StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    Is there a way to get all non null value from a group of columns in SQL?
| Author | Votes | Δ | 
|---|---|---|
| Brett | 2 | +3.78 | 
| Pipat Posawad | 0 | -3.78 | 
Last visited: Jan 1, 2019, 8:55:20 AM