mysql存储过程时间月份减法_MySQL
declare startTime VARCHAR(19) default '2014-00-00 00:00:00'; declare tempTime VARCHAR(19) default NOW(); declare endTime VARCHAR(19) default DATE_SUB(tempTime,INTERVAL '3' MONTH); -- 后退三个月时间 DECLARE MONTHSTR VARCHAR(7) default SUBSTR(endTime,1,7); set endTime=CONCAT(MONTHSTR,'-00 00:00:00'); SELECT startTime as startTime,endTime AS endTime; |