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Thread: How to retrieve column SET UNUSED

  1. #1
    Join Date
    Mar 2001
    ALTER TABLE table_name SET UNUSED (column_name)
    can be used to mark a column to be dropped later. But can the column be unset also so that it can be used later when u think it is needed or not to be dropped? IS there a way out?

  2. #2
    Join Date
    Sep 2001
    NJ, USA
    old backup file or export/import backup file only.

  3. #3
    Join Date
    May 2002
    Once a column is dropped or the UNUSED flag is set, it is not possible to rollback the operation.

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