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Answers and rating deltas for
How does the GROUP BY clause manage the NULL values?
| Author | Votes | Δ |
|---|---|---|
| Mudassir Hasan | 1 | +1.47 |
| yugesh | 0 | -1.89 |
| Euro Micelli | 0 | -1.23 |
Last visited: Sep 14, 2014, 5:07:29 AM