A Bitmap Index Is Useful for Improving Queries on Columns

question 30

True/False

A Bitmap index is useful for improving queries on columns that have low cardinality.​

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Definitions:

Nationalizing Airlines

The process by which a government takes control and ownership of airline companies, often aiming to protect national interests and improve services.

Travel Easier

Refers to the facilitation of travel or making travel less difficult or complex through various means such as technology, infrastructure, or services.

International Safety Accord

An agreement between countries aimed at promoting and ensuring the safety of the environment, workplace, consumers, or public health on a global scale.

Factory Collapse

A catastrophic incident where a manufacturing facility's structure fails, often resulting in injuries, fatalities, and economic loss, highlighting issues of industrial safety and labor conditions.