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    Answers and rating deltas for
    why is that when I use the <> in sql it is not getting the null value
| Author | Votes | Δ | 
|---|---|---|
| Matti Virkkunen | 6 | +0.76 | 
| Michael C. Gates | 0 | -0.38 | 
| Chris Fulstow | 0 | -0.59 | 
| Joshi | 0 | -0.97 | 
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