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pagnor pagnor
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7 years ago
Which of the following is the correct technique for representing a M:N relationship using the relational model?
A) An intersection relation is created, and the key of either entity is placed as a key in both the intersection relation and in the other relation.
B) An intersection relation is created with a surrogate key, which is placed in each of the parent entities.
C) An intersection relation is created, and the keys of both parent entities are placed as a composite key in the intersection relation.
D) The key from either relation is placed as a foreign key in the other relation.
E) None of the above
Textbook 
Database Concepts

Database Concepts


Edition: 7th
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ade9jaade9ja
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7 years ago
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pagnor Author
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6 years ago
Grinning Face Thank you! Correct as usual
Genuine Coder
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