ORA-32040
        missing UNION ALL in recursive WITH clause element WITH_clause_name
        - WITH_clause_name: name of the WITH clause element
        Cause
        The specified WITH clause element referred to itself (recursive) but did not use a UNION ALL operation.
        Action
        Rewrite the recursive WITH clause element to use a UNION ALL operation.
        
     
    
    
        ORA-32040
        recursive WITH clause must use a UNION ALL operation
        
        
        Cause
        A WITH clause query referred to itself (recursive) but did not use a UNION ALL operation in its definition query.
        Action
        Rewrite the recursive WITH clause query to use a UNION ALL operation.
        
     
    
    
        ORA-32040
        recursive WITH clause must use a UNION ALL operation
        
        
        Cause
        A WITH clause query referred to itself (recursive) but did not use a UNION ALL operation in its definition query.
        Action
        Rewrite the recursive WITH clause query to use a UNION ALL operation.