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dupoyjohn134 dupoyjohn134
wrote...
Posts: 536
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 CUSTOMER 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
Authors:
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tlastertlaster
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Posts: 402
5 years ago
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dupoyjohn134 Author
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5 years ago
Thank you, thank you, thank you!
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