📄 que_075.htm
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<b>QUESTION 075
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<p>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 </b></p>
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<p><b>EMP_NAME VARCHAR2(30) </b></p>
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<p><b>JOB_ID VARCHAR2(20) DEFAULT 'SA_REP' </b></p>
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<p><b>SAL NUMBER </b></p>
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<p><b>COMM_PCT NUMBER </b></p>
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<p><b>MGR_ID NUMBER </b></p>
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<p><b>DEPARTMENT_ID NUMBER</b></p>
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<p>You need to update the records of employees 103 and 115. The UPDATE statement you specify should update the rows with the values specified below:
<br><br>JOB_ID: Default value specified for this column definition.
<br>SAL: Maximum salary earned for the job ID SA_REP.
<br>COMM_PCT: Default value specified for this commission percentage <br> column, if any.
If no default value is specified for the <br> column, the value should be NULL.
<br>DEPARTMENT_ID: Supplied by the user during run time through <br> substitution variable.
<br>Which UPDATE statement meets the requirements? </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> UPDATE employees <br>
SET job_id = DEFAULT <br>
AND Sal = (SELECT MAX(sal) <br>
FROM employees <br>
WHERE job_id = 'SA_REP') <br>
AND comm_pct = DEFAULT <br>
AND department_id = &did <br>
WHERE employee_id IN (103,115);
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<p><b><input type="radio" name="AN" value="B"> B.</b></p>
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<p> UPDATE employees <br>
SET job_id = DEFAULT <br>
AND Sal = MAX(sal) <br>
AND comm_pct = DEFAULT OR NULL <br>
AND department_id = &did <br>
WHERE employee_id IN (103,115) <br>
AND job_id = 'SA_REP';
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<p><b><input type="radio" name="AN" value="C"> C.</b></p>
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<p> UPDATE employees <br>
SET job_id = DEFAULT, <br>
Sal = (SELECT MAX(sal) <br>
FROM employees <br>
WHERE job_id = 'SA_REP'), <br>
comm_pct = DEFAULT, <br>
department_id = &did <br>
WHERE employee_id IN (103,115);
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<p><b><input type="radio" name="AN" value="D"> D.</b></p>
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<p> UPDATE employees <br>
SET job_id = DEFAULT, <br>
Sal = MAX(sal), <br>
comm_pct = DEFAULT, <br>
department_id = &did <br>
WHERE employee_id IN (103,115) <br>
AND job_id = 'SA_REP';
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<p><b><input type="radio" name="AN" value="E"> E.</b></p>
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<p> UPDATE employees <br>
SET job_id = DEFAULT, <br>
Sal = (SELECT MAX(sal) <br>
FROM employees <br>
WHERE job_id = 'SA_REP') <br>
comm_pct = DEFAULT OR NULL, <br>
department_id = &did <br>
WHERE employee_id IN (103,115);</p>
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