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Question

Why does Postgresql not use Index Only Scan on my composite index in this case?

score 349 · Answer 1 · 2015-06-18 15:14:03

1

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349

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Why does Postgresql not use Index Only Scan on my composite index in this case?

349 views Asked by Tomas Kulich At 18 June 2015 at 15:14

score 526 · Answer 2 · 2011-02-16 22:30:55

Do mysql composite indexes make some other indexes completely redundant?

526 views Asked by Brian Deacon At 16 February 2011 at 22:30

score 113 · Answer 3 · 2012-02-02 13:03:51

Is a composite index row created for an entity if one of the properties is missing?

113 views Asked by Mahron At 02 February 2012 at 13:03

score 235 · Answer 4 · 2024-11-23 21:21:08

What is a MYSQL composite index?

235 views Asked by Abhimanyu At 23 November 2024 at 21:21

score 84475 · Answer 5 · 2024-11-23 21:26:47

When should I use a composite index?

84.4k views Asked by Teddy At 23 November 2024 at 21:26

score 101 · Answer 6 · 2020-09-12 13:08:13

Does a MySQL database use a composite index when one of the fields in the WHERE clause is null?

101 views Asked by Maurice At 12 September 2020 at 13:08

score 63 · Answer 7 · 2024-11-23 21:32:00

Optimize my query (indexes, EXPLAIN) Mysql

63 views Asked by Peter At 23 November 2024 at 21:32

score 104 · Answer 8 · 2024-11-23 21:26:54

Define a composite index in EdgeDB

104 views Asked by CodesInChaos At 23 November 2024 at 21:26

score 466 · Answer 9 · 2024-11-23 22:04:35

What is the size of a composite index in MySQL/MariaDB

466 views Asked by lbj99 At 23 November 2024 at 22:04

score 1558 · Answer 10 · 2024-11-23 21:37:29

Composite index on three columns

1.5k views Asked by Venkataraman R At 23 November 2024 at 21:37

TechQA.

List Question

Why does Postgresql not use Index Only Scan on my composite index in this case?

Do mysql composite indexes make some other indexes completely redundant?

Is a composite index row created for an entity if one of the properties is missing?

What is a MYSQL composite index?

When should I use a composite index?

Does a MySQL database use a composite index when one of the fields in the WHERE clause is null?

Optimize my query (indexes, EXPLAIN) Mysql

Define a composite index in EdgeDB

What is the size of a composite index in MySQL/MariaDB

Composite index on three columns

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