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())
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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&"'
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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
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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
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ID AGE
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set xact_abort on
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)
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-- 下面的操作主要是为了实现fO ......
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2004-09-12 11:06:08
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20040912110608 h
select CONVERT(varchar(12) , getdate(), 111 )
2004/09/12
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1。select * from v$nls_parameters
查询nls的参数,获得数据库服务器端的字符编码
NLS_LANGUAGE
NLS_CHARACTERSET
2。修改本地环境变量,设置
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NLS_LANG格式:
NLS_LANG = language_territory.char ......