datediff()函数,返回两个日期之间的天数;
语法:
1 DATEDIFF(expr1,expr2)
某表中当天所有记录,表中字段create_time 类型为datetime:
select * from table where datediff(create_time,now())=0
datediff()函数,返回两个日期之间的天数;
语法:
1 DATEDIFF(expr1,expr2)
某表中当天所有记录,表中字段create_time 类型为datetime:
select * from table where datediff(create_time,now())=0