1. In the hierarchical data model, the mapping from parent to child is:
a. 1:1 (one-to-one).
b. 1:N (one-to-many).
c. N:N (many-to-many).
d. N:1 (many-to-one).

2. Advantages of relational data models generally include:
a. Reduced information redundancy.
b. Low cost.
c. Ease of implementation.
d. Efficiency.

3. A class in a relational database model is defined as:
a. The sum of a whole.
b. Characteristics or properties of a table.
c. Person, place, thing, transaction, or event about which information is stored.
d. Being or existence, especially when considered as distinct, independent, or self-contained.

4. Which statement about enterprise systems is correct?
a. Most enterprise systems are designed mainly for accounting and finance functions.
b. SAP, Oracle, and Microsoft all offer products for enterprise systems.
c. Most enterprise systems are designed for the service industry.
d. Small companies do not use enterprise systems at all.

5. Refer to Figure 4.2; if Steve’s Stylin’ Sunglasses accepts installments without requiring a down payment, the multiplicities between Sales and Cash Receipts should be changed to:
a. Sales (0..1) - (1..*) Cash Receipts.
b. Sales (1..1) - (0..*) Cash Receipts.
c. Sales (1..1) - (1..1) Cash Receipts.
d. Sales (0..*) - (1..1) Cash Receipts.
e. None of the above is correct.

6. The FROM clause to the SELECT statement used in SQL indicates:
a. The name of the table(s) from which to retrieve data.
b. The name of the column(s) from which to retrieve data.
c. The name of the database(s) from which to retrieve data.
d. The name of the query from which to retrieve data.

7. The WHERE clause to the SELECT statement used in SQL states the criteria that must be met:
a. To run a query.
b. To be included as an attribute in the table.
c. To be included in the database.
d. To be shown in the query result.

8. The “ORDER BY Amount ASC” clause to the SELECT statement used in SQL suggests that:
a. The amount of the query result will be listed in ascending order.
b. The amount of the query result will be listed in descending order.
c. The data attribute ASC be shown in order.
d. None of the above.

9. SAP modules available for implementation include:
a. Payroll, Personnel Time Management, and Enterprise Management.
b. Payroll, Financial Accounting, and Enterprise Management.
c. Financial Accounting, Payroll, and Sales and Distribution.
d. Sales and Distribution, Financial Accounting, and Procurement.

10. Cloud computing:
a. Takes energy from the sun and clouds.
b. Is Internet-based computing, where shared resources, software, and information are provided to firms on demand.
c. Requires a firm to make an extensive investment in hardware and software to meet firm needs.
d. Can meet computing needs today but is not expected to meet tomorrow’s computing needs.