📄 que_004.htm
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<title>Ocp test </title>
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<b>QUESTION 004
</b></p><hr color="#99CCFF">
<p> Examine the data in the EMPLOYEES table: </p><table border="1" bordercolor="gray">
<tr>
<td align="center" bgcolor="#99CCFF">
<p><b>LAST_NAME</b></p></b>
</td>
<td align="center" bgcolor="#99CCFF">
<p><b>DEPARTMENT_ID</b></p></b>
</td>
<td align="center" bgcolor="#99CCFF">
<p><b>SALARY</b></p></b>
</td>
</tr>
<tr>
<td align="center" bgcolor="white">
<p><b>Getz</b></p></b>
</td>
<td align="center" bgcolor="white">
<p><b>10</b></p></b>
</td>
<td align="center" bgcolor="white">
<p><b>3000</b></p></b>
</td>
</tr>
<tr>
<td align="center" bgcolor="white">
<p><b>Davis</b></p></b>
</td>
<td align="center" bgcolor="white">
<p><b>20</b></p></b>
</td>
<td align="center" bgcolor="white">
<p><b>1500</b></p></b>
</td>
</tr>
<tr>
<td align="center" bgcolor="white">
<p><b>King</b></p></b>
</td>
<td align="center" bgcolor="white">
<p><b>20</b></p></b>
</td>
<td align="center" bgcolor="white">
<p><b>2200</b></p></b>
</td>
</tr>
<tr>
<td align="center" bgcolor="white">
<p><b>Davis</b></p></b>
</td>
<td align="center" bgcolor="white">
<p><b>30</b></p></b>
</td>
<td align="center" bgcolor="white">
<p><b>5000</b></p></b>
</td>
</tr>
</table>
<p> Which three subqueries work? (Choose three) </p>
<table border="1" bordercolor="gray" width="665">
<form name="youAnsForm">
<span style="font-size:18pt;">
<tr>
<td align="center" width="89">
<p><b><input type="checkbox" name="AN" value="A"> A.</b></p>
</td>
<td align="left" width="566">
<p> SELECT * <br>
FROM employees <br>
where salary > (SELECT MIN(salary) <br>
FROM employees <br>
GROUP BY department.id);
</p>
</td>
</tr>
<tr>
<td align="center" width="89">
<p><b><input type="checkbox" name="AN" value="B"> B.</b></p>
</td>
<td align="left" width="566">
<p> SELECT * <br>
FROM employees <br>
WHERE salary = (SELECT AVG(salary) <br>
FROM employees <br>
GROUP BY department_id);
</p>
</td>
</tr>
<tr>
<td align="center" width="89">
<p><b><input type="checkbox" name="AN" value="C"> C.</b></p>
</td>
<td align="left" width="566">
<p> SELECT distinct department_id <br>
FROM employees <br>
Where salary > ANY (SELECT AVG(salary) <br>
FROM employees <br>
GROUP BY department_id);
</p>
</td>
</tr>
<tr>
<td align="center" width="89">
<p><b><input type="checkbox" name="AN" value="D"> D.</b></p>
</td>
<td align="left" width="566">
<p> SELECT department_id <br>
FROM employees <br>
WHERE SALARY > ALL (SELECT AVG(salary) <br>
FROM employees <br>
GROUP BY department_id);
</p>
</td>
</tr>
<tr>
<td align="center" width="89">
<p><b><input type="checkbox" name="AN" value="E"> E.</b></p>
</td>
<td align="left" width="566">
<p> SELECT last_name <br>
FROM employees <br>
Where salary > ANY (SELECT MAX(salary) <br>
FROM employees <br>
GROUP BY department_id);
</p>
</td>
</tr>
<tr>
<td align="center" width="89">
<p><b><input type="checkbox" name="AN" value="F"> F.</b></p>
</td>
<td align="left" width="566">
<p> SELECT department_id <br>
FROM employees <br>
WHERE salary > ALL (SELECT AVG(salary) <br>
FROM employees <br>
GROUP BY AVG(SALARY));</p>
</td>
</tr>
</span>
</form>
</table>
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