Is there an exclusive OR operator in T-SQL?

Question

This is my statement

IF (@UserName IS NULL AND @EditorKey IS NULL) OR (@UserName IS NOT NULL AND @EditorKey IS NOT NULL) BEGIN
    RAISERROR (\'One of @UserName,         


        

Answer 1

There's a bitwise XOR, but it's not necessarily what you want:

http://msdn.microsoft.com/en-us/library/ms190277.aspx

In your particular case, I find it more immediate to rewrite it like so:

IF (@UserName IS NULL) = (@EditorKey IS NULL) BEGIN