ORA-30556: functional index is defined on the column to be modified

ORA-30556

ORA-30556: functional index is defined on the column to be modified

Cause: An ALTER TABLE MODIFY COLUMN was issued on a column on which

a functional index exists.

Action: Drop the functional index before attempting to modify the column.

More details : Viste http://www.high-oracle.com/ora-30556/
More details : Viste http://www.high-oracle.com/ora-30556/
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