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Answers and rating deltas for
How can I use Proc SQL to find all the records that only exist in one table but not the other?
| Author | Votes | Δ |
|---|---|---|
| itzy | 6 | +3.87 |
| Longfish | 5 | -1.20 |
| user2239912 | 0 | 0.00 |
| user2781854 | -1 | 0.00 |
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