A circle across the relationship line near an entity indicates ________.
A) a maximum cardinality of "zero"
B) a maximum cardinality of "one"
C) a minimum cardinality of "optional"
D) a minimum cardinality of "required"
Correct Answer:
Verified
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
Q74: A composite attribute is an attribute that
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
Q80: The characteristics of a thing are described
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