StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
SQL - Group count by 2 or more columns using union takes more than 2 seconds
| Author | Votes | Δ |
|---|---|---|
| Gordon Linoff | 2 | +2.01 |
| Mark Barinstein | 0 | -2.01 |
Last visited: Oct 18, 2020, 5:58:00 PM