📄 que_053.htm
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<title>Ocp test </title>
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<b>QUESTION 053 </b>
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<p>The CUSTOMERS table has these columns:</p><table border="1" bordercolor="gray">
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<p><b>The CUSTOMERS table </b></p>
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<p><b>CUSTOMER_ID NUMBER(4) NOT NULL </b></p>
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<p><b>CUSTOMER_NAME VARCHAR2(100) NOT NULL </b></p>
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<p><b>STREET_ADDRESS VARCHAR2(150) </b></p>
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<p><b>CITY_ADDRESS VARCHAR2(50) </b></p>
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<p><b>STATE_ADDRESS VARCHAR2(50) </b></p>
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<p><b>PROVINCE_ADDRESS VARCHAR2(50) </b></p>
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<p><b>COUNTRY_ADDRESS VARCHAR2(50) </b></p>
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<p><b>POSTAL_CODE VARCHAR2(12) </b></p>
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<p><b>CUSTOMER_PHONE VARCHAR2(20) </b></p>
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<p>Which statement finds the rows in the CUSTOMERS table that do not have a postal code? </p><table border="1" bordercolor="gray" width="665">
<form name="youAnsForm">
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<p><b><input type="radio" name="AN" value="A"> A.</b></p>
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<p> SELECT customer_id, customer_name <br>
FROM customers <br>
WHERE postal_code CONTAINS NULL;
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<p><b><input type="radio" name="AN" value="B"> B.</b></p>
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<p> SELECT customer_id, customer_name <br>
FROM customers <br>
WHERE postal_code = '________';
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<p><b><input type="radio" name="AN" value="C"> C.</b></p>
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<p> SELECT customer_id, customer_name <br>
FROM customers <br>
WHERE postal_code IS NULL;
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<p><b><input type="radio" name="AN" value="D"> D.</b></p>
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<p> SELECT customer_id, customer_name <br>
FROM customers <br>
WHERE postal code IS NVL;
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<p><b><input type="radio" name="AN" value="E"> E.</b></p>
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<p> SELECT customer_id, customer_name <br>
FROM customers <br>
WHERE postal_code = NULL;</b></p>
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</span>
</form>
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