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Answers and rating deltas for
How do I SELECT minimum set of rows to cover all possible values of each columns in SQL?
| Author | Votes | Δ |
|---|---|---|
| a_horse_with_no_name | 3 | +0.87 |
| Gordon Linoff | 2 | +0.61 |
| Shnugo | 1 | -0.74 |
| James Casey | 0 | -2.55 |
| dylanthelion | 0 | -2.01 |
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