Development of DB Auto Repair Workshops

Offering remote work. It is required to develop DB Auto Repair Workshops.
Minimum list of characteristics:
• Driving license number, name, address and phone number of the owner of the car;
• number, name, address, telephone number and qualification (discharge) of the mechanic;
• number, brand, power, year of release and color of the car;
• number, name, address and telephone number of the repair shop;
• the cost of the outfit for repair, the date of issue of the outfit, the category of works, the planned and real date of completion of the repair.
The same car can be serviced by different auto mechanics and the same auto mechanic can handle multiple cars.
Samples:
• Choose the name of the mechanic who most often works with pre-war cars.
• Select cases when the repair of Mercedes-600 cars was delayed relative to the planned date.
Identify the owners of the vehicles who are always served by the same mechanic. Name the mechanic and his regular client.
For each category of work to determine the mechanic of which category is most often assigned to this category of work

The main thing to work, please indicate how much time you need for this and finances.