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Databae Req & ER Mod

Chapter 2 DB Requirements and ER Modeling

QuestionAnswer
Minimum cardinality can be: Optional or mandatory
How many entities are involved in a unary relationship? 1
A multivalued composite attribute can be used to depict which of the following weak entity concepts? Identifying relationship
Which of the following is a possible type of relationship (maximum cardinality-wise)? One-to-one
A multivalued composite attribute can be used to depict which of the following weak entity concepts? Identifying relationship
Which of the following is a possible type of relationship (maximum cardinality-wise)? One-to-one
Created by: Yoha
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