module 2 review questions 1

Question 1

When you can change the internal model without affecting the conceptual model.

Answer 1

logical independence

Question 2

Changes in physical model do not affect internal model

Answer 2

physical independence

Question 3

a brief, precise, and unambiguous description of a policy, procedure, or principle within a specific organization’s environment.

Answer 3

business rule

Question 4

refers to the exponential growth in the volume, variety, and velocity of data being generated by our digital world.

Answer 4

Big Data phenomenon

Question 5

characterized by their ability to handle large volumes of structured, semi-structured, and unstructured data, their scalability, and their flexibility in terms of schema design.

Answer 5

NoSQL databases