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

score 147 · 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?

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

score 1602 · 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 341 · Answer 3 · 2015-06-09 16:15:41

Update statement taking too long (7 minutes)

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

score 5809 · 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 1752 · 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 122 · Answer 6 · 2016-12-12 22:04:46

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

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

score 152 · Answer 7 · 2016-12-08 11:01:58

Explain plan and computing cache hit ratio in Oracle

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

score 869 · Answer 8 · 2016-12-19 01:41:21

SQL Server choosing inefficient execution plan

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

score 81 · Answer 9 · 2016-12-21 13:19:26

Sql Server strange execution plan choices

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

score 1767 · 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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