exp_178.htm

来自「oracle　DBA的资料」· HTM 代码 · 共 46 行

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<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<title>Ocp test </title>
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<body bgcolor="white" text="black" link="blue" vlink="purple" alink="red">
<p><b><span style="font-size:22pt">Explaination 178: &nbsp;</span></b></p>

<span style="font-size:18pt">
	<p>
	The only SQL*Plus command in this list : DESCRIBE. It cannot be used as SQL command. This command returns a description of tablename, including all columns in that table, the datatype for each column and an indication of whether the column permits storage of NULL values. <br>
	</p>

	<p>
	  Incorrect answer: <br>
	</p>

	<p>
	  A INSERT is not a SQL*PLUS command <br>
	</p>

	<p>
	  B UPDATE is not a SQL*PLUS command <br>
	</p>

	<p>
	  C SELECT is not a SQL*PLUS command <br>
	</p>

	<p>
	  E DELETE is not a SQL*PLUS command <br>
	</p>

	<p>
	  F RENAME is not a SQL*PLUS command <br>
	</p>

	<p>
	  Refer : Introduction to Oracle9i : SQL, Oracle University Study Guide, 7
	</p>

</span>

</body>
</html>

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