StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
mysql Performance problem on query with group by
| Author | Votes | Δ |
|---|---|---|
| A.Baudouin | 1 | +3.20 |
| DRapp | 0 | -0.40 |
Last visited: Sep 14, 2014, 5:07:29 AM