StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    SQL - Create Foreign Key on multiple columns with different count of columns
| Author | Votes | Δ | 
|---|---|---|
| John D | 2 | +4.18 | 
| Simon Ludwig | 0 | -4.18 | 
Last visited: Dec 5, 2016, 2:09:05 AM