TSQL – Create an ASCII chart

This code shows the Symbol and HEX as well as DEC. Still to go is OCT.

WITH Symbols
 AS (
 SELECT -1 code,
 CHAR(ASCII(' ')) Symbol
 UNION ALL
 SELECT code + 1,
 CHAR(code + 1)
 FROM Symbols
 WHERE code + 1 <= 255
 )
 SELECT Symbol,
 ASCII(Symbol) AS [DEC],
 master.dbo.fn_varbintohexstr(CAST(Symbol AS VARBINARY)) AS HEX
 --,(ASCII(Symbol) % 8) AS [OCT]
 FROM Symbols
 ORDER BY [DEC]
OPTION (MAXRECURSION 256)