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Answers and rating deltas for

Can I avoid "redundancy" in this foreign key?

Author Votes Δ
Sergey Kalinichenko 2 +0.76
Thorsten Kettner 1 +0.23
tarun 0 -1.85
Charles Bretana 0 -0.76
Last visited: Jan 6, 2017, 4:37:43 PM