Use Data Structures — Cumulative exam

Question 9 • Introduction to Information Technology - EL3701

What is an example of a network database?

Answer

a database that stores medical records and needs to accommodate patients who see several doctors and use multiple clinics

a database that contains a retail store’s lists of employees and the managers they report to

a database that organizes a list of customers’ saved online shopping carts using the customers’ ID numbers

a database that stores information for a professional website that keeps users’ photos and resumes

Explanation

A network database supports records with multiple relationships, including many-to-many connections. In choice A, a patient may see several doctors, and each doctor may treat several patients across multiple clinics, which fits this structure. Choice B describes a hierarchy, while C and D do not clearly require interconnected many-to-many relationships.

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