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Answers and rating deltas for

SQL query - choosing 'last updated' record in a group, better db design?

Author Votes Δ
zerkms 2 +0.80
Juan Pablo Califano 2 +2.03
Eddie 1 -1.00
Keith Randall 0 -0.93
Last visited: Sep 14, 2014, 5:07:29 AM