sqlserver分页
现在一般常用的有以下2种方法:
1. select top @pagesize * from table1 where id not in (select top @pagesize*(@page-1) id from table1 order by id) order by id
2. select * from (select top @pagesize * from (select top @pagesize*@page * from table1 order by id) a order by id desc) b order by id
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SQLServer中的循环批处理
GO命令后面加一个常量就可以了
下面方法可以用来快速生成一批数据
if (object_id ('t' ) is not null ) drop table t
go
create table t (id int identity (1 , 1 ), name varchar (40 ))
go
insert into t (name ) select newid ()
go 10
select * from t
/*
1 &nbs ......
--每个月的第一天
select dateadd(dd,-datepart(dd,getdate())+1,getdate())
--第个月的最后一天
select dateadd(dd,-datepart(dd,getdate()),dateadd(mm,1,getdate()))
--本月的天数
select datediff(dd,getdate(),dateadd(mm,1,getdate()))
......
sqlserver 2000排名函数
名次生成方式1,重复时合并名次
SELECT * , Place=(SELECT COUNT(DISTINCT Score) +1 from jh03 WHERE Score >= a.Score)
from jh03 a
ORDER BY Place
名次生成方式2 , 重复时保留名次空缺
SELECT * , Place=(SELECT COUNT(Score) from jh03 WHERE Score > a.Score) + 1
from j ......
1.绝对值
S:select abs(-1) value
O:select abs(-1) value from dual
2.取整(大)
S:select ceiling(-1.001) value
O:select ceil(-1.001) value from dual
3.取整（小）
S:select floor(-1.001) value
O:select floor(-1.001) value from dual
4.� ......
SQL-Structured Query Language
--(开启SQL服务：net start mssqlserver)
--(在命令行中输入'sqlwb'命令可打开SQL管理器 )
--(如果 ......
