oracle递归查询 oracle递归查询末级节点
2026-05-06
1、1、创建测试表,create table test_connect(id number, p_id number);2、插入测试数据,insert into test_connect values(1,1);insert into test_connect values(2,1);insert into test_connect values(3,2);insert into test_connect values(4,3);commit;3、查询数据表内容,select *...