Case Study - UniPharma
The UniPharma chain of pharmacies has offered to give you a free lifetime supply of medicine if you
design its database. UniPharma is a small medium enterprise (SME) in terms of company structure
and has four (4) pharmacies in the Auckland region. Being an SME, they would like to keep their
costs down but also to have an efficient solution to manage their back office administration.
Here is some more information to help you out with the case study:
• Patients are identified by a Social Security Number (SSN), and their names, addresses, and
ages must be recorded.
• Doctors are identified by an SSN. For each doctor, the name, speciality, and years of
experience must be recorded.
• Each pharmaceutical company is identified by name and has a phone number.
• For each drug, the trade name and formula must be recorded. Each drug is sold by a given
pharmaceutical company, and the trade name identifies a drug uniquely from among the
products of that company. If a pharmaceutical company is deleted, you need not keep track
of its products any longer.
• Each pharmacy has a name, address, and phone number.
• Every patient has a primary physician. Every doctor has at least one patient.
• Each pharmacy sells several drugs and has a price for each. A drug could be sold at several
pharmacies, and the price could vary from one pharmacy to another.
• Doctors prescribe drugs for patients. A doctor could prescribe one or more drugs for several
patients, and a patient could obtain prescriptions from several doctors. Each prescription
has a date and a quantity associated with it. You can assume that, if a doctor prescribes the
same drug for the same patient more than once, only the last such prescription needs to be
• Pharmaceutical companies have long-term contracts with pharmacies. A pharmaceutical
company can contract with several pharmacies, and a pharmacy can contract with several
pharmaceutical companies. For each contract, you have to store a start date, an end date,
and the text of the contract
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