Your task is to perform a two-step data migration:
- Add a new column named acquired_at to the machine table. This column should be of the DATE data type.
- Update all records in the machine table:
- Populate the newly created acquired_at column by extracting the date value from the acquired field within the details JSON column.
- After successful extraction, remove the acquired field from the details JSON column.
Expected result
| ident | name | details | acquired_at |
|---|
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