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Results tagged with datetime
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user 225954
for questions specific to data types that contain both date and time parts.
0
votes
3
answers
370
views
How to re-write this query or restructure my table for SPEED
I have an InnoDB MySQL table of this structure:
column
type
service
varchar(16)
url
varchar(255)
datetime
datetime
It contains logs for requests made to one of multiple services. … It outputs this:
service
lastMonthCount
API A
3056752
API B
38451
I have indexes on datetime and service. I can see they are of type BTREE. …
- 111
1
vote
Accepted
How to re-write this query or restructure my table for SPEED
I remove the index on service and the index on datetime, adding a composite index on (datetime, service) instead. Ordering of the columns in that index matters. This took the query from ~28s to ~14s. …
- 111