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How can I alter a table in Oracle while adding a column, which is of the same type as a column from
| Author | Votes | Δ |
|---|---|---|
| APC | 1 | +1.19 |
| Littlefoot | 0 | -0.31 |
| Kaushik Nayak | 0 | -0.88 |
Last visited: May 27, 2018, 4:48:27 PM