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Answers and rating deltas for
What is the difference between primary, unique and foreign key constraints, and indexes?
| Author | Votes | Δ |
|---|---|---|
| Nadir SOUALEM | 13 | +3.80 |
| sana | 3 | 0.00 |
| aishwarya g | 2 | 0.00 |
| Graviton | 2 | +0.11 |
| Erwin Smout | 1 | -0.81 |
| priyanka.sarkar | 0 | -3.89 |
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