In Terms of the Major Functions Performed by a DBMS

question 189

Multiple Choice

In terms of the major functions performed by a DBMS, data enrichment refers to which of the following?

• A) Correcting, standardizing, and verifying the integrity of the data.
• B) Integrating, matching, or linking data from disparate sources.
• C) Enhancing data using information from internal and external data sources.
• D) Checking and controlling data integrity over time.

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Definitions:

Discriminant Analysis

A statistical technique used to classify observations into predefined categories based on several predictor variables.

Multiple Regression

A statistical technique whereby several variables are used to predict one.

Analysis of Variance

A statistical method used to compare the means of three or more samples to understand if at least one of the sample means significantly differs from the others.