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An Elo-based rating system for Stack Overflow
Answers and rating deltas for
SQL: sum 3 columns when one column has a null value?
Author | Votes | Δ |
---|---|---|
Mitchel Sellers | 31 | +1.19 |
Jim Reineri | 10 | +0.84 |
gjutras | 10 | +0.90 |
Colin | 1 | -0.21 |
KM. | 0 | -1.20 |
Jerome | 0 | 0.00 |
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