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Answers and rating deltas for

How can I select unique rows in a database over two columns?

Author Votes Δ
Christian 4 +3.70
Dibstar 1 +1.73
gcbenison 0 -1.61
mjbnz 0 -2.34
xQbert 0 -0.19
Last visited: Sep 14, 2014, 5:07:29 AM