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Answers and rating deltas for

in SQL, why is this JOIN returning the key column twice?

Author Votes Δ
Aaron Dietz 3 +0.76
Kashif Qureshi 1 +1.10
Juan Carlos Oropeza 1 -0.23
seth127 0 -2.79
Friederike 0 -2.50
Last visited: Oct 27, 2017, 7:18:27 AM