小编Sab*_*tra的帖子

我对 START WITH 和 CONNECT BY 条件有疑问（在 Oracle 12c 中）：

这是我的 Oracle SQL：

SELECT 
    employee_id, 
    lpad(' ', level*2-1,' ') || last_name, 
    manager_id, 
    level,
    SYS_CONNECT_BY_PATH(last_name, '/') "Path" --returns the full path of the child
FROM 
    hr.employees
start with employee_id = 100
CONNECT BY PRIOR employee_id = manager_id 
AND NOT (last_name = 'Cambrault' and first_name = 'Gerald')
order siblings by last_name

给出以下输出：

EMPLOYEE_ID     LAST_NAME           MANAGER_ID  LEVEL   PATH
100             King                    null    1   /King
102                 De Haan             100     2   /King/De Haan
103                     Hunold          102 …