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Suedyso Suedyso
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5 years ago



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 maximum cardinality of "zero"

• A maximum cardinality of "one"

• A minimum cardinality of "optional"

• A minimum cardinality of "required"
Textbook 
Database Processing: Fundamentals, Design, and Implementation

Database Processing: Fundamentals, Design, and Implementation


Edition: 15th
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anuja709anuja709
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