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access与SqlServer 之时间与日期及其它SQL语句比较

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access与SqlServer 之时间与日期及其它SQL语句比较

<%
'**********************************************
'小结:access与SqlServer 之时间与日期及其它SQL语句比较
'作者:flashasp,工作中总结
'**********************************************
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()
----------------------------------------------------------------------------
%>

注:本文转自http://blog.csdn.net/flashasp/archive/2007/01/23/1490885.aspx
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