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Answers and rating deltas for
How do I efficiently group data in a hierarchical format in T-SQL?
| Author | Votes | Δ |
|---|---|---|
| Phil Sandler | 2 | +3.76 |
| NotMe | 1 | -0.17 |
| Sparky | 1 | -1.41 |
| Nathan DeWitt | 1 | -0.98 |
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