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Answers and rating deltas for
What are the drawbacks of foreign key constraints that reference non-primary-key columns?
| Author | Votes | Δ |
|---|---|---|
| marc_s | 2 | +0.85 |
| gbn | 1 | -0.23 |
| nvogel | 1 | +0.63 |
| dkretz | 0 | -0.67 |
| bonifaz | 0 | -1.18 |
| sagar | -1 | -3.48 |
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