley
02/20/2019 10:47AM
MySQL 8.0: New Index Features  
182
Edwin Desouza
02/08/2019 11:18AM
MySQL 8.0: support for LATERAL derived tables  
161
Edwin Desouza
01/31/2019 11:07AM
MySQL 8.0: Keywords  
303
Edwin Desouza
01/10/2019 09:22PM
MySQL 8.0: Window Functions with Unusual Boundaries  
234
Edwin Desouza
11/08/2018 02:42PM
More SQL in MySQL 8.0  
398
Edwin Desouza
11/06/2018 07:28PM
MySQL 8.0: What Is New in Optimizer and Executor?  
244
Edwin Desouza
11/01/2018 11:10AM
Optimizer Improvements in MySQL 8.0  
223
Edwin Desouza
10/31/2018 09:31PM
Indexes are not working after restoring dump  
283
Amit K
09/27/2018 11:25AM
Re: Indexes are not working after restoring dump  
177
Amit K
09/27/2018 01:39PM
Re: Indexes are not working after restoring dump  
166
Amit K
09/27/2018 01:45PM
Re: Indexes are not working after restoring dump  
150
Øystein Grøvlen
09/28/2018 12:21AM
Re: Indexes are not working after restoring dump  
181
Peter Brawley
09/27/2018 07:14PM
Re: Indexes are not working after restoring dump  
175
Amit K
09/27/2018 08:31PM
Re: Indexes are not working after restoring dump  
156
Peter Brawley
09/28/2018 11:08AM
Optimizer produces incorrect resultset  
222
J Barchan
09/27/2018 09:35AM
Manipulating queries with non-conforming data via MySQL Query Rewrite Plugin, triggers and stored procedures  
257
Edwin Desouza
09/07/2018 10:34AM
Where Clause Optimization  
345
Mohammed Yehia El Sayed Abdoh
08/31/2018 06:47AM
Re: Where Clause Optimization  
164
Peter Brawley
08/31/2018 01:55PM
Re: Where Clause Optimization  
167
Mohammed Yehia El Sayed Abdoh
08/31/2018 03:08PM
Re: Where Clause Optimization  
169
Øystein Grøvlen
09/03/2018 02:45AM
long execution time of all requests, drop base  
492
Уррик Зарик
06/10/2018 06:10AM
Re: long execution time of all requests, drop base  
203
Peter Brawley
06/10/2018 12:24PM
Re: long execution time of all requests, drop base  
174
Уррик Зарик
06/10/2018 12:40PM
Re: long execution time of all requests, drop base  
203
Peter Brawley
06/10/2018 02:24PM
Re: long execution time of all requests, drop base  
230
Urri Zar
06/11/2018 12:09AM
Re: long execution time of all requests, drop base  
160
Urri Zar
06/12/2018 10:25AM
Re: long execution time of all requests, drop base  
178
Peter Brawley
06/12/2018 10:27AM
Re: long execution time of all requests, drop base  
238
Urri Zar
06/12/2018 10:34AM
Re: long execution time of all requests, drop base  
274
Peter Brawley
06/12/2018 12:00PM
Create index for Join some table in MySQL  
320
Kenny Nguyen
05/20/2018 10:51PM
Re: Create index for Join some table in MySQL  
209
Øystein Grøvlen
05/30/2018 12:50AM
Determine time taken by commit statement after insert or update statement  
400
Priya Pawar
05/07/2018 02:01AM
Re: Determine time taken by commit statement after insert or update statement  
230
Jesús Uzcanga
05/07/2018 08:43AM
Re: Determine time taken by commit statement after insert or update statement  
202
Priya Pawar
05/08/2018 12:03AM
MySQL 8.0: One Giant Leap For SQL  
243
Edwin Desouza
04/25/2018 10:14AM
how to speed up query on a table with over 20million records?  
429
li zheng
03/25/2018 07:27AM
Re: how to speed up query on a table with over 20million records?  
259
li zheng
03/25/2018 08:38AM
Re: how to speed up query on a table with over 20million records?  
213
Peter Brawley
03/25/2018 01:59PM
Re: how to speed up query on a table with over 20million records?  
252
Peter Brawley
03/25/2018 03:04PM
Re: how to speed up query on a table with over 20million records?  
228
li zheng
03/25/2018 08:13PM
Re: how to speed up query on a table with over 20million records?  
245
Peter Brawley
03/25/2018 10:03PM
Re: how to speed up query on a table with over 20million records?  
209
li zheng
03/26/2018 02:41AM
optimize range query(using between, group by and order by)  
776
Özgen Erbakan
03/20/2018 02:34AM
Re: optimize range query(using between, group by and order by)  
422
Øystein Grøvlen
03/20/2018 03:52AM
Slow DELETE-Statement since update on 5.7  
692
engram GmbH
03/19/2018 07:51AM
Re: Slow DELETE-Statement since update on 5.7  
322
Peter Brawley
03/19/2018 11:40AM
Re: Slow DELETE-Statement since update on 5.7  
337
Øystein Grøvlen
03/19/2018 01:15PM
Re: Slow DELETE-Statement since update on 5.7  
350
engram GmbH
03/20/2018 02:09AM
Optimizer choosing wrong index  
263
Daniel Kasak
03/19/2018 05:48PM
MySQL 8.0: Histograms  
275
Edwin Desouza
03/01/2018 02:27PM
Indexing a small table increases the query cost  
473
Aram Mirzadeh
02/28/2018 04:52AM
Re: Indexing a small table increases the query cost  
218
Peter Brawley
02/28/2018 08:50AM
Re: Indexing a small table increases the query cost  
248
Aram Mirzadeh
02/28/2018 11:24AM
Re: Indexing a small table increases the query cost  
222
Aram Mirzadeh
02/28/2018 11:30AM
Re: Indexing a small table increases the query cost  
204
Peter Brawley
02/28/2018 12:58PM
Re: Indexing a small table increases the query cost  
267
Øystein Grøvlen
03/01/2018 03:15AM
MySQL: Ranking techniques  
319
Edwin Desouza
01/23/2018 11:23AM
MySQL 8.0: Row numbering, ranking: using Window Functions  
337
Edwin Desouza
12/22/2017 11:41PM
My query take along time  
503
Murawweh Daher
12/17/2017 07:18AM
Muranweh, please don't double-post  
199
Peter Brawley
12/17/2017 09:48AM
MySQL 8.0: Query Optimizer Takes Data Buffering into Account  
314
Edwin Desouza
12/07/2017 11:21AM
Compound index (pkey) not used when it should be  
443
Dan Parker
11/29/2017 01:39PM
Re: Compound index (pkey) not used when it should be  
294
Peter Brawley
11/29/2017 04:21PM
Re: Compound index (pkey) not used when it should be  
281
Dan Parker
11/29/2017 04:38PM
Re: Compound index (pkey) not used when it should be  
280
Peter Brawley
11/29/2017 05:16PM
Re: Compound index (pkey) not used when it should be  
271
Dan Parker
11/29/2017 05:25PM
Re: Compound index (pkey) not used when it should be  
273
Peter Brawley
11/29/2017 06:13PM
Re: Compound index (pkey) not used when it should be  
293
Dan Parker
11/29/2017 06:23PM
Re: Compound index (pkey) not used when it should be  
260
Peter Brawley
11/29/2017 07:46PM
Re: Compound index (pkey) not used when it should be  
277
Dan Parker
11/30/2017 10:31AM
Re: Compound index (pkey) not used when it should be  
267
Peter Brawley
12/01/2017 11:02AM
Re: Compound index (pkey) not used when it should be  
267
Dan Parker
12/01/2017 11:05AM
Re: Compound index (pkey) not used when it should be  
267
Peter Brawley
12/01/2017 11:19AM
Re: Compound index (pkey) not used when it should be  
260
Dan Parker
12/01/2017 11:26AM
Re: Compound index (pkey) not used when it should be  
271
Peter Brawley
12/01/2017 01:04PM
Re: Compound index (pkey) not used when it should be  
278
Dan Parker
12/01/2017 01:10PM
Re: Compound index (pkey) not used when it should be  
260
Peter Brawley
12/01/2017 05:01PM
Re: Compound index (pkey) not used when it should be  
273
Øystein Grøvlen
12/01/2017 10:10AM
Re: Compound index (pkey) not used when it should be  
266
Dan Parker
12/01/2017 10:36AM
Confirmation on possible parser bug  
450
Patrick Meredith
11/27/2017 10:47AM
Re: Confirmation on possible parser bug  
211
Peter Brawley
11/30/2017 11:20AM
Source code question related to sql_optimizer.cc line 8583  
491
Petru-Florin Mihancea
11/28/2017 04:20AM
Re: Source code question related to sql_optimizer.cc line 8583  
239
Øystein Grøvlen
11/28/2017 07:01AM
MySQL 8.0: Optimization to skip index dives with FORCE INDEX.  
463
Edwin Desouza
11/17/2017 09:50AM
Is Union Queries run in Parallel form or not.  
569
Azeem Haider
10/17/2017 11:40PM
Re: Is Union Queries run in Parallel form or not.  
290
Peter Brawley
10/18/2017 08:32AM
Re: Is Union Queries run in Parallel form or not.  
323
Azeem Haider
10/18/2017 10:43PM
Re: Is Union Queries run in Parallel form or not.  
268
Peter Brawley
10/18/2017 10:55PM
Re: Is Union Queries run in Parallel form or not.  
337
Øystein Grøvlen
10/19/2017 03:02AM
MySQL 8.0: Window Functions  
349
Edwin Desouza
10/04/2017 06:03PM
Grammer Rule for Parenthesis in Select Statement  
558
Sushant Choudhary
09/21/2017 12:47PM
Please don't duplicate posts  
324
Peter Brawley
09/21/2017 12:49PM
Help with explain on query  
454
Alex Titley
08/16/2017 09:09AM
Re: Help with explain on query  
249
Peter Brawley
08/16/2017 10:07AM
Optimizer Stablility  
430
Chris Reston
08/16/2017 12:56AM
Re: Optimizer Stablility  
287
Øystein Grøvlen
08/16/2017 02:19AM
Way to avoid fragmentation of MySQL tables  
427
Priya Pawar
07/30/2017 11:01AM
Re: Way to avoid fragmentation of MySQL tables  
343
Peter Brawley
07/30/2017 04:41PM
Re: Way to avoid fragmentation of MySQL tables  
269
Priya Pawar
07/30/2017 11:10PM
MySQL 8.0.2: Introducing Window Functions  
404
Edwin Desouza
07/18/2017 10:33AM
This topic has been moved.:  setting an index for speed  
9
Michael Peters
07/02/2019 12:26PM
This topic has been moved.:  Slow Query  
0
Deepak Nirmul
06/21/2019 10:18AM
This topic has been moved.:  help with this query  
0
sha fendi
03/17/2019 11:05AM
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
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