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Asked: 2026-05-14T00:25:05+00:00

Suppose I have a datetime column in MySQL. How do I select all that

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Suppose I have a datetime column in MySQL.
How do I select all that have a datetime within 2500 seconds of the current datetime?

SELECT ALL where current_datetime - that_datetime < 2500 ...
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1 Answer

  1. Editorial Team
    SELECT * FROM Table WHERE that_datetime > NOW() - INTERVAL 2500 SECOND

    You want to do all the function calls and operation on constants as MySQL won’t use indexes for fields used in any kind of expressions.

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