MYSQL | UNION | NOT IN | ORDER BY
\n# Write your MySQL query statement below\nselect employee_id from \nEmployees where employee_id not in (select employee_id from Salaries)\nunion\nselect emplo
```\n# Write your MySQL query statement below\nselect employee_id from \nEmployees where employee_id not in (select employee_id from Salaries)\nunion\nselect employee_id from\nSalaries where employee_id not in (select employee_id from Employees)\norder by employee_id asc;\n```
['Union Find', 'MySQL']