使用WITH语句,更新表数据,不行: WITH VN AS ( SELECT T.ID, T.NODE_ID, N.NODE_TYPE, N.NODE_NAME, T.NODE_LEVEL, T.RN FROM ( SELECT ID, NODE_ID, LEVEL NODE_LEVEL, ROWNUM RN FROM ORG_NODE_TREE START WITH PARENT_ID IS NULL CONNECT BY PRIOR NODE_ID=PARENT_ID ) T LEFT JO