drop table TB_CLASS cascade constraints;
/*==============================================================*/
/* Table: TB_CLASS */
/*==============================================================*/
create table TB_CLASS (
ID NUMBER(16) not null,
NAME VARCHAR2(30),
PID NUMBER(16) not null,
SORT NUMBER(16),
constraint PK_TB_CLASS primary key (ID)
);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (1, '购物', 0, null);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (2, '球具', 1, null);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (3, '球包', 1, null);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (4, '高尔夫球', 1, null);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (5, '球杆', 2, null);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (6, '一号木', 2, null);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (7, '铁木干', 2, null);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (8, 'Titleist球', 4, null);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (9, '高尔夫鞋', 1, null);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (10, '男士鞋', 9, null);
insert into TB_CLASS (ID, NAME, PID, SORT)
values (11, '女士鞋', 9, null);
SELECT B.ID,
B.NAME,
LEVEL
FROM TB_CLASS B
START WITH B.PID = 0
CONNECT BY PRIOR B.ID = B.PID