Interesting question, and fascinating discussion. At this point, I'm not sure what the final correct explanation will be.
If it turns out that the error is only in some clients, does that mean that those of us who got the question wrong by picking 1 can get ROUND(0.5,0) points for it? 😛 - just kidding!
- webrunner
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A SQL query walks into a bar and sees two tables. He walks up to them and asks, "Can I join you?"
Ref.: http://tkyte.blogspot.com/2009/02/sql-joke.html