SQL

Sql code posted by jim
created at 08 Jun 17:15

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DECLARE @OriginalRecord TABLE (id INT NOT NULL, email NVARCHAR(150) NULL)
DECLARE @UpdatedRecord TABLE (id INT NOT NULL, email NVARCHAR(150) NULL)

INSERT INTO @OriginalRecord  VALUES ( 1, 'tester@lhh.com')
INSERT INTO @UpdatedRecord VALUES ( 1, 'tester@lhh.com')

SELECT *
FROM @UpdatedRecord
EXCEPT
SELECT *
FROM @OriginalRecord

UPDATE @UpdatedRecord SET email = NULL

SELECT *
FROM @UpdatedRecord
EXCEPT
SELECT *
FROM @OriginalRecord

UPDATE @UpdatedRecord SET email = 'BestDBAEver@hot.com'

SELECT *
FROM @UpdatedRecord
EXCEPT
SELECT *
FROM @OriginalRecord

UPDATE @UpdatedRecord SET email = 'bestdbaEver@hot.com'

SELECT *
FROM @UpdatedRecord
EXCEPT
SELECT *
FROM @OriginalRecord
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