题解 | 使用含有关键字exists查找未分配具体部门的员工的所有信息。
使用含有关键字exists查找未分配具体部门的员工的所有信息。
https://www.nowcoder.com/practice/c39cbfbd111a4d92b221acec1c7c1484
select * from employees as p1 where not exists (select * from dept_emp as p2 where p2.emp_no=p1.emp_no);
使用含有关键字exists查找未分配具体部门的员工的所有信息。
https://www.nowcoder.com/practice/c39cbfbd111a4d92b221acec1c7c1484
select * from employees as p1 where not exists (select * from dept_emp as p2 where p2.emp_no=p1.emp_no);
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