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

score 112 · Answer 1 · 2024-09-18 09:50:38

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

score 3397 · Answer 2 · 2024-09-13 13:53:12

3.3k views Asked by lucasrod At 13 September 2024 at 13:53

score 244 · Answer 3 · 2024-09-15 15:37:27

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

score 49 · Answer 4 · 2024-09-17 22:05:08

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

score 276 · Answer 5 · 2024-09-18 20:09:57

276 views Asked by newuser At 18 September 2024 at 20:09

score 49 · Answer 6 · 2024-09-13 13:35:44

49 views Asked by jemminger At 13 September 2024 at 13:35

score 2080 · Answer 7 · 2024-09-18 21:02:38

Efficient way to get last record from the database

score 411 · Answer 8 · 2024-09-13 13:44:55

411 views Asked by Rajneesh Kumar Gobin At 13 September 2024 at 13:44

score 78 · Answer 9 · 2024-09-15 22:00:25

DB Engine Tuning Advisor suggestion improvement

score 115 · Answer 10 · 2024-09-16 09:42:43

OVER() vs Two Queries - Which is Most Efficient

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