StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Is having a primary key in a database table really necessary?
| Author | Votes | Δ |
|---|---|---|
| JDB | 4 | +1.67 |
| EricS | 2 | +0.39 |
| Dan Bracuk | 1 | -0.36 |
| Nagaraj S | 0 | -1.70 |
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