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An Elo-based rating system for Stack Overflow
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Answers and rating deltas for

Assign null if subquery retrieves multiple records. How can it be done?

Author Votes Δ
Mureinik 1 +1.27
Beth 0 -0.25
Jordan Parmer 0 -1.02
Last visited: Jan 3, 2016, 9:42:40 AM