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Answers and rating deltas for

How to insert a row, but on duplicate; update it instead?

Author Votes Δ
MelTraX 2 0.00
Rob F 2 +2.80
Tom Ritter 2 +0.21
TLiebe 1 -1.14
Jack Marchetti 0 -3.36
Last visited: Sep 14, 2014, 5:07:29 AM