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Answers and rating deltas for
How can I select only one unique date_time record from the Table in Oracle
| Author | Votes | Δ |
|---|---|---|
| Akhil | 1 | +3.77 |
| Goran Stefanović | 0 | -1.76 |
| 0 | -0.11 | |
| Rene | 0 | -0.14 |
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