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Answers and rating deltas for
How to find Number of null column in table using PL/SQL
| Author | Votes | Δ |
|---|---|---|
| Tony Andrews | 4 | +0.52 |
| tbone | 1 | +0.06 |
| Phil | 0 | -2.59 |
| Hasan Fahim | 0 | -2.00 |
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