SQL> select e.ename,e.empno,e.sal+nvl(e.comm,0) sr from emp e,emp m where e.mgr = m.empno and (e.sr
)>(m.sr);
select e.ename,e.empno,e.sal+nvl(e.comm,0) sr from emp e,emp m where e.mgr = m.empno and (e.sr )>(m.
*
第 1 行出现错误:
ORA-00904: "M"."SR": 标识符无效
|