ER Modeling Assignment Question 1. A company is organized into departments. Each department has a unique name, a unique number, and a particular employee who manages the department. We keep track of the start date when that employee began managing the department. A department may have several locations. A department controls a number of projects, each of which has a unique name, a unique number, and a single location. We store each employee's name, social security number.i address, salary, sex, and birth date. An employee is assigned to one department but may work on several projects, which are not necessarily controlled by the same department. We keep track of the number of hours per week that an employee works on each project. We also keep track of the direct supervisor of each employee. We want to keep track of the dependents of each employee for insurance purposes. We keep each dependent's first name, sex, birth date, and relationship to the employee. Question 2 A company has a number of employees. The attributes of Employee include employee-Id (unique identifier), Name, Address, and birthdates. The company also has several projects. Attributes of project include project_Id (unique identifier), project_Name, and start_Date. Each employee may be assigned to zero or more projects. A project must have at least one employee assigned, and may have any number of employees assigned. An employee’s billing rate may vary by project, and the company wishes to record the applicable billing rate for each employee when assigned to a particular project.
ER Modeling Assignment
Question 1.
A company is organized into departments. Each department has a unique name, a unique number, and a particular employee who manages the department. We keep track of the start date when that employee began managing the department. A department may have several locations.
A department controls a number of projects, each of which has a unique name, a unique number, and a single location.
We store each employee's name, social security number.i address, salary, sex, and birth date. An employee is assigned to one department but may work on several projects, which are not necessarily controlled by the same department. We keep track of the number of hours per week that an employee works on each project. We also keep track of the direct supervisor of each employee.
We want to keep track of the dependents of each employee for insurance purposes. We keep each dependent's first name, sex, birth date, and relationship to the employee.
Question 2
A company has a number of employees. The attributes of Employee include employee-Id (unique identifier), Name, Address, and birthdates. The company also has several projects. Attributes of project include project_Id (unique identifier), project_Name, and start_Date. Each employee may be assigned to zero or more projects. A project must have at least one employee assigned, and may have any number of employees assigned. An employee’s billing rate may vary by project, and the company wishes to record the applicable billing rate for each employee when assigned to a particular project.
Question 3
A
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