OCP-1Z0-新051-61题版本-52

QUESTION NO: 52

View the Exhibit and evaluate structures of the SALES, PRODUCTS, and COSTS tables.

OCP-1Z0-新051-61题版本-52_第1张图片

Evaluate the following SQL statements:

OCP-1Z0-新051-61题版本-52_第2张图片

Which statement is true regarding the above compound query?

A. It shows products that have a cost recorded irrespective of sales

B. It shows products that were sold and have a cost recorded

C. It shows products that were sold but have no cost recorded

D. It reduces an error

Answer: C

答案解析:

参考:154:http://blog.csdn.net/rlhua/article/details/12013841

Explanation: 

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