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

score 133 · 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?

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

score 3407 · Answer 2 · 2015-06-08 20:45:11

How to make faster queries on my mysql table?

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score 250 · Answer 3 · 2015-06-08 14:23:48

MySQL: Grouped by hour, need to show all hours, null where no data

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score 51 · Answer 4 · 2015-06-09 18:43:57

How can i optimize this query on a big database tables having million rows

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score 262 · Answer 5 · 2015-06-08 15:40:50

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score 58 · Answer 6 · 2015-06-09 19:53:14

Make multi-subselect more efficient?

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score 2075 · Answer 7 · 2015-06-08 09:32:36

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score 419 · Answer 8 · 2015-06-12 11:09:37

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score 80 · Answer 9 · 2015-06-12 09:37:12

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score 124 · Answer 10 · 2015-06-09 04:54:16

OVER() vs Two Queries - Which is Most Efficient

124 views Asked by Kong At 09 June 2015 at 04:54

TechQA.

List Question

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

How to make faster queries on my mysql table?

MySQL: Grouped by hour, need to show all hours, null where no data

How can i optimize this query on a big database tables having million rows

SQL alternative to double subquery

Make multi-subselect more efficient?

Efficient way to get last record from the database

Optimising codeigniter query, Join or Where

DB Engine Tuning Advisor suggestion improvement

OVER() vs Two Queries - Which is Most Efficient

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