Which of the Following Features Does an Enterprise-Level DBMS Use

question 19

Multiple Choice

Which of the following features does an enterprise-level DBMS use to avoid the costly and time-consuming task of having users redo their work?

• A)encryption
• B)record-level locking
• C)phantom reads
• D)journaling

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Definitions:

Operating Income

Earnings from a company's core business operations, excluding expenses and revenues that are unrelated to the primary activities.

Unit Selling Price

The cost for one unit of a product when it is sold.

Unit Variable Costs

Costs that vary directly with the volume of production or sales, such as materials and labor, on a per-unit basis.

Contribution Margin Ratio

A financial metric that measures the portion of revenue remaining after variable production costs that can contribute to covering fixed costs and generating profit.