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Answers and rating deltas for
MySQL: low cardinality/selectivity columns = how to index?
| Author | Votes | Δ |
|---|---|---|
| a'r | 21 | +4.21 |
| extraneon | 7 | +1.47 |
| user187291 | 3 | -0.34 |
| Anand Immannavar | 3 | 0.00 |
| Mike Sherov | 1 | -1.66 |
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