📄 que_011.htm
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<title>Ocp test </title>
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<b>QUESTION 011 </b>
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<p>The EMPLOYEE tables has these columns: </p><table border="1" bordercolor="gray">
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<p><b>The EMPLOYEE tables </b></p>
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<p><b>LAST_NAME VARCHAR2(35) </b></p>
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<p><b>SALARY NUMBER(8,2) </b></p>
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<p><b>COMMISSION_PCT NUMBER(5,2) </b></p>
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<p>You want to display the name and annual salary multiplied by the commission_pct for
all employees. For records that have a NULL commission_pct, a zero must be displayed against the calculated column.
Which SQL statement displays the desired results? </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> SELECT last_name, (salary * 12) * commission_pct <br>
FROM EMPLOYEES;
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<p><b><input type="radio" name="AN" value="B"> B.</b></p>
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<p> SELECT last_name, (salary * 12) * IFNULL(commission_pct, 0) <br>
FROM EMPLOYEES;
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<p><b><input type="radio" name="AN" value="C"> C.</b></p>
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<p> SELECT last_name, (salary * 12) * NVL2(commission_pct, 0) <br>
FROM EMPLOYEES;
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<p><b><input type="radio" name="AN" value="D"> D.</b></p>
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<p> SELECT last_name, (salary * 12) * NVL(commission_pct, 0) <br>
FROM EMPLOYEES</b></p>
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