（11）View the Exhibit and examine the structure of the PRODUCTS table. All products have a list price. You issue the following command to display the total price of each product after a discount of 25% and a tax of 15% are applied on it. Freight charges of $100 have to be applied to all the products.

SELECT prod_name, prod_list_price -(prod_list_price*(25/100)) +(prod_list_price -(prod_list_price*(25/100))*(15/100))+100

AS "TOTAL PRICE"

FROM products;

What would be the outcome if all the parenthese s are removed from the above statement?

A. It produces a syntax error.

B. The result remains unchanged.

C. The total price value would be lower than the correct value.

D. The total price value would be higher than the correct value.

答案：（B）

去年括号的结果和原来一样。但原来的计算结果就是错的，因为比实例价格高。

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Oracle Certificate Profession 1Z0-051-11

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