sql - Difference between two dates in MySQL

Question

How to calculate the difference between two dates, in the format YYYY-MM-DD hh: mm: ss and to get the result in seconds or milliseconds?

Answer 1

SELECT TIMEDIFF('2007-12-31 10:02:00','2007-12-30 12:01:01');
-- result: 22:00:59, the difference in HH:MM:SS format


SELECT TIMESTAMPDIFF(SECOND,'2007-12-30 12:01:01','2007-12-31 10:02:00'); 
-- result: 79259  the difference in seconds

So, you can use TIMESTAMPDIFF for your purpose.