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Answers and rating deltas for
SQL How to find average of many sums of groups only if the groups follow certain rules
| Author | Votes | Δ |
|---|---|---|
| Parfait | 2 | +2.27 |
| Mikhail Berlyant | 1 | -2.27 |
Last visited: Apr 1, 2018, 3:02:55 AM