StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to make a candidate key unique with nullable column
| Author | Votes | Δ |
|---|---|---|
| paparazzo | 1 | +0.62 |
| The Impaler | 0 | -4.92 |
Last visited: Aug 9, 2018, 9:00:57 PM