In a Database,a ________ Is a Column or Group of Columns

question 70

Multiple Choice

In a database,a ________ is a column or group of columns that identifies a unique row in a table.

• A)record
• B)field
• C)file
• D)key

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Definitions:

Participation

The action of taking part in something or becoming involved in an activity or event.

Operative

An operative is a worker, especially skilled in manual, clerical, or administrative work, often employed within the operations of a business or organization.

Punishment

Discourages a behavior by making an unpleasant consequence contingent on its occurrence.

Reward

A reward is an incentive or benefit given in recognition of someone's effort, achievement, or contribution.