ORA-14039：partitioning columns must form a subset of key columns of a UNIQUE index
错误码
错误描述：partitioning columns must form a subset of key columns of a UNIQUE index
错误原因：User attempted to create a UNIQUE partitioned index whose partitioning columns do not form a subset of its key columns which is illegal
解决方法：If the user, indeed, desired to create an index whose partitioning 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 partitioning columns to ensure that the index' partitioning columns form a subset of its key columns
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