[英]How to do an inner join on row number in sql server
SQL Server 2008 SQL Server 2008
Two tables: 两张桌子:
Table A has following data: 表A有以下数据:
RowA
RowB
RowC
RowD
Table B has following data: 表B有以下数据:
Row4
Row3
Row2
Row1
I want to get the following output: 我想获得以下输出:
RowA Row1
RowB Row2
RowC Row3
RowD Row4
The only common value between the two tables is the row number 两个表之间唯一的共同值是行号
I can get the data individually of course: 我当然可以单独获取数据:
SELECT val
FROM A
ORDER BY val
SELECT val
FROM B
ORDER BY val
But how do I join on the row number? 但是我如何加入行号呢?
And what if I don't have an order-by, but just want the rows in the order they come out? 如果我没有订单,但只是希望按顺序排列的行怎么办?
RowA Row4
RowB Row3
RowC Row2
RowD Row1
as in the join of 就像在加入一样
SELECT val
FROM A
SELECT val
FROM B
try this: 试试这个:
USE ROW_NUMBER() function in sql server 2008 在sql server 2008中使用ROW_NUMBER()函数
select A.val,B.val
from(
SELECT val,row_number() over (order by val) as row_num
FROM A)A
join
(SELECT val,row_number() over (order by val) as row_num
FROM B)B
on A.row_num=B.row_num
ORDER BY A.val,B.val
select A.sectionname, A.Basicprice,A.Brand,A.Description,A.Description,A.Grandtotal,A.GST,A.Gstvalue,A.Hsncode,A.Image,A.Installationcharge,A.Model,B.Age,B.Mark,B.Name,B.class
from(
SELECT Class,row_number() over (order by class) as row_num,Age,Mark,Name
FROM classtable)B
LEFT join
(SELECT sectionname,row_number() over (order by sectionname) as row_num,Basicprice,Brand,Description,Grandtotal,GST,Gstvalue,Hsncode,Image,Installationcharge,Model
FROM testtable)A
on A.row_num=B.row_num
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