The purpose of a(n) is to simplify an entity-relationship diagram (ERD) and thus enhance its readability.
A) Entity constraint
B) entity cluster
C) entity interface
D) entity discriminator
Correct Answer:
Verified
Q57: keys work with primary keys to properly
Q57: The most important characteristic of an entity
Q58: A occurs when there is one entity
Q58: _ completeness means that every supertype occurrence
Q59: When selecting a foreign key placement for
Q59: Composite primary keys are particularly useful as
Q60: Disjoint subtypes are also known as _
Q64: From a data modeling point of view,
Q65: relationships occur when there are multiple relationship
Q68: While using a surrogate key, one must
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