The Following Data Are in the Tables Employee (Primary Key

question 46

Multiple Choice

The following data are in the tables Employee (primary key: Empno) and Department (primary key: Deptno) . The questions refer to row numbers of this table. The first row of each table is row #1. Empdeptno in table Employee is a foreign key that refers to Deptno in the table Department. Deptmgr in the table Department is a foreign key that refers to Empno in the table Employee.
$Table~Employee\\\begin{array}{|l|l|l|l|l|}\hline \text { Empno } & \text { Empname } & \text { Empdeptro } & \text { Empsalary } & \text { Emptitle } \\\hline 555 & \text { Keamy } & 200 & 7000 & \text { manager } \\\hline 666 & \text { Williams } & 100 & 8000 & \text { manager } \\\hline 777 & \text { Haberle } & 200 & 5000 & \text { clerk } \\\hline 888 & \text { Haberle } & 200 & 5000 & \text { clerk } \\\hline & \text { Johnson } & 300 & 4000 & \text { analyst } \\\hline 889 & \text { Dupont } & 400 & & \\\hline & \text { McCabe } & 400 & 6000 & \text { programmer } \\\hline 999 & \text { Lopez } & & 9000 & \text { manager } \\\hline\end{array}$

$Table~Department\\\begin{array}{|l|l|l|l|}\hline \text { Deptno } & \text { Deptname } & \text { Deptcity } & \text { Deptmgr } \\\hline 100 & \text { Logistics } & \text { Wichita } & 666 \\\hline 200 & \text { Finance } & \text { Boise } & 555 \\\hline 300 & \text { Marketing } & \text { Pierre } & 666 \\\hline\end{array}$
-Which of the following statements is true?

• A) Row #6 of table Employee violates neither the entity integrity rule nor the referential integrity rule.
• B) Row #6 of table Employee violates the entity integrity rule.
• C) Row #6 of table Employee violates the referential integrity rule.
• D) Row #6 of table Employee violates both the entity integrity rule and the referential integrity rule.

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Central Bank

The principal monetary authority of a country, responsible for regulating the money supply, issuing currency, and managing interest rates to achieve economic objectives.

Inflation

The rate at which the standard pricing for all goods and services moves upward, reducing the leverage of consumers to buy.

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Raw materials or primary agricultural products that are traded on a global scale, which can include oil, gold, wheat, and coffee.

Price Level

The current mean value of prices for every good and service available in the economy.