Write MySQL queries, thanks

QUESTIONS Ameril parts Comider the following relational schema for a HR database: REGIONS Region RegionName) COUNTRIES Country ID, Country Name, RegionID) LOCATIONS(Location ID. Address, City, CountryID) DEPARTMENTS(DepartmentID, DepartmentName, ManagerID, LocationID) EMPLOYEES(EmployeeID. FirstName, LastName, Email, Phone, JobID, Salary, DepartmentID, Manager) JOBS JobID. Job Title, MinimumSalary, MaximumSalary) JOB-HISTORY (EmployeeID. StartDate, EndDate, JobID, DepartmentID) The primary keys are underlined. The foreign keys are in italics. Each region has many countries, while each country has many company) locations. Each location has many departments and each department has many employees working in it. Many employees are managed by each manager in a department. The database also stores information about an employee's job history, Write SQL queries to answer the following: (a) Write a query to get the total salary, maximum, minimum, average salary of employees (job ID wise), for department ID 'DT90' only. (b) Write a query to find the name (first name, last name) of all employees who work in the IT department (c) Write a query to find the name (first_name, last_name) of the employees who are not supervisors. (d) Write a query to find the name (first name, last name), job ID, department ID of the employees who work in London. (e) Write a query to display the job history that were done by any employee who is currently drawing more than 6000 of salary