ORA-14188: sub-partitioning columns must form a subset of key columns of a UNIQUE index

Cause: User attempted to create a UNIQUE partitioned index whose sub-partitioning columns do not form a subset of its key columns which is illegal

Action: If the user, indeed, desired to create an index whose subpartitioning columns do not form a subset of its key columns, it must be created as non-UNIQUE; otherwise, correct the list of key and/or subpartitioning columns to ensure that the index' subpartitioning columns form a subset of its key columns

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