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Asked: 2026-05-29T07:08:53+00:00

Column d is DATE, column t is time, column v is, for example, INT.

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Column d is DATE, column t is time, column v is, for example, INT. Let’s say I need all the values recorded after 15:00 of 01 Feb 2012 and on. If I write

SELECT * FROM `mytable` WHERE `d` > '2012-02-01' AND `t` > '15:00'

all the records made before 15:00 at any date are going to be excluded from the result set (as well as all made at 2012-02-01) while I want to see them. It seems it would be easy if there were a single DATETIME column, but there are separate columns for date and time instead in the case of mine.

The best I can see now is something like

SELECT * FROM `mytable` WHERE `d` >= '2012-02-02' OR (`d` = '2012-02-01' AND `t` > '15:00')

Any better ideas? Maybe there is a function for this in MySQL? Isn’t there something like

SELECT * FROM `mytable` WHERE DateTime(`d`, `t`) > '2012-02-01 15:00'

possible?

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1 Answer

  1. Editorial Team

    You can use the mysql CONCAT() function to add the two columns together into one, and then compare them like this:

    SELECT * FROM `mytable` WHERE CONCAT(`d`,' ',`t`) > '2012-02-01 15:00'
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