Data Modelling and Design Relationship Practice Questions
The free Data Modelling and Design questions that deal with relationship, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #2
In designing a data model for customer orders, which relationship should be used for linking customers to orders?
Correct answer: A
Explanation
A One-to-Many relationship is appropriate as one customer can place multiple orders.
Question #6
For a library database, how would you model the relationship between books and authors?
Correct answer: C
Explanation
The Many-to-Many relationship is used as one book can have multiple authors, and one author can write multiple books.
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