Multiple Choice
Which of the following is TRUE of entities?
A) Entities have an identifier whose value is associated with every entity in the data model.
B) Entities can only represent a logical construct or transaction, not a physical object.
C) The characteristics of entities are described by attributes.
D) The names of entities are always plural.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: An identifier is an attribute whose value
Q2: The data integrity problem can occur only
Q4: The notation N:N is used to indicate
Q5: Normalization is a database design concept that
Q6: Entities have relationships with each other.
Q7: While representing the relationship between two entities
Q8: A data model is a logical representation
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Q10: In an entity-relationship diagram, a vertical bar
Q11: A data model does not depict the