oracle递归查询

--表结构和测试数据

create table T_RBAC_RES
(
ID       NUMBER not null,
PARENTLD NUMBER,
NAME     VARCHAR2(20) not null
)
tablespace USERS
pctfree 10
initrans 1
maxtrans 255
storage
(
initial 64K
minextents 1
maxextents unlimited
);

insert into T_RBAC_RES (ID, PARENTLD, NAME)values (1, 2, '熊小小小敏');insert into T_RBAC_RES (ID, PARENTLD, NAME)values (2, 3, '熊小小敏');insert into T_RBAC_RES (ID, PARENTLD, NAME)values (3, 4, '熊小敏');insert into T_RBAC_RES (ID, PARENTLD, NAME)values (4, 5, '熊敏');insert into T_RBAC_RES (ID, PARENTLD, NAME)values (5, 6, '熊荣华');insert into T_RBAC_RES (ID, PARENTLD, NAME)values (6, null, '熊荣华');commit;

select id,name,parentld from t_rbac_res start with id = 6 connect by parentld = prior id;