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    Answers and rating deltas for
    How to use isset condition for mysql query output
| Author | Votes | Δ | 
|---|---|---|
| Beginner | 1 | +0.40 | 
| Michiel van Alphen | 1 | +2.39 | 
| Hikmat Sijapati | 0 | -2.03 | 
| SOFe | 0 | -3.51 | 
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