StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
When should I mark a column as the primary key?
| Author | Votes | Δ |
|---|---|---|
| Drew | 3 | +0.39 |
| Amar Srivastava | 1 | -3.11 |
Last visited: Oct 3, 2016, 6:30:03 PM