Perry Tells Eamon That Systems That Interact with a Database

question 111

Multiple Choice

Perry tells Eamon that systems that interact with a database management system do not need to know about the underlying data structures used to store the physical data. As a result, a database administrator has the flexibility to change these underlying data structures without modifying the systems that use the data. What is the name of this feature of database management systems?

• A)data scalability
• B)data authorization
• C)data flexibility
• D)data independence

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Definitions:

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including material and labor expenses.

Machine-hours

A measure of the amount of time machines are operated, used in allocating overhead costs.

Direct Labour Cost

The total expense of wages paid to workers directly involved in the manufacturing process or production of goods or services.

Cost of Goods Manufactured

The total production cost of goods completed during a specific period, including labor, material, and overhead costs.