A Database Schema Is Used to ________

question 17

Multiple Choice

A database schema is used to ________.

• A) graphically document the data model
• B) record the details of the fields in a table
• C) create a backup of the database
• D) identify redundant information in the database

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Definitions:

Volcanic Eruption

A volcanic eruption is a process where magma (molten rock) and gas escape from a magma chamber through the crust to the surface, often accompanied by volcanic ash and lava flows.

Ice Sheet

A mass of ice of considerable thickness and more than 50,000 square kilometers in area, forming a nearly continuous cover of ice and snow over a land surface.

Felsic

A term used in geology to describe igneous rocks that are rich in light-colored minerals such as quartz, feldspar, and muscovite.

Pyroclastic Flows

High-density mixtures of hot volcanic ash, pumice, rock fragments, and volcanic gas that move away from the volcano at high speeds during an explosive eruption.