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Heff Heff
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6 years ago
Which of the following is true when representing a 1:1 binary relationship using the relational model?
A) The key of the entity with the highest minimum cardinality must be placed in the other entity as a foreign key.
B) The key of each entity must be placed in the other as a foreign key.
C) The key of either entity is placed in the other as a foreign key.
D) The key of the entity with the most attributes must be placed in the other entity as a foreign key.
E) Both entities must have the same primary key.
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Database Concepts

Database Concepts


Edition: 7th
Authors:
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ade9jaade9ja
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Heff Author
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5 years ago
You've been a big asset to me this semester, can't thank you enough.
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