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TIMEDIFF « Date Time Functions « MySQL Tutorial
MySQL Tutorial
Date Time Functions
TIMEDIFF
14.44.TIMEDIFF
14.44.1.
TIMEDIFF(expr1,expr2) returns expr1 ¡§C expr2 expressed as a time value.
14.44.2.
SELECT TIMEDIFF('1997-12-31 23:59:59.000001', '1997-12-30 01:01:01.000002');