What Is the Term for Reversing Changes to a Database

question 87

Multiple Choice

What is the term for reversing changes to a database?

• A)undo
• B)roll back
• C)delete
• D)backup

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Definitions:

Exponential Distribution

A probability distribution used to model the time between events in a Poisson process, where events occur continuously and independently at a constant average rate.

Parameter

A numerical characteristic that summarizes or describes an aspect of a population in statistics.

Exponentially Distributed

A probability distribution that characterizes the interval between occurrences in a process where events continually and independently happen at a steady average pace.

Probability Density Function

A function that describes the relative likelihood for a continuous random variable to occur at a given point along a range of possible values.