SQL Server 2008 : new binary – hex string conversion functionality can dramatically improve related query performance by orders of magnitude.

In previous SQL Server releases it wasn’t possible to convert binary data to string characters in hex format directly, because SQL Server did not have a built-in Transact-SQL command for converting binary data to a hexadecimal string. The Transact-SQL CONVERT command converted binary data to character data in a one byte to one character fashion….

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