Question

Which of the following are data models?
Select one or more:
a. Conceptual
b. Hierarchical
c. Relational
d. Network

Answer 1

Answer:

b. Hierarchical

c. Relational

d. Network

Explanation:

Answer 2

Option b, c, and d. Hierarchical, Relational, and Network are data models.

• Using data models the data of an organization can be represented visually.
• The data model creates a connection with the business people who have requirements and the technical team who create a response for that requirements.
• The models belonging to the data models are hierarchical, relational, network, and entity-relationship models.
• Here options b, c, and d represent the data models.