StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    Do I really need PRIMARY KEY when using UNIQUE NOT NULL columns?
| Author | Votes | Δ | 
|---|---|---|
| Damien_The_Unbeliever | 4 | +0.29 | 
| PKCS12 | 0 | -2.28 | 
Last visited: Jan 1, 2019, 8:55:20 AM