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Output clause with Update Magic Table


Posted Date: 29 Sep 2007    Resource Type: Code Snippets    Category: SQL

Posted By: http://venkattechnicalblog.blogspot.com/       Member Level: Diamond
Rating:     Points: 7



The output clause is the new feature included in SQL Server 2005 it enable to project the updated datas into the magic table so that the datas can be recovered.



CREATE TABLE VENKATOutput
(
KeyID INT Identity,
Name CHAR(20)
)

GO
INSERT INTO VENKATOutput(Name) Values ('Jim')
INSERT INTO VENKATOutput(Name) Values ('Markus')
INSERT INTO VENKATOutput(Name) Values ('Rod')
INSERT INTO VENKATOutput(Name) Values ('John')
INSERT INTO VENKATOutput(Name) Values ('Alan')
GO
SELECT * FROM VENKATOutput


-- Utilizing the OUTPUT clause with UPDATE
-- THIS WILL RETRIEVE THE DATAS WHICH ARE UPDATED BY THE UPDATE QUERY
DECLARE @UpdatedTable TABLE(UpdatedTableID INT, OldData VARCHAR(20), NewData VARCHAR(20))

UPDATE VENKATOutput SET Name = UPPER(Name)
OUTPUT Inserted.KeyID, Deleted.Name, Inserted.Name INTO @UpdatedTable
SELECT * FROM @UpdatedTable

SELECT * FROM VENKATOutput





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