Q23
A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings.
A.
True
AnswerB.
False
Answer: Option A
Solution
Answer: Option A
Solution:
A supertype is an entity type that has a relationship with one or more subtypes. It contains common attributes that are shared across all the subtypes.
Subtypes inherit these attributes and may have additional attributes of their own.
This structure helps in reducing redundancy and improving clarity in data modeling.
Therefore, the statement is True.