For Any Relation R,if,for Every Valid Instance of A,that Value

question 125

Multiple Choice

For any relation R,if,for every valid instance of A,that value of A uniquely determines the value of B:

• A)then a primary dependency exists in the relation
• B)then A is said to be functionally dependent on B
• C)then B is said to be functionally dependent on A
• D)then A and B are candidate keys for the relation

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Definitions:

Sample Space

The set of all possible outcomes of a statistical experiment.

Internet

The Internet is a global network of computers that facilitates communication and information sharing across the world.

Sample Space

The set of all possible outcomes or results that may occur from a random experiment.

Dallas Cowboys

A professional American football team based in the Dallas–Fort Worth metroplex.