A relation has which of the following properties? Options: A . &nbspEach row is not unique. B . &nbspAttributes can have the same name within a given table. C . &nbspEach relation has a unique name. D . &nbspThe order of the columns is significant.

A relation has which of the following properties?

Question

A relation has which of the following properties?

Options:

A . Each row is not unique.

B . Attributes can have the same name within a given table.

C . Each relation has a unique name.

D . The order of the columns is significant.

Answer: Option C

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Question 1. When mapping a regular entity into a relation which of the following is true?....

Question 2. When mapping a ternary relationship with an associative entity into a relation which of the following is true?....

Question 3. Relations are:....

Question 4. When mapping a supertype/subtype relationship which of the following is true?....

Question 5. An enterprise key is a primary key whose value is unique for a given relation.....

Question 6. A composite attribute does not get mapped into a relation.....

Question 7. A relation is a two-dimensional table.....

Question 8. Weak entities do not get mapped into a relation.....

Question 9. A primary key may be null.....

Question 10. A null value is assigned when no other value applies.....

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