常用日期函数

--查询当日数据

select * from t_member_risk_rate where DATE_FORMAT(check_time,'%Y-%m-%d') =CURDATE()

--查询夜间(0:00-6:00)的数据

select * from t_member_risk_rate c where 1=1 and DATE_FORMAT(c.check_time,'%H')>='00' and DATE_FORMAT(c.check_time,'%H')<='05'

--查询订单金额整百的数据

select * from T_TRADE_DETAIL where 1=1  and mod(ORDER_CNY_AMOUNT, 100)=0

select * from T_TRADE_DETAIL where 1=1  and (ORDER_CNY_AMOUNT%100)=0

--查询订单金额非整数的数据

select * from T_TRADE_DETAIL where 1=1  and truncate(ORDER_CNY_AMOUNT, 0) != ORDER_CNY_AMOUNT

select * from T_TRADE_DETAIL where 1=1  and FLOOR(ORDER_CNY_AMOUNT) < ORDER_CNY_AMOUNT