BIS 245 WEEK 3 CASE STUDY DRAFT DEVRY UNIVERSITY: GRADED A | 100% CORRECT
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Course
BIS 155 (BIS245)
Institution
DEVRY UNIVERSITY
BIS 245 WEEK 3 CASE STUDY DRAFT DEVRY UNIVERSITY: GRADED A | 100% CORRECTBIS 245 WEEK 3 CASE STUDY DRAFT DEVRY UNIVERSITY: GRADED A | 100% CORRECTBIS 245 WEEK 3 CASE STUDY DRAFT DEVRY UNIVERSITY: GRADED A | 100% CORRECT
The primary keys will include, Doctor’s ID, Patients ID, and procedures ID, and Appointment
ID.
Data types for each entity
Patients entity – patients first and last names, name of kin, date of birth, postal address, social
security number, sex, contact number.
Doctor entity – Name of doctor, doctor work ID, specialty.
Appointment entity – Appointment, name of doctor ID, patient ID, Date, Time.
Medical Procedure entity – Medical procedure ID, Order Number, Patient ID, doctor ID,
Entity relationships explained
The patient can have many doctors representing a many to many to one relationship. The doctor
can order several tests representing a one to many relationship. One doctor performs a single
procedure per patient making it a one to one relationship.
The best way to describe the impact on databases in the workplace to that they are used to
run both small and large businesses. They are used to organize information that can be stored just
about anywhere, they also sort this information, so it can be delivered as needed. They can also
be used to track customers their inventory and employees. The customer relationship
management (CRM) is the lifeline for small businesses. The most important part of the CRM is
it, customers. This type of database is responsible for all aspects of the business such as its
accounts, contacts, leads and any opportunities. Because of the way this system is designed it
holds customers records which would include their contact information, date and amount of last
2
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