C# Search from multiple tables

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Hi I'm building windows form application in C#
i have 3 tables in the ~~databse~~ database in which "PID" is common ~~colum~~ column name in all the tables
"I need a search query which search from multiple tables Across the Sql database?"

Posted 2-Mar-13 9:18am

osamadaku

Updated 2-Mar-13 11:13am

Monjurul Habib

v3

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Shobhana.n · Answer 1 · 2013-03-02T09:40:00

Solution 1

You can use inner joins on PID colom and can create search query.

Posted 2-Mar-13 9:40am

Shobhana.n

Mostafa Metwally · Answer 2 · 2013-03-02T11:21:00

Solution 2

If you have A relationship Diagram between them

use:-

SQL

select ...,...,...,... from table1,table2,table3

Without a relationship Diagram use inner join:-

SQL

select ....,...,....,.... from table1 inner join table2
on table1.PID=table2.PID 
inner join table3
on table2.PID=table3.PID

Posted 2-Mar-13 11:21am

Mostafa Metwally