StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to count number of rows with unique values in each column given following query in SQL
| Author | Votes | Δ |
|---|---|---|
| Littlefoot | 2 | +1.66 |
| The Impaler | 1 | -1.66 |
Last visited: May 14, 2020, 3:16:00 AM