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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相关文档:
create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',
@pagesize int output,--每页显示记录条数
@currentpage int output,--第几页
@orderid nvarchar(50),--主键排序
@sort int,--排序方式,1表示升序,0表示降序排列
......
行列转置的SQL语句
另一种行列转置 -- 动态 sql 交叉表
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作者: wxy0327(http://wxy0327.itpub.net)
发表于: 2006.05.10 09:11
分类:
Oracle
出处: http://wxy0327.itpub.net/post/16888/88075
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不知道这样的要求能不能实现?
比如我有一张表T1,里面只有一个字段1
里面有100条记录,如下所示:
字段1
A1
A2
A3
A4
...
A100
我想用一条SQL显示这样的结果
第一列 第二列 ... 第十列
A1 A11 &nb ......
新建表:
create table [表名]
(
[自动编号字段] int IDENTITY (1,1) PRIMARY KEY ,
[字段1] nVarChar(50) default '默认值' null ,
[字段2] ntext null ,
[字段3] datetime,
[字段4] money null ,
[字段5] int default 0,
[字段6] Decimal (12,4) default 0,
[字段7] image null ,
)
删除表:
Drop table [表 ......