Database - Data Modeling with ER Model

Exercise : Data Modeling with ER Model - General Questions
6.
Which of the following indicates the minimum number of entities that must be involved in a relationship?
Minimum cardinality
Maximum cardinality
ERD
Greater Entity Count (GEC)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Which of the following refers to something that can be identified in the users' work environment, something that the users want to track?
Entity
Attribute
Identifier
Relationship
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
In which of the following is a single-entity instance of one type related to many entity instances of another type?
One-to-One Relationship
One-to-Many Relationship
Many-to-Many Relationship
Composite Relationship
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?
Weak entity
Strong entity
ID-dependent entity
ID-independent entity
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity?
Supertype entity
Subtype entity
Archetype entity
Instance entity
Answer: Option
Explanation:
No answer description is available. Let's discuss.