OCP 071 Chinese exam question bank (cuug internal information) question 4

This set of question bank is the 071 (Chinese version) test questions in the OCP exam, organized by CUUG, if you have the intention of applying for OCP certification, you can contact the cuug consultant.

4. Please select three items.

View the description of the Products table:

Name Null? Type

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PRODUCT_ID NOT NULL NUMBER(2)

PRODUCT_NAME VARCHAR2 (10)

UNIT_PRICE NUMBER(3)

SURCHARGE VARCHAR2 (2)

EXPIRY_DATE DATE

DELIVERY_DATE DATE

Which three queries use valid expressions?

A) SELECT product_id, unit_price, unit_price + surcharge FROM products;

B) SELECT product_id, unit_price, 5 "Discount", unit_price + surcharge - discount FROM products;

C) SELECT product_id, (unit_price * 0.15 / (4.75 + 552.25)) FROM products;

D) SELECT product_id, unit_price || 5 "Discount", unit_price + surcharge - discount FROM products;

E) SELECT product_id, expiry_date * 2 FROM products;

F) SELECT product_id, (expiry_date - delivery_date) * 2 FROM products;