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<p><b><span style="font-size:22pt">Explaination 103: </span></b></p>
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To reuse the variable without prompting the user each time you can use && substitution variable. <br>
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Incorrect Answers <br>
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A: This substitution variable will prompt the user each time. <br>
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B: ACCEPT is command, not substitution variable. It used to define more accurate or <br>
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specific prompt or when you want more output to display as the values are defined. <br>
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C: PROMPT is part of the ACCEPT command, it is not a variable. <br>
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OCP Introduction to Oracle 9i: SQL Exam Guide, Jason Couchman, p. 165-173 <br>
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Chapter 4: Subqueries
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