An Entity Instance Is an Occurrence of a Particular Entity

Q65: The degree of a relationship is expressed

Q66: An identifier of an entity instance must

Q67: A single relationship class involves only one

Q68: A relationship's maximum cardinality indicates the maximum

Q69: E-R models use an identifying relationship to

Q71: When designing a database,first identify the entities,then

Q72: A binary relationship is a relationship based

Q73: In E-R modeling,entities within an entity class

Q74: Distinguish between entity identifiers and keys.

Q75: In a minimum cardinality,minimums are generally stated