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Answers and rating deltas for
Why does an SQL table have multiple primary keys?
| Author | Votes | Δ |
|---|---|---|
| nvogel | 2 | +1.60 |
| Miserable Variable | 1 | +0.31 |
| Michael Fredrickson | 0 | -1.55 |
| socha23 | 0 | -2.93 |
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