MySQL :: MySQL Forums :: Optimizer & Parser

New Topic

Pages:

1 2 3 4 5

...

19 »

Subject

Views

Written By

Posted

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

142

Edwin Desouza

10/01/2019 05:40PM

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

521

Edwin Desouza

04/25/2018 10:16AM

Sticky: Unofficial MySQL 8.0 Optimizer Guide (1 Posts)

753

Edwin Desouza

02/13/2017 04:16PM

Sticky: MySQL 8.0: Window Functions (1 Posts)

665

Edwin Desouza

02/04/2017 08:57PM

Sticky: MySQL 8.0: CTEs (1 Posts)

1,028

Edwin Desouza

10/18/2016 09:38AM

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

1,145

Edwin Desouza

09/13/2016 10:54AM

Sticky: MySQL Performance Tuning (1 Posts)

1,830

Edwin Desouza

07/06/2015 10:37AM

Sticky: MySQL Parser (1 Posts)

2,544

Edwin Desouza

04/03/2014 03:31PM

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

3,932

Edwin Desouza

12/18/2012 11:38AM

Sticky: MySQL EXPLAIN (1 Posts)

4,429

Edwin Desouza

07/10/2012 10:32AM

Sticky: MySQL Optimizer: Blogs (1 Posts)

10,186

Edwin DeSouza

04/28/2007 06:20PM

Explain features

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

Edwin Desouza

03/09/2020 01:23PM

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

Edwin Desouza

02/28/2020 11:12AM

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

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

Edwin Desouza

02/14/2020 11:29PM

Explain command type "All" issue

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)

Edwin Desouza

02/13/2020 12:02PM

MySQL 8.0: Hash Join

Edwin Desouza

02/09/2020 05:09PM

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

Edwin Desouza

01/15/2020 06:06AM

optimizer seems to skip stored function call in where clause?

101

John LeSueur

01/08/2020 11:07AM

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

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?

Peter Brawley

01/08/2020 01:11PM

MySQL 8.0: AntiJoin

117

Edwin Desouza

12/18/2019 07:54AM

MySQL 8.0: Hash Join

114

Edwin Desouza

11/13/2019 12:36PM

MySQL 8.0: Understanding Hash Joins

105

Edwin Desouza

10/30/2019 11:06AM

Explain Analyze in MySQL 8

143

Edwin Desouza

10/28/2019 05:00PM

optimizing searches using aggregate data in join

190

Matthew Lenz

10/21/2019 09:05AM

Re: optimizing searches using aggregate data in join

Peter Brawley

10/21/2019 11:37AM

MySQL 8.0: EXPLAIN ANALYZE

128

Edwin Desouza

10/17/2019 07:15AM

MySQL 8.0.18 Maintenance Release is Generally Available

107

Edwin Desouza

10/14/2019 01:06PM

Slow Query

351

Deepak Nirmul

06/21/2019 04:47AM

Re: Slow Query

Peter Brawley

06/21/2019 10:17AM

Re: Slow Query

109

Deepak Nirmul

06/24/2019 02:18AM

Re: Slow Query

116

Peter Brawley

06/24/2019 09:56AM

Re: Slow Query

110

Deepak Nirmul

06/24/2019 10:15AM

Re: Slow Query

113

Peter Brawley

06/24/2019 10:45AM

Re: Slow Query

Gopal venkat

09/04/2019 11:47AM

Gopal, please don't hijack threads

Peter Brawley

09/04/2019 02:32PM

Re: Slow Query

marimuthu B

09/06/2019 05:59AM

Re: Slow Query

Peter Brawley

09/06/2019 09:57AM

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

166

Edwin Desouza

07/12/2019 11:13AM

setting an index for speed

232

Michael Peters

07/02/2019 04:56AM

Re: setting an index for speed

109

Peter Brawley

07/02/2019 12:29PM

Query optimization and indexing - Help needed

270

Pandit P

06/13/2019 06:41AM

Re: Query optimization and indexing - Help needed

103

Peter Brawley

06/13/2019 12:55PM

Re: Query optimization and indexing - Help needed

104

Pandit P

06/14/2019 12:01AM

Re: Query optimization and indexing - Help needed

102

Peter Brawley

06/14/2019 07:51AM

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

252

Ted Johnson

05/29/2019 02:12PM

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

110

Peter Brawley

05/29/2019 03:00PM

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

Ted Johnson

05/29/2019 04:41PM

CHECK constraints in MySQL

175

Edwin Desouza

05/14/2019 09:37AM

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

237

Edwin Desouza

04/10/2019 09:14AM

Comparing two columns on big table

276

Krzysztof Wróblewski

03/21/2019 03:24PM

Re: Comparing two columns on big table

152

Peter Brawley

03/21/2019 04:24PM

help with this query

258

sha fendi

03/16/2019 09:17PM

Re: help with this query

138

Peter Brawley

03/17/2019 11:04AM

MySQL Functional Indexes

213

Edwin Desouza

03/14/2019 09:49AM

MySQL 8.0: Query analytics [CTEs, Window Functions]

222

Edwin Desouza

03/09/2019 11:04PM

MySQL 8.0: Improvements to ROLLUP

225

Edwin Desouza

03/05/2019 11:53AM

MySQL 8.0: Window Functions for JSON

197

Edwin Desouza

02/21/2019 11:08AM

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

276

aaron chan

02/19/2019 09:00PM

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

131

Peter Brawley

02/20/2019 10:47AM

MySQL 8.0: New Index Features

283

Edwin Desouza

02/08/2019 11:18AM

MySQL 8.0: support for LATERAL derived tables

254

Edwin Desouza

01/31/2019 11:07AM

MySQL 8.0: Keywords

490

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

334

Edwin Desouza

11/08/2018 02:42PM

More SQL in MySQL 8.0

592

Edwin Desouza

11/06/2018 07:28PM

MySQL 8.0: What Is New in Optimizer and Executor?

351

Edwin Desouza

11/01/2018 11:10AM

Optimizer Improvements in MySQL 8.0

329

Edwin Desouza

10/31/2018 09:31PM

Indexes are not working after restoring dump

439

Amit K

09/27/2018 11:25AM

Re: Indexes are not working after restoring dump

265

Amit K

09/27/2018 01:39PM

Re: Indexes are not working after restoring dump

244

Amit K

09/27/2018 01:45PM

Re: Indexes are not working after restoring dump

231

Øystein Grøvlen

09/28/2018 12:21AM

Re: Indexes are not working after restoring dump

268

Peter Brawley

09/27/2018 07:14PM

Re: Indexes are not working after restoring dump

250

Amit K

09/27/2018 08:31PM

Re: Indexes are not working after restoring dump

241

Peter Brawley

09/28/2018 11:08AM

Optimizer produces incorrect resultset

345

J Barchan

09/27/2018 09:35AM

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

356

Edwin Desouza

09/07/2018 10:34AM

Where Clause Optimization

469

Mohammed Yehia El Sayed Abdoh

08/31/2018 06:47AM

Re: Where Clause Optimization

240

Peter Brawley

08/31/2018 01:55PM

Re: Where Clause Optimization

233

Mohammed Yehia El Sayed Abdoh

08/31/2018 03:08PM

Re: Where Clause Optimization

250

Øystein Grøvlen

09/03/2018 02:45AM

long execution time of all requests, drop base

782

Уррик Зарик

06/10/2018 06:10AM

Re: long execution time of all requests, drop base

389

Peter Brawley

06/10/2018 12:24PM

Re: long execution time of all requests, drop base

379

Уррик Зарик

06/10/2018 12:40PM

Re: long execution time of all requests, drop base

404

Peter Brawley

06/10/2018 02:24PM

Re: long execution time of all requests, drop base

424

Urri Zar

06/11/2018 12:09AM

Re: long execution time of all requests, drop base

336

Urri Zar

06/12/2018 10:25AM

Re: long execution time of all requests, drop base

368

Peter Brawley

06/12/2018 10:27AM

Re: long execution time of all requests, drop base

462

Urri Zar

06/12/2018 10:34AM

Re: long execution time of all requests, drop base

478

Peter Brawley

06/12/2018 12:00PM

Create index for Join some table in MySQL

433

Kenny Nguyen

05/20/2018 10:51PM

Re: Create index for Join some table in MySQL

278

Øystein Grøvlen

05/30/2018 12:50AM

Determine time taken by commit statement after insert or update statement

546

Priya Pawar

05/07/2018 02:01AM

Re: Determine time taken by commit statement after insert or update statement

321

Jesús Uzcanga

05/07/2018 08:43AM

Re: Determine time taken by commit statement after insert or update statement

263

Priya Pawar

05/08/2018 12:03AM

MySQL 8.0: One Giant Leap For SQL

332

Edwin Desouza

04/25/2018 10:14AM

how to speed up query on a table with over 20million records?

615

li zheng

03/25/2018 07:27AM

Re: how to speed up query on a table with over 20million records?

339

li zheng

03/25/2018 08:38AM

Re: how to speed up query on a table with over 20million records?

286

Peter Brawley

03/25/2018 01:59PM

Re: how to speed up query on a table with over 20million records?

339

Peter Brawley

03/25/2018 03:04PM

Re: how to speed up query on a table with over 20million records?

305

li zheng

03/25/2018 08:13PM

Re: how to speed up query on a table with over 20million records?

325

Peter Brawley

03/25/2018 10:03PM

Re: how to speed up query on a table with over 20million records?

282

li zheng

03/26/2018 02:41AM

optimize range query(using between, group by and order by)

1,010

Özgen Erbakan

03/20/2018 02:34AM

Re: optimize range query(using between, group by and order by)

503

Øystein Grøvlen

03/20/2018 03:52AM

Slow DELETE-Statement since update on 5.7

966

engram GmbH

03/19/2018 07:51AM

Re: Slow DELETE-Statement since update on 5.7

441

Peter Brawley

03/19/2018 11:40AM

Re: Slow DELETE-Statement since update on 5.7

452

Øystein Grøvlen

03/19/2018 01:15PM

Re: Slow DELETE-Statement since update on 5.7

466

engram GmbH

03/20/2018 02:09AM

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

Pages:

1 2 3 4 5

...

19 »

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.