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An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    How to group multiple values into a single column in SQL
| Author | Votes | Δ | 
|---|---|---|
| Nishanthi Grashia | 0 | +0.40 | 
| bovino Marcelo Bezerra | 0 | +0.42 | 
| Gordon Linoff | 0 | -0.45 | 
Last visited: May 1, 2015, 7:17:19 PM