When Two Fields Are Needed to Uniquely Identify a Record,use

question 79

True/False

When two fields are needed to uniquely identify a record,use a composite key.

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Definitions:

Discrete Probability Distribution

A discrete probability distribution outlines the probabilities of outcomes for discrete random variables, where outcomes are countable.

Discrete Probability Distribution

A probability distribution characterized by a set of discrete outcomes or values with corresponding probabilities.

Expected Number

The average value or mean of a random variable; it is the long-run average outcome of a random event repeated many times.

False Negative

A false negative occurs when a test incorrectly indicates that a particular condition or attribute is absent.