Personal as face o procedura stocata ceva gen:

CREATE PROC usp_GETTableT1 @DB1 bit

AS
BEGIN

IF @DB1=1 SELECT MyColumn FROM BD1..T1

ELSE SELECT MyColumn FROM BD2..T2

END

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Cristian Andrei Lefter, SQL Server MVP
MCT, MCSA, MCDBA, MCAD, MCSD .NET,
MCTS, MCITP - Database Administrator SQL Server 2005
http://sqlserver.ro