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2024年3月26日发(作者:vicissitudes)

-1、Datediff:

1.1算出日期差:

: datediff('d',fixdate,getdate())

ver: datediff(day,fixdate,getdate())

ACCESS实例: select * from table where data=datediff('d',fixdate,getdate())

sqlserver实例: select * from table where data=datediff(day,fixdate,getdate())

1.2算出时间差:

: datediff('h',fixdate,getdate())

ver: datediff(Hour,'2004-12-10',getdate())

ACCESS实例: select DATEDIFF('h',HMD,getdate())

sqlserver实例: select datediff(Hour,'2004-12-10',getdate())

1.3算出月份差:

: datediff('m',fixdate,getdate())

ver: datediff(Month,'2004-12-10',getdate())

ACCESS实例: select DATEDIFF('m',HMD,getdate())

sqlserver实例: select datediff(Month,'2004-12-10',getdate())

2、日期变量

: #"&data&"#

ver: '"&data&"'

ACCESS实例: select * from table where data=#"&data&"#

sqlserver实例: select * from table where data='"&data&"'

3、是否

: not finished

ver: finished=0

ACCESS实例: select * from table where not finished

sqlserver实例: select * from table where finished=0


本文标签: 算出 时间差 月份