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:

Excise Tax

An excise tax is a tax imposed on the sale of specific goods and services, such as tobacco, alcohol, and gasoline, often levied at the time of purchase.

Demand Curves

Graphical representations showing the relationship between the price of a good and the quantity demanded.

Supply Curves

Supply curves graphically represent the relationship between the price of a good or service and the quantity of it that suppliers are willing to produce and sell.

Equilibrium Quantity

The quantity at which the intentions of buyers and sellers in a particular market match at a particular price such that the quantity demanded and the quantity supplied are equal; the profit-maximizing output of a firm.