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Answers and rating deltas for
What is the effect (or purpose) of a foreign key column referencing itself?
| Author | Votes | Δ |
|---|---|---|
| Gaspa79 | 2 | +4.10 |
| Tim Lehner | 1 | +0.49 |
| Matt Hamsmith | 0 | 0.00 |
| TcKs | 0 | -1.00 |
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