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•   Announcing July 2021 Releases featuring MySQL 8.0.26 07/21/2021 11:14PM

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Sticky:  MySQL 8.0: Hash Join and EXPLAIN ANALYZE (1 Posts)  
346
Edwin Desouza
10/01/2019 05:40PM
Sticky:  MySQL 8.0: One Giant Leap For SQL (1 Posts)  
734
Edwin Desouza
04/25/2018 10:16AM
Sticky:  Unofficial MySQL 8.0 Optimizer Guide (1 Posts)  
973
Edwin Desouza
02/13/2017 04:16PM
Sticky:  MySQL 8.0: Window Functions (1 Posts)  
854
Edwin Desouza
02/04/2017 08:57PM
Sticky:  MySQL 8.0: CTEs (1 Posts)  
1,275
Edwin Desouza
10/18/2016 09:38AM
Sticky:  MySQL 8.0: Optimizer & Parser (1 Posts)  
1,392
Edwin Desouza
09/13/2016 10:54AM
Sticky:  MySQL Performance Tuning (1 Posts)  
2,039
Edwin Desouza
07/06/2015 10:37AM
Sticky:  MySQL Parser (1 Posts)  
2,895
Edwin Desouza
04/03/2014 03:31PM
Sticky:  MySQL Optimizer: Features in MySQL 5.7 (1 Posts)  
4,166
Edwin Desouza
12/18/2012 11:38AM
Sticky:  MySQL EXPLAIN (1 Posts)  
4,660
Edwin Desouza
07/10/2012 10:32AM
Sticky:  MySQL Optimizer: Blogs (1 Posts)  
10,470
Edwin DeSouza
04/28/2007 06:20PM
Disable caching in MYSQL for True performance testings?  
89
Sing Lau
07/11/2021 02:47PM
Re: Disable caching in MYSQL for True performance testings?  
10
Peter Brawley
07/11/2021 05:21PM
Documentation regarding operator precedence incorrect for LIKE, REGEXP, IN?  
66
Justin Ng
06/12/2021 01:29PM
How to optimizate COUNT query with multiple LEFT JOIN  
74
Ivan Stoqnov
06/01/2021 01:19AM
Re: How to optimizate COUNT query with multiple LEFT JOIN  
26
Ivan Stoqnov
06/01/2021 01:31AM
Re: How to optimizate COUNT query with multiple LEFT JOIN  
32
Peter Brawley
06/01/2021 12:19PM
Need help with tracing how identifiers are parsed; dot-reserved vs dot-space-reserved  
81
Justin Ng
05/25/2021 05:28AM
Re: Need help with tracing how identifiers are parsed; dot-reserved vs dot-space-reserved  
27
Justin Ng
05/25/2021 06:21AM
MySQL Invisible Column  
131
Edwin Desouza
01/22/2021 01:48PM
mySQL 8 - view query not using outer predicate  
190
Jack Crawford
01/11/2021 10:49AM
Re: mySQL 8 - view query not using outer predicate  
75
Peter Brawley
01/11/2021 12:07PM
Re: mySQL 8 - view query not using outer predicate  
87
Jack Crawford
01/11/2021 12:18PM
Re: mySQL 8 - view query not using outer predicate  
78
Peter Brawley
01/11/2021 01:38PM
Re: mySQL 8 - view query not using outer predicate  
67
Jack Crawford
01/11/2021 02:06PM
Re: mySQL 8 - view query not using outer predicate  
69
Peter Brawley
01/11/2021 03:02PM
Re: mySQL 8 - view query not using outer predicate  
63
Jack Crawford
01/11/2021 04:04PM
Re: mySQL 8 - view query not using outer predicate  
68
Peter Brawley
01/11/2021 10:34PM
MySQL Comparing INTs and CHARs  
181
Edwin Desouza
08/24/2020 02:56PM
MySQL 8.0 Indexes, Histograms, and Other Ways to Speed Up Your Queries  
183
Edwin Desouza
08/04/2020 07:57PM
MySQL: Using SKIP LOCK For Queue Processing  
207
Edwin Desouza
08/03/2020 10:00AM
MySQL 8.0: Modern approaches to replacing accumulation user-defined variable hacks, via Window functions and CTEs  
199
Saverio Miroddi
06/16/2020 10:00AM
MySQL 8.0.20: Index-Level Optimizer Hints  
214
Edwin Desouza
04/28/2020 09:04AM
Explain features  
307
Michael Bialik
03/29/2020 01:29PM
Re: Explain features  
145
Peter Brawley
03/29/2020 02:01PM
MySQL 8.0: using CTEs to generate Sequences/Ranges  
245
Edwin Desouza
03/09/2020 01:23PM
MySQL 8.0: A must-know about NOT IN in SQL – more antijoin optimization  
218
Edwin Desouza
02/28/2020 11:12AM
msqldump only one row per minute from a 5 row/minute database  
268
Adrian C
02/22/2020 12:38PM
Re: msqldump only one row per minute from a 5 row/minute database  
148
Peter Brawley
02/22/2020 01:46PM
MySQL 8.0: EXPLAIN ANALYZE  
260
Edwin Desouza
02/14/2020 11:29PM
Explain command type "All" issue  
292
Vipin PA
02/14/2020 03:20AM
Re: Explain command type "All" issue  
139
Peter Brawley
02/14/2020 10:28AM
Re: Explain command type "All" issue  
157
Edwin Desouza
02/14/2020 05:52PM
Introduction to MySQL 8.0 CTEs (Part 1+2)  
284
Edwin Desouza
02/13/2020 12:02PM
MySQL 8.0: Hash Join  
215
Edwin Desouza
02/09/2020 05:09PM
MySQL 8.0: Simple way to figure out why your recursive CTE is running away  
247
Edwin Desouza
01/15/2020 06:06AM
optimizer seems to skip stored function call in where clause?  
301
John LeSueur
01/08/2020 11:07AM
Re: optimizer seems to skip stored function call in where clause?  
186
John LeSueur
01/08/2020 11:21AM
Re: optimizer seems to skip stored function call in where clause?  
127
John LeSueur
01/08/2020 11:44AM
Re: optimizer seems to skip stored function call in where clause?  
181
Peter Brawley
01/08/2020 01:11PM
MySQL 8.0: AntiJoin  
289
Edwin Desouza
12/18/2019 07:54AM
MySQL 8.0: Hash Join  
303
Edwin Desouza
11/13/2019 12:36PM
MySQL 8.0: Understanding Hash Joins  
293
Edwin Desouza
10/30/2019 11:06AM
Explain Analyze in MySQL 8  
324
Edwin Desouza
10/28/2019 05:00PM
optimizing searches using aggregate data in join  
427
Matthew Lenz
10/21/2019 09:05AM
Re: optimizing searches using aggregate data in join  
169
Peter Brawley
10/21/2019 11:37AM
MySQL 8.0: EXPLAIN ANALYZE  
330
Edwin Desouza
10/17/2019 07:15AM
MySQL 8.0.18 Maintenance Release is Generally Available  
325
Edwin Desouza
10/14/2019 01:06PM
Slow Query  
672
Deepak Nirmul
06/21/2019 04:47AM
Re: Slow Query  
254
Peter Brawley
06/21/2019 10:17AM
Re: Slow Query  
242
Deepak Nirmul
06/24/2019 02:18AM
Re: Slow Query  
236
Peter Brawley
06/24/2019 09:56AM
Re: Slow Query  
234
Deepak Nirmul
06/24/2019 10:15AM
Re: Slow Query  
262
Peter Brawley
06/24/2019 10:45AM
Re: Slow Query  
203
Gopal venkat
09/04/2019 11:47AM
Gopal, please don't hijack threads  
208
Peter Brawley
09/04/2019 02:32PM
Re: Slow Query  
191
marimuthu B
09/06/2019 05:59AM
Re: Slow Query  
229
Peter Brawley
09/06/2019 09:57AM
MySQL 8.0: Supporting all kinds of outer references in derived tables (lateral, or not)  
336
Edwin Desouza
07/12/2019 11:13AM
setting an index for speed  
434
Michael Peters
07/02/2019 04:56AM
Re: setting an index for speed  
227
Peter Brawley
07/02/2019 12:29PM
Query optimization and indexing - Help needed  
552
Pandit P
06/13/2019 06:41AM
Re: Query optimization and indexing - Help needed  
215
Peter Brawley
06/13/2019 12:55PM
Re: Query optimization and indexing - Help needed  
214
Pandit P
06/14/2019 12:01AM
Re: Query optimization and indexing - Help needed  
211
Peter Brawley
06/14/2019 07:51AM
Is the query order guaranteed using Btree indexes and no ORDER BY  
529
Ted Johnson
05/29/2019 02:12PM
Re: Is the query order guaranteed using Btree indexes and no ORDER BY  
228
Peter Brawley
05/29/2019 03:00PM
Re: Is the query order guaranteed using Btree indexes and no ORDER BY  
212
Ted Johnson
05/29/2019 04:41PM
CHECK constraints in MySQL  
365
Edwin Desouza
05/14/2019 09:37AM
MySQL 8.0: Removal of implicit and explicit sorting for GROUP BY  
414
Edwin Desouza
04/10/2019 09:14AM
Comparing two columns on big table  
994
Krzysztof Wróblewski
03/21/2019 03:24PM
Re: Comparing two columns on big table  
335
Peter Brawley
03/21/2019 04:24PM
help with this query  
467
sha fendi
03/16/2019 09:17PM
Re: help with this query  
257
Peter Brawley
03/17/2019 11:04AM
MySQL Functional Indexes  
372
Edwin Desouza
03/14/2019 09:49AM
MySQL 8.0: Query analytics [CTEs, Window Functions]  
393
Edwin Desouza
03/09/2019 11:04PM
MySQL 8.0: Improvements to ROLLUP  
393
Edwin Desouza
03/05/2019 11:53AM
MySQL 8.0: Window Functions for JSON  
369
Edwin Desouza
02/21/2019 11:08AM
what's the execution order of each part of a sql query  
473
aaron chan
02/19/2019 09:00PM
Re: what's the execution order of each part of a sql query  
241
Peter Brawley
02/20/2019 10:47AM
MySQL 8.0: New Index Features  
460
Edwin Desouza
02/08/2019 11:18AM
MySQL 8.0: support for LATERAL derived tables  
435
Edwin Desouza
01/31/2019 11:07AM
MySQL 8.0: Keywords  
782
Edwin Desouza
01/10/2019 09:22PM
I Need Help To Write Queries  
216
Mostafa Baghi
12/17/2018 04:40AM
MySQL 8.0: Window Functions with Unusual Boundaries  
510
Edwin Desouza
11/08/2018 02:42PM
More SQL in MySQL 8.0  
761
Edwin Desouza
11/06/2018 07:28PM
MySQL 8.0: What Is New in Optimizer and Executor?  
515
Edwin Desouza
11/01/2018 11:10AM
Optimizer Improvements in MySQL 8.0  
495
Edwin Desouza
10/31/2018 09:31PM
This topic has been moved.:  optimizing searches using aggregate data in join  
0
Matthew Lenz
10/21/2019 11:06AM
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
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