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Answers and rating deltas for
How can I write a query that aggregate a single row with latest date among multiple set of rows?
| Author | Votes | Δ |
|---|---|---|
| Santhosh | 1 | +4.12 |
| Strawberry | 0 | +0.01 |
| Cyril Gandon | 0 | -0.33 |
| Mohan Raj B | 0 | -0.69 |
| Ajo Koshy | 0 | -0.85 |
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