question 2. creating crows foot erd

All dependents must be associated with one and only one employee. Some employees will not have dependents, while others will have many dependents. 2. Given the following business scenario, create a Crow's Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms. The system assigns each patient a patient ID number. In addition, the patient's name and date of birth are recorded. Some patients are resident patients who spend at least one night in the hospital, and others are outpatients who are treated and released. Resident patients are assigned to a room. Each room is identified by a room number. The system also stores the room type (private or semiprivate) and room fee. Over time, each room will have many patients. Each resident patient will stay in only one room. Every room must have had a patient, and every residt patient must have a room. 3. Given the following business seenario, 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 deparment name, internal thail box number, and omice phone extension are kept. A deparzment can have many assigned employees, and each employere is assigned to othy one departunent. Employees can be salarind, hourly, ar work oft contract, All