Which of the Following Statements Is True of a Hierarchical

question 170

Multiple Choice

Which of the following statements is true of a hierarchical DBMS?

• A) child records can have more than one parent record
• B) parent records can have many child records
• C) the DBMS works well with complex data
• D) all of the above

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Definitions:

Gross Revenue

The total amount of money earned by a company before deducting expenses; a measure of overall sales or turnover.

Population Coefficient of Correlation

A statistical measure that indicates the strength and direction of a linear relationship between two variables within a whole population.

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Competitive entertainment programs on TV where participants play games to win prizes.

Significance Level

A threshold in hypothesis testing that determines the probability of rejecting a true null hypothesis, often denoted as alpha.