In Order to Reduce the Number of Joins That Must

question 61

Multiple Choice

In order to reduce the number of joins that must be performed in a query and to increase the speed of data access, the data analyst will _____ the physical model.

• A) cluster
• B) denormalize
• C) index
• D) normalize
• E) optimize

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Definitions:

National Effluent Standards

Regulations established to control the discharge of pollutants from point sources into water bodies, ensuring environmental protection.

Clean Water Act

A United States federal law aiming to regulate the discharge of pollutants into the waters of the United States and to quality standards for surface waters.

Wetlands

Areas of land where saturation with water is the dominant factor determining the nature of soil development and the types of plant and animal communities living in the soil and on its surface.

Clean Water Act

A United States federal law that regulates the discharge of pollutants into the nation's surface waters, including lakes, rivers, streams, and coastal areas.