标签:fir body org bsp sqli ble varchar create 部门
1、
无
last_name | first_name | dept_no |
---|---|---|
Facello | Georgi | d001 |
省略 | 省略 | 省略 |
Sluis | Mary | NULL(在sqlite中此处为空,MySQL为NULL) |
select e.last_name,e.first_name,d.dept_no
from employees e left join dept_emp d on e.emp_no=d.emp_no;
5、查找所有员工的last_name和first_name以及对应的编号dept_no
标签:fir body org bsp sqli ble varchar create 部门
原文地址:https://www.cnblogs.com/guoyu1/p/12239658.html