Answer / meenakshi

we can link database If both the DBs are on same Server and
the current user have access permission on both database
then you can use the following query..

Select SomeColumns From CurrentDBName..TableName
Select SomeColumns From OtherDBName..TableName

If the databases are on different Server then you have to
use the Linked Server..

EXEC sp_addlinkedserver @server = 'SERVER', @provider
= 'SQLOLEDB.1', @srvproduct = '', @provstr
= 'Privider=SQLOLEDB.1;Data Source=TargetServer;Initial
Catalog=Database'

go
Exec sp_addlinkedsrvlogin @rmtsrvname = 'SERVER', @useself
= true, @locallogin = null, @rmtuser = 'Userid',
@rmtpassword = 'Password'


On your SP you can use..

Select * From OpenQuery(MyRemoteServer, 'Select * From
Sysobjects')

--OR

Select * From MyRemoteServer.DatabaseName.dbo.Sysobjects

Answer / anil

You can also use curl function for use defferent database

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