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Answers and rating deltas for
Why do we need 'WHERE EXISTS' operator in SQL?
| Author | Votes | Δ |
|---|---|---|
| Gordon Linoff | 3 | +0.76 |
| wildplasser | 0 | -0.47 |
| Eugene | 0 | -1.30 |
| ekolis | 0 | -1.03 |
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