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Answers and rating deltas for
SQL - how can I copy a column and its data to a new column in the same table?
Author | Votes | Δ |
---|---|---|
marcwho | 1 | +1.38 |
Guffa | 1 | +0.03 |
srini.venigalla | 1 | +2.20 |
user98534 | 0 | -3.84 |
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