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Answers and rating deltas for
oracle sql - how to get columns which contain string or null
| Author | Votes | Δ |
|---|---|---|
| Gbenga A | 1 | +1.23 |
| Aritra Bhattacharya | 1 | +1.89 |
| Allan | 1 | +0.15 |
| cableload | 0 | -4.29 |
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