exp_024.htm

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<p><b><span style="font-size:22pt">Explaination 024: &nbsp;</span></b></p>

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	Lexical substitution variables can be used to replace values in the WHERE clause. <br>
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	  Incorrect Answers <br>
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	<p>
	  B: There is no replacement variables SQL*Plus feature in Oracle. <br>
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	  C: There is no prompt variables SQL*Plus feature in Oracle. <br>
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	  D: There is no instead-of variables SQL*Plus feature in Oracle. <br>
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	  E: This feature is implemented in the SQL*Plus with lexical substitution variables. <br>
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	  OCP Introduction to Oracle 9i: SQL Exam Guide, Jason Couchman, p. 165-173 <br>
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	<p>
	  Chapter 4: Subqueries
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