phpAsks.com

SUBTIME()

SUBTIME(expr,expr2)

SUBTIME() resta expr2 de expr y devuelve el resultado. expr es una expresión fecha o fecha y hora, y expr2 es una expresión tiempo.

mysql> SELECT SUBTIME("1997-12-31 23:59:59.999999", "1 1:1:1.000002");
        -> '1997-12-30 22:58:58.999997'
mysql> SELECT SUBTIME("01:00:00.999999", "02:00:00.999998");
        -> '-00:59:59.999999'

SUBTIME() se añadió en MySQL 4.1.1.

MySQL

Functions

ADDDATE ADDTIME CONVERT_TZ CURDATE CURRENT_DATE CURRENT_TIME CURRENT_TIMESTAMP CURTIME DATE DATEDIFF DATE_ADD DATE_FORMAT DATE_SUB DAY DAYNAME DAYOFMONTH DAYOFWEEK DAYOFYEAR EXTRACT FROM_DAYS FROM_UNIXTIME GET_FORMAT HOUR LAST_DAY LOCALTIME LOCALTIMESTAMP MAKEDATE MAKETIME MICROSECOND MINUTE MONTH MONTHNAME NOW PERIOD_ADD PERIOD_DIFF QUARTER SECOND SEC_TO_TIME STR_TO_DATE SUBDATE SUBTIME SYSDATE TIME TIMEDIFF TIMESTAMP TIMESTAMPADD TIMESTAMPDIFF TIME_FORMAT TIME_TO_SEC TO_DAYS UNIX_TIMESTAMP UTC_DATE UTC_TIME UTC_TIMESTAMP WEEK WEEKDAY WEEKOFYEAR YEAR YEARWEEK