Boolean 'NOT' in T-SQL not working on 'bit' datatype?
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by Joannes Vermorel
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Published on 2008-10-07T09:35:24Z
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2010/04/07
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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 @MyBoolean = 0;
SET @MyBoolean = NOT @MyBoolean;
SELECT @MyBoolean;
Instead, I am getting more successful with
DECLARE @MyBoolean bit;
SET @MyBoolean = 0;
SET @MyBoolean = 1 - @MyBoolean;
SELECT @MyBoolean;
Yet, this looks a bit a twisted way to express something as simple as a negation.
Am I missing something?
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