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Answers and rating deltas for
How to calculate the difference between values in two rows of one table using MS Access 2003 SQL?...
| Author | Votes | Δ |
|---|---|---|
| Tom H. | 3 | +1.59 |
| Johan | 2 | -0.29 |
| Jonathan Leffler | 2 | -0.45 |
| August Karlstrom | 1 | -3.24 |
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