day34 作业
作业: 查看岗位是teacher的员工姓名、年龄 查看岗位是teacher且年龄大于30岁的员工姓名、年龄 查看岗位是teacher且薪资在9000-10000范围内的员工姓名、年龄、薪资 查看岗位描述不为NULL的员工信息 查看岗位是teacher且薪资是10000或9000或30000的员工姓名、年龄、薪资 查看岗位是teacher且薪资不是10000或9000或30000的员工姓名、年龄、薪资 查看岗位是teacher且名字是jin开头的员工姓名、年薪 mysql> select * from homework; +----+------+-----+--------+---------+ | id | name | age | salary | job | +----+------+-----+--------+---------+ | 1 | tbw | 22 | 5000 | winder | | 2 | nick | 28 | 10000 | teacher | | 3 | egon | 35 | 80000 | teacher | | 4 | echo | 12 | 150000 | teacher | | 5 | tank | 25 | 9500 | teacher | | 6 | jinx | 17 | 66666 | teacher | | 7 | crud