Prentice Hall Oracle Plsql By Example 3Rd Edition [Electronic resources] نسخه متنی

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Prentice Hall Oracle Plsql By Example 3Rd Edition [Electronic resources] - نسخه متنی

Benjamin Rosenzweig

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Lab 5.1 Self-Review Questions


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

1)

An IF construct is a control statement for which of the following?

  • _____ Sequence structure

  • _____ Iteration structure

  • _____ Selection structure

  • 2)

    In order for the statements of an IF-THEN construct to be executed, the condition must evaluate to which of the following?

  • _____ TRUE

  • _____ FALSE

  • _____ NULL

  • 3)

    When a condition of the IF-THEN-ELSE construct is evaluated to NULL, control is passed to the first executable statement after END IF.

  • _____ True

  • _____ False

  • 4)

    How many actions can you specify in an IF-THEN-ELSE statement?

  • _____ One

  • _____ Two

  • _____ Four

  • _____ As many as you require

  • 5)

    The IF-THEN-ELSE construct should be used to achieve which of the following?

  • _____ Three mutually exclusive actions

  • _____ Two mutually exclusive actions

  • _____ Two actions that are not mutually exclusive

  • Answers appear in Appendix A,

    Section 5.1 .


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