sqlserver遍历父,sql 遍历

sqlserver 存储过程中循环遍历结果集

sql1=select * from (select *, row_number() over(order by username ) as rowNumber from users where regfrom='admin') as t where t.rowNumber 0 and t.rowNumber = 0 + 30 order by username

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怎么会有27 条记录呢，除非你的表 一共就27条记录吧。

用游标或临时表

--游标

declare youbiao1 for 查询1

open youbiao1

fetch next from youbiao1 into 变量

while @@FETCH_STATUS = 0

begin

里面一次套用

end

--临时表

declare @ID int

set @ID = 1

while Exists(select * from 表)

begin

--处理

--

set @ID = @ID + 1

end

SQLserver 树类型，遍历问题，谢谢

Create Table Tb

(

Pid Varchar(50),

CEID Varchar(50),

Level int,

Ccode Varchar(50),

pCode Varchar(50)

)

Insert Into TB Values('','1',0,'产品1','')

Insert Into TB Values('1','2',1,'Test1','产品1')

Insert Into TB Values('1','3',1,'Test2','产品1')

Insert Into TB Values('2','4',2,'Test11','Test1')

Insert Into TB Values('2','5',2,'Test12','Test1')

Insert Into TB Values('3','6',2,'Test21','Test2')

Insert Into TB Values('3','7',2,'Test22','Test2')

Insert Into TB Values('6','8',3,'Test211','Test21')

Insert Into TB Values('6','9',3,'Test212','Test21')

Insert Into TB Values('6','10',3,'Test213','Test21')

With T

As

(

Select Pid,CEID,Ccode,Level,Convert(Varchar(4000),CEID) As Path From TB  Where Pid=''

Union All

Select TB.Pid,TB.CEID,TB.Ccode,TB.Level,Convert(Varchar(4000),T.Path+'-'+TB.CEID) From TB inner join T On TB.Pid=T.CEID

)

Select replicate('    ',level)+Ccode As Ccode From T

Order By Path

sql server 某数据库所有表中数据的遍历

--T_Sql查询

select a.Name as tableName from sysobjects a inner join syscolumns b on a.ID=b.ID

where b.Name='字段名'

给分！

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