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Answers and rating deltas for
Postgres : Group by two columns - group by includes all unique combinations with 0 for null counts
| Author | Votes | Δ |
|---|---|---|
| Thorsten Kettner | 3 | +1.80 |
| Radim Bača | 1 | -1.80 |
Last visited: Apr 30, 2018, 8:34:30 AM