Lab 6.1 Self-Review Questions

In order to test your progress, you should be able to answer the following questions.

1)	A CASE construct is a control statement for which of the following? _____ Sequence structure _____ Iteration structure _____ Selection structure
2)	The ELSE clause is required part of a CASE construct. _____ True _____ False
3)	A selector in a CASE statement _____ is evaluated as many times as there are WHEN clauses. _____ is evaluated once per CASE statement. _____ is not evaluated at all.
4)	When all conditions of the searched CASE construct evaluate to NULL _____ Control is passed to the first executable statement after END CASE if there is no ELSE clause present. _____ Control is passed to the first executable statement after END CASE if there is an ELSE clause present. _____ CASE statement causes a syntax error if there is no ELSE clause present.
5)	CASE statements cannot be nested one inside the other _____ False _____ True

Answers appear in Appendix A, Section 6.1 .