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Why does mysql stop using indexes when date ranges are added to the query?

score 172 · Answer 1 · 2015-06-07 15:57:45

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Why does mysql stop using indexes when date ranges are added to the query?

172 views Asked by Alex R At 07 June 2015 at 15:57

score 1628 · Answer 2 · 2015-06-08 20:32:02

Building an sql execution plan history

1.6k views Asked by jon sumisu At 08 June 2015 at 20:32

score 367 · Answer 3 · 2015-06-09 16:15:41

Update statement taking too long (7 minutes)

367 views Asked by tshoemake At 09 June 2015 at 16:15

score 5821 · Answer 4 · 2015-06-16 15:16:38

How can a stored proc have multiple execution plans?

5.8k views Asked by srh At 16 June 2015 at 15:16

score 1766 · Answer 5 · 2015-06-21 09:41:51

Explain Plan output in Oracle

1.7k views Asked by Vicky Thakor At 21 June 2015 at 09:41

score 136 · Answer 6 · 2016-12-12 22:04:46

Exact same query and database. In production more than 100x slower

136 views Asked by Tarlen At 12 December 2016 at 22:04

score 164 · Answer 7 · 2016-12-08 11:01:58

Explain plan and computing cache hit ratio in Oracle

164 views Asked by user2241915 At 08 December 2016 at 11:01

score 883 · Answer 8 · 2016-12-19 01:41:21

SQL Server choosing inefficient execution plan

883 views Asked by Tom Jefferson At 19 December 2016 at 01:41

score 90 · Answer 9 · 2016-12-21 13:19:26

Sql Server strange execution plan choices

90 views Asked by Andreas Dest At 21 December 2016 at 13:19

score 1781 · Answer 10 · 2016-12-20 19:19:06

EXASOL Explain Analyse Query

1.7k views Asked by Arezoo At 20 December 2016 at 19:19

TechQA.

List Question

Why does mysql stop using indexes when date ranges are added to the query?

Building an sql execution plan history

Update statement taking too long (7 minutes)

How can a stored proc have multiple execution plans?

Explain Plan output in Oracle

Exact same query and database. In production more than 100x slower

Explain plan and computing cache hit ratio in Oracle

SQL Server choosing inefficient execution plan

Sql Server strange execution plan choices

EXASOL Explain Analyse Query

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