ORA-38425: attribute set used for an index object may not be unassigned

ORA-38425
ORA-38425: attribute set used for an index object may not be unassigned
Cause: An attempt was made to un-assign an attribute set from an expression set
when there is an Expression Filter index defined on the column.
Action: Drop the index before un-assigning the attribute set.
More details : Viste http://www.high-oracle.com/ora-38425/
More details : Viste http://www.high-oracle.com/ora-38425/
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