StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Joining two tables , one with parent child hierarchy and the output is giving more rows than table 1
| Author | Votes | Δ |
|---|---|---|
| Venkataraman R | 0 | +0.09 |
| 于志强 | 0 | -0.69 |
Last visited: Sep 5, 2020, 12:36:14 PM