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* Use [http://www.w3schools.com/sql/func_date_format.asp MySQL DATE_FORMAT() Function]: {{kbd | key = <nowiki>DATE_FORMAT( time, '%Y-%m-%d')</nowiki>}} | * Use [http://www.w3schools.com/sql/func_date_format.asp MySQL DATE_FORMAT() Function]: {{kbd | key = <nowiki>DATE_FORMAT( time, '%Y-%m-%d')</nowiki>}} | ||
=== timer === | |||
<pre> | |||
SELECT @timer := CURRENT_TIMESTAMP(); | |||
SELECT SLEEP(2); //sleep 2 second | |||
SELECT '自訂文字' AS 'action', CURRENT_TIMESTAMP() AS 'end time', @timer AS 'start time', TIMEDIFF(CURRENT_TIMESTAMP(), @timer) AS 'diff'; | |||
</pre> | |||
=== further reading === | === further reading === | ||