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<title>Ocp test </title>
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<b>QUESTION 027
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<p>Examine the SQL statements that creates ORDERS table:</p><table border="1" bordercolor="gray">
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<p><b>Order talbe</b></p>
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<p><b>CREATE TABLE orders<br> (SER_NO NUMBER UNIQUE, <br>
ORDER_ID NUMBER, <br> ORDER_DATE DATE NOT NULL,<br>
STATUS VARCHARD2(10) CHECK <br> (status IN ('CREDIT','CASH')), <br>
PROD_ID NUMBER REFERENCES PRODUCTS(PRODUCT_ID),<br>
ORD_TOTAL NUMBER, <br> PRIMARY KEY (order_id, order_date)); </b></p>
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<p>For which columns would an index be automatically created when you execute the above
SQL statement? (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> SER_NO
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<p><b><input type="checkbox" name="AN" value="B"> B.</b></p>
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<p> ORDER_ID
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<p><b><input type="checkbox" name="AN" value="C"> C.</b></p>
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<p> STATUS
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<p><b><input type="checkbox" name="AN" value="D"> D.</b></p>
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<p> PROD_ID
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<p><b><input type="checkbox" name="AN" value="E"> E.</b></p>
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<p> ORD_TOTAL
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<p><b><input type="checkbox" name="AN" value="F"> F.</b></p>
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<p> Composite index on ORDER_ID and ORDER_DATE</p>
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