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Answers and rating deltas for
How to update a column base on another column's value from another table
| Author | Votes | Δ |
|---|---|---|
| SQL_M | 3 | +0.56 |
| Adnan Sharif | 1 | +1.14 |
| santosh rajarapu | 0 | -2.85 |
| Mahesh | 0 | -2.74 |
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