exp_106.htm

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<p><b><span style="font-size:22pt">Explaination 106: &nbsp;</span></b></p>

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	<p>
	It is important to understand that an implicit COMMIT occurs on the database when a user exits SQL*Plus or issues a data-definition language (DDL) command such as a CREATE TABLE statement, used to create a database object, or an ALTER TABLE statement, used to alter a database object. Also after the ROLLBACK command is issued, a new transaction is started implicitly by the database session. <br>
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	<p>
	  Incorrect Answers <br>
	</p>

	<p>
	  A: The DELETE command is data-manipulation language (DML) command and it does not complete a transaction. <br>
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	<p>
	  B: The DESCRIBE command is internal SQL*Plus command and it has nothing to do with completion a transaction. <br>
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	<p>
	  D: The GRANT command is data-control language (DCL) command to control user access to data. It will not complete a transaction. <br>
	</p>

	<p>
	  F: SELECT command is used to retrieve data. It does not complete a transaction. <br>
	</p>

	<p>
	  OCP Introduction to Oracle 9i: SQL Exam Guide, Jason Couchman, p. 281-282 <br>
	</p>

	<p>
	  Chapter 3: Advanced Data Selection in Oracle
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