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Answers and rating deltas for
MySQL - How come I get 0 rows when I compare 2 tables when 1 of them return null?
| Author | Votes | Δ |
|---|---|---|
| Del Pedro | 2 | +3.02 |
| juergen d | 2 | +0.28 |
| vyegorov | 1 | -1.16 |
| Bryan Moyles | 0 | -4.07 |
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