You are given an E-R diagram with two entities,ORDER and CUSTOMER,as shown above.What does the symbol next to the ORDER 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"
E)None of the above.

Question

Quizplus · Accepted Answer

The Answer of You are given an E-R diagram with two entities,ORDER and CUSTOMER,as shown above.What does the symbol next to the ORDER 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"
E)None of the above.

You Are Given an E-R Diagram with Two Entities,ORDER and CUSTOMER,as