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Answers and rating deltas for

Why does my query work with 3 columns but fail with 4 or more?

Author Votes Δ
Joachim Isaksson 5 +0.70
heretolearn 4 +3.39
Stephen Booher 2 +0.32
andrewsi 1 -0.75
Radix 1 -2.74
Last visited: Sep 14, 2014, 5:07:29 AM