In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?
A. One-to-One Relationship
B. One-to-Many Relationship
C. Many-to-Many Relationship
D. Composite Relationship
Answer: Option A
Related Questions on Data Modeling with ER Model
A. Minimum cardinality
B. Maximum cardinality
C. ERD
D. Greater Entity Count (GEC)
A. Weak entity
B. Strong entity
C. ID-dependent entity
D. ID- independent entity
A. parent
B. child
C. instance
D. subtype
Which type of entity represents an actual occurrence of an associated generalized entity?
A. Supertype entity
B. Subtype entity
C. Archetype entity
D. Instance entity
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