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Selective masking in SQL server 2005

, 5 Jan 2012 CPOL
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Masking selected characters in SQL, hiding few characters
--Mask all but show only last 3 digits of the phone number
DECLARE @PhoneNo varchar(10), @Mask varchar(10)
SELECT @PhoneNo = '1234567890', @Mask = 'XXXXXXXXXX' 
 
SELECT @PhoneNo as 'Phone No', replace(@PhoneNo, substring(@PhoneNo, 1, len(@PhoneNo) - 3), 
substring(@Mask, 1, len(@PhoneNo) - 3)) as 'MaskedPhoneNumber'

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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Jobless Creature
Software Developer (Senior) TATA Communications
India India
I have a total experience of around 5 years out of which 4 years in MS technologies. I have a passion towards coding.

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