que_176.htm

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<title>Ocp test </title>
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	<b>QUESTION 176	</b>
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Examine the structure of the EMPLOYEES table: </p><table border="1" bordercolor="gray">
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			<p><b>EMPLOYEES  table:  </b></p>
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			<p><b>EMPLOYEE_ID  NUMBER  NOT  NULL,  Primary  Key  </b></p>
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			<p><b>EMP_NAME  VARCHAR2(30)  </b></p>
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			<p><b>JOB_ID  NUMBER\  </b></p>
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			<p><b>SAL  NUMBER  </b></p>
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			<p><b>MGR_ID  NUMBER  References  EMPLOYEE_ID  column  </b></p>
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			<p><b>DEPARTMENT_ID  NUMBER  Foreign  key  to  DEPARTMENT_ID  column  of  the  DEPARTMENTS  table  </b></p>
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<p>You created a sequence called EMP_ID_SEQ in order to populate sequential values for the EMPLOYEE_ID column of the EMPLOYEES table. 
Which two statements regarding the EMP_ID_SEQ sequence are true? (Choose two.) </p><table border="1" bordercolor="gray" width="665">
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			<p><b><input type="checkbox" name="AN" value="A">  A.</b></p>
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			<p> You cannot use the EMP_ID_SEQ sequence to populate the JOB_ID column. 
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			<p><b><input type="checkbox" name="AN" value="B">  B.</b></p>
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			<p>   The EMP_ID_SEQ sequence is invalidated when you modify the EMPLOYEE_ID column. 
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			<p><b><input type="checkbox" name="AN" value="C">  C.</b></p>
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			<p>   The EMP_ID_SEQ sequence is not affected by modifications to the EMPLOYEES table. 
			</p>
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			<p><b><input type="checkbox" name="AN" value="D">  D.</b></p>
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			<p>   Any other column of NUMBER data type in your schema can use the EMP_ID_SEQ sequence. 
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			<p><b><input type="checkbox" name="AN" value="E">  E.</b></p>
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			<p>   The EMP_ID_SEQ sequence is dropped automatically when you drop the EMPLOYEES table. 
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			<p><b><input type="checkbox" name="AN" value="F">  F.</b></p>
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			<p>   The EMP_ID_SEQ sequence is dropped automatically when you drop the EMPLOYEE_ID column.</b></p>
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