Critical Thinking Questions Case 11-2 in Your Database Course, Your

question 91

Multiple Choice

Critical Thinking Questions Case 11-2 In your database course, your instructor has given you a small database that has a lot of invalid data, issuing the challenge to you that you work to apply validation rules to the data and determine what checks need to be applied in order to restore integrity to the data. A quick scan of the data in the First Name field in the database yields the numbers 3 and 7 and an asterisk. What kind of check should you run on this field?

• A) completeness check
• B) alphabetic check
• C) consistency check
• D) check digit

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Definitions:

Accounting Rate of Return

A financial ratio that measures the return on investment from assets, indicating the efficiency of generating profits from its resources.

After-Tax Net Income

The amount of income that remains after all applicable taxes have been subtracted from the total revenue.

Initial Investment

The original sum of money used to start a business venture or investment.

Accounting Rate of Return

A financial ratio that measures the expected profitability of an investment, calculated as the average annual profit divided by the initial investment.