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	<b>QUESTION 018	
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<p>Evaluate the set of SQL statements: 
<br> &nbsp;&nbsp;&nbsp;CREATE TABLE dept 
<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(deptno NUMBER(2), <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dname VARCHAR2(14), 
<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;loc VARCHAR2(13)); <br>
&nbsp;&nbsp;&nbsp;ROLLBACK; 
<br> &nbsp;&nbsp;&nbsp;DESCRIBE DEPT 
<br>What is true about the set? </p><table border="1" bordercolor="gray" width="665">
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			<p><b><input type="radio" name="AN" value="A">  A.</b></p>
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			<p> The DESCRIBE DEPT statement displays the structure of the DEPT table. 
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			<p><b><input type="radio" name="AN" value="B">  B.</b></p>
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			<p>   The ROLLBACK statement frees the storage space occupies by the DEPT table. 
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			<p><b><input type="radio" name="AN" value="C">  C.</b></p>
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			<p>   The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not 
			  exist. 
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			<p><b><input type="radio" name="AN" value="D">  D.</b></p>
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			<p>   The DESCRIBE DEPT statement displays the structure of the DEPT table only if 
			  there is a COMMIT statement introduced before the ROLLBACK statement.</p>
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