sir want to retrieve data from different data base in a single gridview

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SQL-Server-2008R2

sir want to retrieve data from different data base of diffrent tabe in a single gridview.

i have written this code for this.

SQL

SELECT database1.dbo.table1.*, database2.table2.*, database3.dbo.table3.*
FROM database1.dbo.table1 JOIN database2.dbo.table2 ON database1.dbo.table1.hid = database2.dbo.table2.hid JOIN database3.dbo.table3 ON database3.dbo.table3.hid =database2.dbo.table2.hid JOIN database3.dbo.table3 ON database3.dbo.table3 .hid = database1.dbo.table1.hid

Posted 22-Dec-14 23:42pm

Rajiv.net40

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Praveen Kumar Upadhyay 23-Dec-14 5:45am

So what is the issue??

Rajiv.net40 23-Dec-14 5:49am

not working this code...

Sinisa Hajnal 23-Dec-14 6:10am

Not working how? What error do you get? Don't use * in selects, list only the data you need...also use aliases on the tables, easier to read that way.

2 solutions

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syed shanu · Answer 1 · 2014-12-23T13:48:00

Try liks this hope this will work for you.

SQL

      SELECT Distinct T1.Col1,
        T1.Col2,
        T1.Col3,
        T2.col1,
        T2.Col2
        T3.Col1,
FROM database1.dbo.table1 t1
 INNER JOIN database2.dbo.table2  T2
            ON T1.hid = T2.hid
INNER JOIN database3.dbo.table3 T3
            ON T2.hid =T3.hid

Lucifier Rocks · Answer 2 · 2014-12-23T22:12:00

Solution 3

IF COLUMNS IN THE TABLE ARE SAME THEN USE UNION OR UNION ALL

SELELCT COLUMNNAME FROM DATABASE1.DBO.TABLE
UNION ALL/ UNION
SELELCT COLUMNNAME FROM DATABASE1.DBO.TABLE

YOUR JOB IS DONE

Posted 23-Dec-14 22:12pm

Lucifier Rocks