A composite attribute is an attribute that ________.
A) is multivalued
B) describes a characteristic of the relationship
C) consists of a group of attributes
D) is calculated at run-time
Correct Answer:
Verified
Q69: An identifier may be _.
A)composite
B)optional
C)a relationship
D)minimal
Q70: An entity whose existence depends on the
Q71: Minimum cardinality refers to _.
A)the most instances
Q72: A hash mark across the relationship line
Q73: Entities of a given type are grouped
Q75: A circle across the relationship line near
Q76: You are given an E-R diagram with
Q77: Which of the following is not a
Q78: Maximum cardinality refers to _.
A)the most instances
Q79: In a minimum cardinality,minimums are generally stated
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