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  • access与SqlServer 之时间与日期及其它SQL语句比较

    access与SqlServer 之时间与日期及其它SQL语句比较

    1、Datediff:

    1.1算出日期差:
    1.access:       datediff('d',fixdate,getdate())
    2.sqlserver:    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:
    1.access:       datediff('h',fixdate,getdate())
    2.sqlserver:    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:
    1.access:       datediff('m',fixdate,getdate())
    2.sqlserver:    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
    1.access:       #"&data&"#
    2.sqlserver:    '"&data&"'
    ACCESS实例:    select * from table where data=#"&data&"#
    sqlserver实例: select * from table where data='"&data&"'
    ----------------------------------------------------------------------------

    3、是否
    1.access:       not finished
    2.sqlserver:    finished=0
    ACCESS实例:    select * from table where not finished
    sqlserver实例: select * from table where finished=0
    ----------------------------------------------------------------------------

    4、求余数

    1.access:       a mod b=100
    2.sqlserver:    a % b =100
    ACCESS实例:    select   a mod b=100 from table where not finished
    sqlserver实例: select a % b =100 from table where finished=0
    ----------------------------------------------------------------------------

    5、获取当天日期
    1.access:       now()
    2.sqlserver:    getdate()
    ACCESS实例:    select   now()
    sqlserver实例: select getdate()

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  • 原文地址:https://www.cnblogs.com/aion111/p/1486726.html
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