Consider the following information about a patient database: • A patient is identified by patient id, and admission date. • A patient must be either an Emergency patient or a resident patient. • We must record the checkback date for Emergency patient. • Only resident patient is assigned to one room. Room has a unique number, degree, and floor number. • For each room there are a number of beds each of which has a bed number, specification. If a room is deleted, you need not keep track of its beds any longer. • Both emergency patient and resident are cared for by a responsible Doctor. Doctor is identified by Doctor number. For each Doctor, the name, several specialty, and yea
Consider the following information about a patient database: • A patient is identified by patient id, and admission date. • A patient must be either an Emergency patient or a resident patient. • We must record the checkback date for Emergency patient. • Only resident patient is assigned to one room. Room has a unique number, degree, and floor number. • For each room there are a number of beds each of which has a bed number, specification. If a room is deleted, you need not keep track of its beds any longer. • Both emergency patient and resident are cared for by a responsible Doctor. Doctor is identified by Doctor number. For each Doctor, the name, several specialty, and yea
Chapter2: Database Design Fundamentals
Section: Chapter Questions
Problem 11RQ
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Consider the following information about a patient database :
• A patient is identified by patient id, and admission date.
• A patient must be either an Emergency patient or a resident patient.
• We must record the checkback date for Emergency patient.
• Only resident patient is assigned to one room. Room has a unique number, degree, and floor number.
• For each room there are a number of beds each of which has a bed number, specification. If a room is deleted, you need not keep track of its beds any longer.
• Both emergency patient and resident are cared for by a responsible Doctor. Doctor is identified by Doctor number. For each Doctor, the name, several specialty, and years of experience must be recorded.
• Doctors prescribe medicine for patients. Medicine is identified by trade name that has scientific name and formula. The medicine depends on another medicine to be taking before.
• 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 of medicine.
Draw an EER diagram that captures the above information.
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