being asked to model. There is a table that lists the entities( tables) that will be needed for the database and related attributes( columns) for each entity. There is also a column that lists specific information about the entity that will be helpful in determining its relationship to other entities within the model.
Be sure to include the minimum and maximum occurrences of each relationship( cardinality) and to supply a name to the relationship that will work in both directions. Make sure to use Crow‘ s Feet notation in your ERD.
Narrative / Case Study
The University Medical Center is a small, community hospital. A new hospital administrator has recently been hired by the Board of Directors, and directed to right-size patient care and pharmacy services and improve profitability. The hospital operates three clinical facilities: the main hospital, a mid-town clinic, and an Urgent Care location. The hospital also offers selected in-home care services. Many of the patients are repeat or regular patients who receive regular treatment for various conditions, and many utilize the hospital‘ s pharmacy services for prescription medications.
The pharmacy dispenses about 3,000 different prescription medications of various kinds. Every prescription is associated with one patient, and is logged by the dispensing clinic. The new administrator wants to know which drugs are most prescribed, and also which are the most profitable.
The following is some general information about the organization and its current processes.
• The hospital operates three clinical facilities.