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Posts: 122
2 months 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"
Source  Download
Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
Authors:
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2 months ago
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A minimum cardinality of "required"
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wrote...
2 months ago
Thank you, thank you, thank you!
wrote...
2 months ago
You're welcome
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