MySQL :: MySQL Forums :: Optimizer & Parser

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

235

Edwin Desouza

10/01/2019 05:40PM

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

627

Edwin Desouza

04/25/2018 10:16AM

Sticky: Unofficial MySQL 8.0 Optimizer Guide (1 Posts)

843

Edwin Desouza

02/13/2017 04:16PM

Sticky: MySQL 8.0: Window Functions (1 Posts)

736

Edwin Desouza

02/04/2017 08:57PM

Sticky: MySQL 8.0: CTEs (1 Posts)

1,142

Edwin Desouza

10/18/2016 09:38AM

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

1,265

Edwin Desouza

09/13/2016 10:54AM

Sticky: MySQL Performance Tuning (1 Posts)

1,928

Edwin Desouza

07/06/2015 10:37AM

Sticky: MySQL Parser (1 Posts)

2,681

Edwin Desouza

04/03/2014 03:31PM

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

4,030

Edwin Desouza

12/18/2012 11:38AM

Sticky: MySQL EXPLAIN (1 Posts)

4,537

Edwin Desouza

07/10/2012 10:32AM

Sticky: MySQL Optimizer: Blogs (1 Posts)

10,306

Edwin DeSouza

04/28/2007 06:20PM

MySQL Comparing INTs and CHARs

Edwin Desouza

08/24/2020 02:56PM

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

Edwin Desouza

08/04/2020 07:57PM

MySQL: Using SKIP LOCK For Queue Processing

Edwin Desouza

08/03/2020 10:00AM

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

Saverio Miroddi

06/16/2020 10:00AM

MySQL 8.0.20: Index-Level Optimizer Hints

Edwin Desouza

04/28/2020 09:04AM

Explain features

158

Michael Bialik

03/29/2020 01:29PM

Re: Explain features

Peter Brawley

03/29/2020 02:01PM

MySQL 8.0: using CTEs to generate Sequences/Ranges

128

Edwin Desouza

03/09/2020 01:23PM

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

114

Edwin Desouza

02/28/2020 11:12AM

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

152

Adrian C

02/22/2020 12:38PM

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

Peter Brawley

02/22/2020 01:46PM

MySQL 8.0: EXPLAIN ANALYZE

135

Edwin Desouza

02/14/2020 11:29PM

Explain command type "All" issue

171

Vipin PA

02/14/2020 03:20AM

Re: Explain command type "All" issue

Peter Brawley

02/14/2020 10:28AM

Re: Explain command type "All" issue

Edwin Desouza

02/14/2020 05:52PM

Introduction to MySQL 8.0 CTEs (Part 1+2)

160

Edwin Desouza

02/13/2020 12:02PM

MySQL 8.0: Hash Join

120

Edwin Desouza

02/09/2020 05:09PM

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

150

Edwin Desouza

01/15/2020 06:06AM

optimizer seems to skip stored function call in where clause?

189

John LeSueur

01/08/2020 11:07AM

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

109

John LeSueur

01/08/2020 11:21AM

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

John LeSueur

01/08/2020 11:44AM

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

102

Peter Brawley

01/08/2020 01:11PM

MySQL 8.0: AntiJoin

194

Edwin Desouza

12/18/2019 07:54AM

MySQL 8.0: Hash Join

199

Edwin Desouza

11/13/2019 12:36PM

MySQL 8.0: Understanding Hash Joins

190

Edwin Desouza

10/30/2019 11:06AM

Explain Analyze in MySQL 8

230

Edwin Desouza

10/28/2019 05:00PM

optimizing searches using aggregate data in join

275

Matthew Lenz

10/21/2019 09:05AM

Re: optimizing searches using aggregate data in join

102

Peter Brawley

10/21/2019 11:37AM

MySQL 8.0: EXPLAIN ANALYZE

210

Edwin Desouza

10/17/2019 07:15AM

MySQL 8.0.18 Maintenance Release is Generally Available

196

Edwin Desouza

10/14/2019 01:06PM

Slow Query

508

Deepak Nirmul

06/21/2019 04:47AM

Re: Slow Query

162

Peter Brawley

06/21/2019 10:17AM

Re: Slow Query

157

Deepak Nirmul

06/24/2019 02:18AM

Re: Slow Query

162

Peter Brawley

06/24/2019 09:56AM

Re: Slow Query

161

Deepak Nirmul

06/24/2019 10:15AM

Re: Slow Query

184

Peter Brawley

06/24/2019 10:45AM

Re: Slow Query

117

Gopal venkat

09/04/2019 11:47AM

Gopal, please don't hijack threads

132

Peter Brawley

09/04/2019 02:32PM

Re: Slow Query

125

marimuthu B

09/06/2019 05:59AM

Re: Slow Query

144

Peter Brawley

09/06/2019 09:57AM

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

234

Edwin Desouza

07/12/2019 11:13AM

setting an index for speed

327

Michael Peters

07/02/2019 04:56AM

Re: setting an index for speed

161

Peter Brawley

07/02/2019 12:29PM

Query optimization and indexing - Help needed

369

Pandit P

06/13/2019 06:41AM

Re: Query optimization and indexing - Help needed

145

Peter Brawley

06/13/2019 12:55PM

Re: Query optimization and indexing - Help needed

150

Pandit P

06/14/2019 12:01AM

Re: Query optimization and indexing - Help needed

146

Peter Brawley

06/14/2019 07:51AM

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

361

Ted Johnson

05/29/2019 02:12PM

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

155

Peter Brawley

05/29/2019 03:00PM

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

137

Ted Johnson

05/29/2019 04:41PM

CHECK constraints in MySQL

252

Edwin Desouza

05/14/2019 09:37AM

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

309

Edwin Desouza

04/10/2019 09:14AM

Comparing two columns on big table

478

Krzysztof Wróblewski

03/21/2019 03:24PM

Re: Comparing two columns on big table

205

Peter Brawley

03/21/2019 04:24PM

help with this query

344

sha fendi

03/16/2019 09:17PM

Re: help with this query

182

Peter Brawley

03/17/2019 11:04AM

MySQL Functional Indexes

289

Edwin Desouza

03/14/2019 09:49AM

MySQL 8.0: Query analytics [CTEs, Window Functions]

297

Edwin Desouza

03/09/2019 11:04PM

MySQL 8.0: Improvements to ROLLUP

306

Edwin Desouza

03/05/2019 11:53AM

MySQL 8.0: Window Functions for JSON

262

Edwin Desouza

02/21/2019 11:08AM

what's the execution order of each part of a sql query

361

aaron chan

02/19/2019 09:00PM

Re: what's the execution order of each part of a sql query

180

Peter Brawley

02/20/2019 10:47AM

MySQL 8.0: New Index Features

354

Edwin Desouza

02/08/2019 11:18AM

MySQL 8.0: support for LATERAL derived tables

327

Edwin Desouza

01/31/2019 11:07AM

MySQL 8.0: Keywords

601

Edwin Desouza

01/10/2019 09:22PM

I Need Help To Write Queries

Mostafa Baghi

12/17/2018 04:40AM

MySQL 8.0: Window Functions with Unusual Boundaries

404

Edwin Desouza

11/08/2018 02:42PM

More SQL in MySQL 8.0

655

Edwin Desouza

11/06/2018 07:28PM

MySQL 8.0: What Is New in Optimizer and Executor?

422

Edwin Desouza

11/01/2018 11:10AM

Optimizer Improvements in MySQL 8.0

393

Edwin Desouza

10/31/2018 09:31PM

Indexes are not working after restoring dump

599

Amit K

09/27/2018 11:25AM

Re: Indexes are not working after restoring dump

333

Amit K

09/27/2018 01:39PM

Re: Indexes are not working after restoring dump

305

Amit K

09/27/2018 01:45PM

Re: Indexes are not working after restoring dump

291

Øystein Grøvlen

09/28/2018 12:21AM

Re: Indexes are not working after restoring dump

338

Peter Brawley

09/27/2018 07:14PM

Re: Indexes are not working after restoring dump

314

Amit K

09/27/2018 08:31PM

Re: Indexes are not working after restoring dump

303

Peter Brawley

09/28/2018 11:08AM

Optimizer produces incorrect resultset

432

J Barchan

09/27/2018 09:35AM

Manipulating queries with non-conforming data via MySQL Query Rewrite Plugin, triggers and stored procedures

422

Edwin Desouza

09/07/2018 10:34AM

Where Clause Optimization

558

Mohammed Yehia El Sayed Abdoh

08/31/2018 06:47AM

Re: Where Clause Optimization

289

Peter Brawley

08/31/2018 01:55PM

Re: Where Clause Optimization

278

Mohammed Yehia El Sayed Abdoh

08/31/2018 03:08PM

Re: Where Clause Optimization

296

Øystein Grøvlen

09/03/2018 02:45AM

long execution time of all requests, drop base

945

Уррик Зарик

06/10/2018 06:10AM

Re: long execution time of all requests, drop base

433

Peter Brawley

06/10/2018 12:24PM

Re: long execution time of all requests, drop base

447

Уррик Зарик

06/10/2018 12:40PM

Re: long execution time of all requests, drop base

467

Peter Brawley

06/10/2018 02:24PM

Re: long execution time of all requests, drop base

481

Urri Zar

06/11/2018 12:09AM

Re: long execution time of all requests, drop base

375

Urri Zar

06/12/2018 10:25AM

Re: long execution time of all requests, drop base

419

Peter Brawley

06/12/2018 10:27AM

Re: long execution time of all requests, drop base

537

Urri Zar

06/12/2018 10:34AM

Re: long execution time of all requests, drop base

533

Peter Brawley

06/12/2018 12:00PM

Create index for Join some table in MySQL

538

Kenny Nguyen

05/20/2018 10:51PM

Re: Create index for Join some table in MySQL

333

Øystein Grøvlen

05/30/2018 12:50AM

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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