You are given an E-R diagram with two entities,ORDER and CUSTOMER,as shown above.What does the symbol next to the CUSTOMER entity indicate?
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
Q60: One example of a database design using
Q61: Attributes may be _.
A)complete
B)optional
C)multivalued
D)required
Q62: You are given an E-R diagram with
Q63: For a relationship to be considered a
Q64: An entity whose identifier includes the identifier
Q66: You are given an E-R diagram with
Q67: You are given an E-R diagram with
Q68: An occurrence of a particular entity is
Q69: An identifier may be _.
A)composite
B)optional
C)a relationship
D)minimal
Q70: An entity whose existence depends on the
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