exp_076.htm

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<p><b><span style="font-size:22pt">Explaination 076: &nbsp;</span></b></p>

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	<p>
	You use a CURRVAL pseudo column to look at the current value just generated from a sequence, without affecting the further values to be generated from the sequence. You use a NEXTVAL pseudo column to obtain the next possible value from a sequence by actually retrieving the value from the sequence. <br>
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	<p>
	  Incorrect Answers <br>
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	<p>
	  A: You use a NEXTVAL pseudo column to obtain the next possible value from a sequence by actually retrieving the value from the sequence. <br>
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	  D: You use a CURRVAL pseudo column to look at the current value just generated from a sequence, without affecting the further values to be generated from the sequence. <br>
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	<p>
	  E: This statement is not correct. There is no limitation like that in Oracle. <br>
	</p>

	<p>
	  F: You use CYCLE clause, not REUSE, when creating a sequence to restart the sequence once it generates the maximum value defined for the sequence. <br>
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	<p>
	  OCP Introduction to Oracle 9i: SQL Exam Guide, Jason Couchman, p. 315-322 <br>
	</p>

	<p>
	  Chapter 7: Creating Other Database Objects in Oracle
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