oracle递归查询 oracle递归查询末级节点
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...
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...