Oracle® PL/SQL® Interactive Workbook, Second Edition

Chapter 5 Conditional Control: IF Statements

Lab 5.1 ▪ Self-Review Answers

A1:	Questions Answers Comments 1) C The statements in an IF construct are not executed sequentially. Rather, one group of statements or another will be selected to execute depending on how a test condition is evaluated.
A2:	Questions Answers Comments 2) A Only when the condition evaluates to TRUE, the statement of an IF-THEN construct are executed. When the condition evaluates to FALSE or NULL, the control is passed to the first executable statement after the IF-THEN construct. As a result, its statements are not executed at all.
A3:	Questions Answers Comments 3) B When a condition of the IF-THEN-ELSE construct is evaluated to NULL, the statements specified after ...