A unique attribute is an attribute whose value is different for each entity instance.
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Q43: Within one entity,each attribute name must be
Q44: ZYX COMPANY
Observe the ER diagram for the
Q45: ZYX COMPANY
Observe the ER diagram for the
Q46: A relationship attribute of a M:N relationship
Q47: ZYX COMPANY
Observe the ER diagram for the
Q49: Maximum cardinality can be optional.
Q50: Entity instances are depicted in ER diagrams.
Q51: ZYX COMPANY
Observe the ER diagram for the
Q52: Minimum cardinality can be many.
Q53: CENTRAL SCHOOL LIBRARY
Observe the ER diagram for
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