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Answers and rating deltas for
Produce a per customer per month sales report via SQL eg group by two columns and sum the third
| Author | Votes | Δ |
|---|---|---|
| Anonymous | 2 | +3.95 |
| Zaynul Abadin Tuhin | 1 | +1.26 |
| MJH | 0 | -0.77 |
| Yogesh Sharma | 0 | -0.98 |
Last visited: Jan 1, 2019, 8:55:20 AM