A Primary Key in a Database Is a ________

question 83

Multiple Choice

A primary key in a database is a ________.

• A) group of rows that identifies a unique table or file
• B) column or group of columns that identifies a unique row in a table
• C) group of fields or columns that represent metadata
• D) group of tables or files formed to identify a unique field or row
• E) group of records that identifies similar attribute

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Definitions:

Unemployment

The condition of being without a job, despite actively seeking work, often measured as a percentage of the labor force.

Income Inequality

Income Inequality describes the extent to which income is distributed unevenly among a population.

China

The world's most populous country, located in East Asia, known for its rich history, significant economic power, and rapid modernization and development in recent decades.

Increasing

A process or trend characterized by a growth or rise in quantity, size, or intensity.