Which of the Following Is True About Making Changes to the Database

question 56

Multiple Choice

Which of the following is true about making changes to the database structure?

• A)The DBA need not get input from users on the issue because it is a technical decision.
• B)Formal policies and procedures for requesting a change are not used because they are too limiting.
• C)Documentation of when the change was made,how it was made,and why it was made must be created.
• D)Changes do not produce unexpected results because the DBA will have investigated the change thoroughly before implementing it.
• E)If the database is properly designed,changes should not be necessary throughout the system's lifetime.

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Definitions:

Credit Periods

The timeframe given by a seller to the buyer to pay for the goods or services received, usually measured in days.

Terms Of Sale

The conditions under which a sale is conducted, detailing payment terms, delivery times, warranties, and prices.

Product Perishability

Indicates how quickly a product will lose its value if not sold or consumed within a short period.

Credit Periods

The duration of time allowed by a seller for a buyer to pay for a product or service after the sale has been made, usually expressed in days.