检索所有订单的订单ID和订单日期与付款日期之间的天数

Question

答案...,

select orderid as "ORDERID", abs(pymtdate-Orderdate) as "NOOFDAYS"
from orders 

Answer 1

如果您使用的是sql server，那么您需要使用

Datediff()

：

select orderid as "ORDERID", abs(datediff(day,pymtdate,Orderdate)) as "NOOFDAYS" 
from orders