In a Relational Database, the Three Basic Operations Used to Develop

question 27

Multiple Choice

In a relational database, the three basic operations used to develop useful sets of data are

• A) select, project, and where.
• B) select, join, and where.
• C) select, project, and join.
• D) select, from, and join.

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Definitions:

Human Combustion

A supposed phenomenon where a human body allegedly catches fire and burns as a result of internal chemical reactions, without an external source of ignition.

Percolation

The process of a liquid slowly passing through a filter or porous substance, often used in the context of water movement through soil.

Groundwater

Water stored underground in soil and crevasses, or an aquifer

Evaporation

The process by which a liquid turns into vapor, typically under the effect of heat.