The Most Appropriate Tool for Accurately Supporting the Relational Query

question 12

Multiple Choice

The most appropriate tool for accurately supporting the relational query optimizer is the ____.

• A) active data dictionary
• B) operational database
• C) data repository
• D) data catalog
• E) passive data dictionary

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Definitions:

Quartile

A statistical term describing a division of a data set into four defined intervals based upon the values of the data and how they compare to the entire set.

Annual Family Income

The total amount of money earned by all members of a family in one year, from all sources before taxes.

Income Quintile

A statistical measure dividing the population into five equal groups according to their income levels, to analyze economic inequality.

U.S. Bureau of Census

A principal agency of the U.S. Federal Statistical System responsible for collecting and analyzing data related to the population, economy, and society of the United States.