ORA-32307：must use FROM ONLY clause when referencing an object table
错误码
错误描述：must use FROM ONLY clause when referencing an object table
错误原因：An attempt was made to create a materialized view whose definition query references object tables without the FROM ONLY clause.
解决方法：Rewrite the definition query to use the FROM ONLY clause for all the object tables in the query.
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