University:
California State University, Northridge
Course:
COMP 440 | Database Design
Academic year:

2024
Views:

423

Pages:

2
Author:

Riley K.

Create ERD (Problem 5.3) New Attempt Due Oct 11 by 11:59pm Points 10 Submitting a file upload File Types pd 3. Given the following business scenario, create a Crow's Foot ERD using a specialization hierarchy if appropriate. Granite Sales Company keeps information on employees and the departments in which they work. For each department, the department name, internal mailbox number, and office phone extension are kept. A department can have many assigned employees, and each employee is assigned to only one department. Employees can be salaried, hourly, or work on contract. All employees are assigned an employee number, which is kept along with the employee's name and addresa. For hourly employees, hourly wages and target weekly work hours are stored; for example, the company may target 40 hours/week for some employees, 32 for others, and 20 for others. Some salaried employees are salespeople who can earn a commission in addition to their hase salary For all salaried employees, the yearly salary amount is recorded in the system. For salespeople, their commission percentage on sales and commission percentage on profit are stored in the system. Tor example, Jotun is a salesperson with a base salary of 550,000 per year plus a 2 percent commission on the sales price for all sales he makes, plus another 5 percent of the profit on each of those sales For contract employees, the beginning date and end date of their contracts are stored along with the hilling rate for their hours.