Virtual Table and Join

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SQL-Server-2005

How create virtual table and inner join them in a single query
Original Table:
table1 fields:A,B,C,D,E
Table2 Fields:F,G,H,B,K

Virtual table1 fields:B,sum(A)
Virtual table2 fields:B,sum(K)

Join results needed:B,sum(A),sum(K)

Posted 24-May-12 21:50pm

rajin kp

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RDBurmon 25-May-12 4:19am

Rajin , I think you have got enough solution to solve this . So as a member of CP We would request you to please analyze below solutions and accept the right one and mark your question as [Solved]

3 solutions

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RDBurmon · Accepted Answer · 2012-05-24T22:09:00

Okey , Since you have not specified exact table structure and data so I have considered below

SQL

Table1
 (A BIGINT ,
  B NVARCHAR(50) ,
  C NVARCHAR(50) ,
  D NVARCHAR(50) ,
  E NVARCHAR(50)
 )

SQL

Table2
 (F NVARCHAR(50) ,
  G NVARCHAR(50) ,
  H NVARCHAR(50) ,
  B NVARCHAR(50) ,
  K BIGINT
 )

Table1
A	B	C	D	E
10	B1	C1	D1	E1
20	B2	C2	D2	E2

Table2
F	G	H	B	K
F1	G1	H1	B1	10
F1	G2	H2	B2	20

And here is the sql proc as per your need

SQL

CREATE TABLE #table1 (B NVARCHAR(10),SumOfA BIGINT,C NVARCHAR(50),D NVARCHAR(50),E NVARCHAR(50))
CREATE TABLE #table2 (B NVARCHAR(10),SumOfK BIGINT,F NVARCHAR(50),G NVARCHAR(50),H NVARCHAR(50))

INSERT INTO #table1
SELECT B,SUM(A),C,D,E FROM Table1 GROUP BY B,C,D,E

INSERT INTO #table2
SELECT B,SUM(K),F,G,H FROM Table2 GROUP BY B,F,G,H

SELECT B,SumOfA,SumOfK,C,D,E,F,G,H FROM #table1 T1 Inner Join #table2 T2 On T1.A=T2.A

Hope this helps , If yes then plz accept and vote the answer. Any queries / questions on this are always welcome.

Thanks & Regards
RDBurmon.Sr.Software Engineer

Maciej Los · Accepted Answer · 2012-05-24T22:06:00

Solution 2

The answer of Manas Bhardwaj is good, but i prefer to use aliases[^], like this:

SQL

SELECT t1.B, SUM(t1.A), SUM(t2.K)
FROM Table1 AS t1 INNER JOIN Table2 AS t2 ON t1.B = t2.B
GROUP BY t1.A, t1.B, t2.K

In my opinion it looks more readible ;)

If youwould like to create temporary table, use # with CREATE TABLE[^] command, for example

SQL

CREATE TABLE #MyTempTable (
    ID INT NOT NULL,
    Name VARCHAR(30) NULL)

--usage:
INSERT INTO #MyTampTable (ID, Name)
    VALUES(1,'SomeText')

SELECT *
FROM #MyTempTable

DROP TABLE #MyTempTable

Posted 24-May-12 22:06pm

Maciej Los

Comments

RDBurmon 25-May-12 4:17am

My 5

Maciej Los 25-May-12 4:50am

Thank you, RDBurmon ;)

RDBurmon 25-May-12 5:15am

welcome

Manas Bhardwaj 25-May-12 4:39am

nice +5

Maciej Los 25-May-12 4:50am

Thank you, Manas ;)

rajin kp 25-May-12 4:46am

thanks

Maciej Los 25-May-12 4:51am

You're welcome ;)

Prasad_Kulkarni 25-May-12 5:11am

Good one 5!

Maciej Los 25-May-12 5:14am

Thank you, Prasad ;)

VJ Reddy 25-May-12 6:40am

Good answer. 5!

Maciej Los 25-May-12 6:44am

Thank you, VJ ;)

Manas Bhardwaj · Accepted Answer · 2012-05-24T21:56:00

Solution 1

SQL

SELECT
    Table1.B,
    SUM(Table1.A),
    SUM(Table2.K)
FROM
    Table1 INNER JOIN Table2 ON
        Table1.B = Table2.B
GROUP BY Table1.A, Table1.B, Table2.K

Posted 24-May-12 21:56pm

Manas Bhardwaj

Comments

Maciej Los 25-May-12 4:07am

Good answer, My 5!

Manas Bhardwaj 25-May-12 4:39am

thanks!

rajin kp 25-May-12 4:46am

thanks

Prasad_Kulkarni 25-May-12 5:12am

Good answer Manas! 5!

Manas Bhardwaj 25-May-12 5:16am

thanks! :)

Virtual Table and Join

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