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Answers and rating deltas for

how do I write an SQL INSERT query that will avoid duplicating data that are in a range on a row

Author Votes Δ
Styphon 2 +0.65
Strauteka 1 +2.35
Sithu 0 -1.50
Lee S 0 -1.76
Strauteka 0 -1.65
reinierpost 0 -0.33
Last visited: Sep 14, 2014, 5:07:29 AM