SQL SERVER – ASCII to Decimal and Decimal to ASCII

ASCII – Returns the ASCII code value of the leftmost character of a character expression.

CHAR – Fixed-length non-Unicode character data with length of n bytes.

Examples:
----Decimal to ASCII
SELECT CHAR(80)+CHAR(73)+CHAR(78)+CHAR(65)+CHAR(76) AS SQLAuthorityAuthor
GO

----ASCII to Decimal
SELECT ASCII('P') AS SQLAuthorityAuthor
UNION ALL
SELECT ASCII('I')
UNION ALL
SELECT ASCII('N')
UNION ALL
SELECT ASCII('A')
UNION ALL
SELECT ASCII('L')
GO

Refer the ASCII-Decimal Table here.

Reference : Pinal Dave (http://blog.SQLAuthority.com)

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