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Sticky: MySQL 8.0: Hash Join and EXPLAIN ANALYZE (1 Posts)

579

Edwin Desouza

10/01/2019 05:40PM

Sticky: MySQL 8.0: One Giant Leap For SQL (1 Posts)

904

Edwin Desouza

04/25/2018 10:16AM

Sticky: Unofficial MySQL 8.0 Optimizer Guide (1 Posts)

1,216

Edwin Desouza

02/13/2017 04:16PM

Sticky: MySQL 8.0: Window Functions (1 Posts)

1,083

Edwin Desouza

02/04/2017 08:57PM

Sticky: MySQL 8.0: CTEs (1 Posts)

1,488

Edwin Desouza

10/18/2016 09:38AM

Sticky: MySQL 8.0: Optimizer & Parser (1 Posts)

1,611

Edwin Desouza

09/13/2016 10:54AM

Sticky: MySQL Performance Tuning (1 Posts)

2,232

Edwin Desouza

07/06/2015 10:37AM

Sticky: MySQL Parser (1 Posts)

3,196

Edwin Desouza

04/03/2014 03:31PM

Sticky: MySQL Optimizer: Features in MySQL 5.7 (1 Posts)

4,386

Edwin Desouza

12/18/2012 11:38AM

Sticky: MySQL EXPLAIN (1 Posts)

4,854

Edwin Desouza

07/10/2012 10:32AM

Sticky: MySQL Optimizer: Blogs (1 Posts)

10,682

Edwin DeSouza

04/28/2007 06:20PM

MYSQL5.7:OPTIMIZER Contradict Explain

yijie fu

09/07/2022 05:02AM

Re: MYSQL5.7:OPTIMIZER Contradict Explain

yijie fu

09/07/2022 05:26AM

Need help with getting rid of filesort

Marvin Herbold

06/23/2022 01:53PM

Re: Need help with getting rid of filesort

Peter Brawley

06/24/2022 09:59AM

Startup was very slow

487

Charles Rodrigues Rimiru

01/27/2022 07:53AM

Re: Startup was very slow

Peter Brawley

02/28/2022 11:14AM

Re: Startup was very slow

Charles Rodrigues Rimiru

03/02/2022 08:58AM

Re: Startup was very slow

118

Peter Brawley

03/02/2022 10:58AM

Re: Startup was very slow

110

Charles Rodrigues Rimiru

03/02/2022 01:57PM

MySQL 8.0 EXPLAIN ANALYZE

137

Edwin Desouza

02/27/2022 10:37PM

Optimizer in 8.0 in some cases not materializing subquery

307

Benjamin Peikes

01/24/2022 03:37PM

Re: Optimizer in 8.0 in some cases not materializing subquery

Peter Brawley

01/24/2022 04:45PM

Running sql in server is too much slower then laptop

303

Shanxiang MAO

10/25/2021 02:49AM

Re: Running sql in server is too much slower then laptop

120

Peter Brawley

10/25/2021 09:50AM

Re: Running sql in server is too much slower then laptop

Herems Jing

11/13/2021 07:59PM

Re: Running sql in server is too much slower then laptop

Peter Brawley

11/13/2021 09:21PM

Query optimization on LIKE

247

Sing Lau

10/04/2021 12:08PM

Re: Query optimization on LIKE

146

Peter Brawley

10/04/2021 01:08PM

Multi-valued index is not in possible keys when there is a subquery

280

Jinlin Yang

07/22/2021 07:18PM

Re: Multi-valued index is not in possible keys when there is a subquery

115

Peter Brawley

10/04/2021 12:55PM

Run ANALYZE TABLE — Do Not Rely on InnoDB's Automatic Recalculation of Statistics

320

Edwin Desouza

09/08/2021 09:52AM

MySQL: EXPLAINing the Different EXPLAINS

284

Edwin Desouza

08/19/2021 02:57PM

Disable caching in MYSQL for True performance testings?

391

Sing Lau

07/11/2021 02:47PM

Re: Disable caching in MYSQL for True performance testings?

184

Peter Brawley

07/11/2021 05:21PM

Documentation regarding operator precedence incorrect for LIKE, REGEXP, IN?

278

Justin Ng

06/12/2021 01:29PM

How to optimizate COUNT query with multiple LEFT JOIN

302

Ivan Stoqnov

06/01/2021 01:19AM

Re: How to optimizate COUNT query with multiple LEFT JOIN

160

Ivan Stoqnov

06/01/2021 01:31AM

Re: How to optimizate COUNT query with multiple LEFT JOIN

155

Peter Brawley

06/01/2021 12:19PM

Need help with tracing how identifiers are parsed; dot-reserved vs dot-space-reserved

294

Justin Ng

05/25/2021 05:28AM

Re: Need help with tracing how identifiers are parsed; dot-reserved vs dot-space-reserved

147

Justin Ng

05/25/2021 06:21AM

MySQL Invisible Column

377

Edwin Desouza

01/22/2021 01:48PM

mySQL 8 - view query not using outer predicate

439

Jack Crawford

01/11/2021 10:49AM

Re: mySQL 8 - view query not using outer predicate

206

Peter Brawley

01/11/2021 12:07PM

Re: mySQL 8 - view query not using outer predicate

239

Jack Crawford

01/11/2021 12:18PM

Re: mySQL 8 - view query not using outer predicate

214

Peter Brawley

01/11/2021 01:38PM

Re: mySQL 8 - view query not using outer predicate

207

Jack Crawford

01/11/2021 02:06PM

Re: mySQL 8 - view query not using outer predicate

201

Peter Brawley

01/11/2021 03:02PM

Re: mySQL 8 - view query not using outer predicate

211

Jack Crawford

01/11/2021 04:04PM

Re: mySQL 8 - view query not using outer predicate

226

Peter Brawley

01/11/2021 10:34PM

MySQL Comparing INTs and CHARs

388

Edwin Desouza

08/24/2020 02:56PM

MySQL 8.0 Indexes, Histograms, and Other Ways to Speed Up Your Queries

404

Edwin Desouza

08/04/2020 07:57PM

MySQL: Using SKIP LOCK For Queue Processing

571

Edwin Desouza

08/03/2020 10:00AM

MySQL 8.0: Modern approaches to replacing accumulation user-defined variable hacks, via Window functions and CTEs

447

Saverio Miroddi

06/16/2020 10:00AM

MySQL 8.0.20: Index-Level Optimizer Hints

469

Edwin Desouza

04/28/2020 09:04AM

Explain features

562

Michael Bialik

03/29/2020 01:29PM

Re: Explain features

313

Peter Brawley

03/29/2020 02:01PM

MySQL 8.0: using CTEs to generate Sequences/Ranges

441

Edwin Desouza

03/09/2020 01:23PM

MySQL 8.0: A must-know about NOT IN in SQL – more antijoin optimization

528

Edwin Desouza

02/28/2020 11:12AM

msqldump only one row per minute from a 5 row/minute database

482

Adrian C

02/22/2020 12:38PM

Re: msqldump only one row per minute from a 5 row/minute database

292

Peter Brawley

02/22/2020 01:46PM

MySQL 8.0: EXPLAIN ANALYZE

473

Edwin Desouza

02/14/2020 11:29PM

Explain command type "All" issue

513

Vipin PA

02/14/2020 03:20AM

Re: Explain command type "All" issue

293

Peter Brawley

02/14/2020 10:28AM

Re: Explain command type "All" issue

293

Edwin Desouza

02/14/2020 05:52PM

Introduction to MySQL 8.0 CTEs (Part 1+2)

521

Edwin Desouza

02/13/2020 12:02PM

MySQL 8.0: Hash Join

439

Edwin Desouza

02/09/2020 05:09PM

MySQL 8.0: Simple way to figure out why your recursive CTE is running away

451

Edwin Desouza

01/15/2020 06:06AM

optimizer seems to skip stored function call in where clause?

535

John LeSueur

01/08/2020 11:07AM

Re: optimizer seems to skip stored function call in where clause?

360

John LeSueur

01/08/2020 11:21AM

Re: optimizer seems to skip stored function call in where clause?

243

John LeSueur

01/08/2020 11:44AM

Re: optimizer seems to skip stored function call in where clause?

350

Peter Brawley

01/08/2020 01:11PM

MySQL 8.0: AntiJoin

510

Edwin Desouza

12/18/2019 07:54AM

MySQL 8.0: Hash Join

562

Edwin Desouza

11/13/2019 12:36PM

MySQL 8.0: Understanding Hash Joins

507

Edwin Desouza

10/30/2019 11:06AM

Explain Analyze in MySQL 8

531

Edwin Desouza

10/28/2019 05:00PM

optimizing searches using aggregate data in join

727

Matthew Lenz

10/21/2019 09:05AM

Re: optimizing searches using aggregate data in join

304

Peter Brawley

10/21/2019 11:37AM

MySQL 8.0: EXPLAIN ANALYZE

592

Edwin Desouza

10/17/2019 07:15AM

MySQL 8.0.18 Maintenance Release is Generally Available

601

Edwin Desouza

10/14/2019 01:06PM

Slow Query

940

Deepak Nirmul

06/21/2019 04:47AM

Re: Slow Query

430

Peter Brawley

06/21/2019 10:17AM

Re: Slow Query

411

Deepak Nirmul

06/24/2019 02:18AM

Re: Slow Query

362

Peter Brawley

06/24/2019 09:56AM

Re: Slow Query

368

Deepak Nirmul

06/24/2019 10:15AM

Re: Slow Query

404

Peter Brawley

06/24/2019 10:45AM

Re: Slow Query

375

Gopal venkat

09/04/2019 11:47AM

Gopal, please don't hijack threads

343

Peter Brawley

09/04/2019 02:32PM

Re: Slow Query

327

marimuthu B

09/06/2019 05:59AM

Re: Slow Query

394

Peter Brawley

09/06/2019 09:57AM

MySQL 8.0: Supporting all kinds of outer references in derived tables (lateral, or not)

523

Edwin Desouza

07/12/2019 11:13AM

setting an index for speed

654

Michael Peters

07/02/2019 04:56AM

Re: setting an index for speed

356

Peter Brawley

07/02/2019 12:29PM

Query optimization and indexing - Help needed

746

Pandit P

06/13/2019 06:41AM

Re: Query optimization and indexing - Help needed

357

Peter Brawley

06/13/2019 12:55PM

Re: Query optimization and indexing - Help needed

344

Pandit P

06/14/2019 12:01AM

Re: Query optimization and indexing - Help needed

370

Peter Brawley

06/14/2019 07:51AM

Is the query order guaranteed using Btree indexes and no ORDER BY

758

Ted Johnson

05/29/2019 02:12PM

Re: Is the query order guaranteed using Btree indexes and no ORDER BY

361

Peter Brawley

05/29/2019 03:00PM

Re: Is the query order guaranteed using Btree indexes and no ORDER BY

347

Ted Johnson

05/29/2019 04:41PM

CHECK constraints in MySQL

686

Edwin Desouza

05/14/2019 09:37AM

MySQL 8.0: Removal of implicit and explicit sorting for GROUP BY

651

Edwin Desouza

04/10/2019 09:14AM

Comparing two columns on big table

1,336

Krzysztof Wróblewski

03/21/2019 03:24PM

Re: Comparing two columns on big table

488

Peter Brawley

03/21/2019 04:24PM

help with this query

656

sha fendi

03/16/2019 09:17PM

Re: help with this query

389

Peter Brawley

03/17/2019 11:04AM

MySQL Functional Indexes

569

Edwin Desouza

03/14/2019 09:49AM

MySQL 8.0: Query analytics [CTEs, Window Functions]

584

Edwin Desouza

03/09/2019 11:04PM

MySQL 8.0: Improvements to ROLLUP

585

Edwin Desouza

03/05/2019 11:53AM

This topic has been moved.: optimizing searches using aggregate data in join

Matthew Lenz

10/21/2019 11:06AM

This topic has been moved.: setting an index for speed

Michael Peters

07/02/2019 12:26PM

This topic has been moved.: Slow Query

Deepak Nirmul

06/21/2019 10:18AM

This topic has been moved.: help with this query

sha fendi

03/17/2019 11:05AM

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