Which of the following is NOT a basic element of all versions of the E-R model?
A. Entities
B. Attributes
C. Relationships
D. Primary keys
Answer: Option D
This Question Belongs to Database >> Data Modeling With ER Model
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
Join The Discussion