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 8.3 Self-Review Questions


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

1)

How many times is a numeric FOR loop executed if the value of the lower limit is equal to the value of the upper limit?

  • _____ The loop does not execute at all.

  • _____ The loop executes once.

  • _____ The loop executes an infinite number of times.

  • 2)

    How many times is the numeric FOR loop executed if the value of the lower limit is greater than the value of the upper limit?

  • _____ The loop does not execute at all.

  • _____ The loop executes once.

  • _____ The loop executes an infinite number of times.

  • 3)

    What is the value of the loop counter prior to entering the loop?

  • _____ 0

  • _____ 1

  • _____ Undefined

  • 4)

    What is the value of the loop counter after termination of the loop?

  • _____ Same as upper limit

  • _____ Same as lower limit

  • _____ Undefined

  • 5)

    When the REVERSE option is used, the value of the loop counter is initialized to which of the following?

  • _____ Lower limit

  • _____ Upper limit

  • _____ NULL

  • Answers appear in Appendix A,

    Section 8.3 .


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