When mapping a many-to-many unary relationship into a relation which of the following is true? Options: A . &nbspOne relation is created. B . &nbspTwo relations are created. C . &nbspThree relations are created. D . &nbspFour relations are created.

When mapping a many-to-many unary relationship into a relation which of the foll

Question

When mapping a many-to-many unary relationship into a relation which of the following is true?

Options:

A . One relation is created.

B . Two relations are created.

C . Three relations are created.

D . Four relations are created.

Answer: Option B

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Question 1. If no multivalued attributes exist and no partial dependencies exist in a relation, then the relation is in what normal ....a relation, then the relation is in what normal form?

Question 2. A foreign key is which of the following?....

Question 3. A transitive dependency is which of the following?....

Question 4. When mapping a multivalued attribute into a relation which of the following is true?....

Question 5. A primary key is which of the following?....

Question 6. If no multivalued attributes exist in a relation, then the relation is in what normal form?....

Question 7. When mapping a binary many-to-many relationship into a relation which of the following is true?....

Question 8. The relational model consists of:....

Question 9. A relation has which of the following properties?....

Question 10. When mapping a regular entity into a relation which of the following is true?....

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