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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.
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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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