Boolean 'NOT' in T-SQL not working on 'bit' datatype?

Question

Trying to perform a single boolean NOT operation, it appears that under MS SQL Server 2005, the following block does not work

DECLARE @MyBoolean bit;
SET @My         


        

Answer 1

Use the ~ operator:

DECLARE @MyBoolean bit
SET @MyBoolean = 0
SET @MyBoolean = ~@MyBoolean
SELECT @MyBoolean