摘要: SELECT ROWNUM,bmbaent,bmbasite, connect_by_root(bmaa001) root, bmba002,bmaa001,bmba003, LEVEL level1, sys_connect_by_path(LEVEL,'∠') level2 FROM bmaa_ 阅读全文
posted @ 2021-08-25 15:16 AaronLi 阅读(120) 评论(0) 推荐(0) 编辑