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【第25题】OCP认证1Z0-071最新考试题库及答案

来源：优技培训时间：

071考试不仅是OCP11g的考试科目，同时也是OCP 12c的考试科目，所以关心071考题的同学有很多，对此我们专门收集整理了近期071考试的原题，并对这些考题进行讲解，希望帮助广大考生顺利通过071考试。

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071考题解析-第25题、choose two:

View the Exhibit and examine the data in the PRODUCT_INFORMATION table.

Which two tasks would require subqueries? (Choose two.)

A) displaying all supplier IDs whose average list price is more than 500

B) displaying the total number of products supplied by supplier 102071 and having product status OBSOLETE

C) displaying all the products whose minimum list prices are more than the average list price of products having the product status orderable

D) displaying the number of products whose list prices are more than the average list price

E) displaying the minimum list price for each product status

Answer：CD

(解析：子查询用在查询未知的值。

C 的答案类似于：

SQL> select sal from emp where sal > (select avg(sal) from emp where job='SALESMAN');

D 的答案类似于：

SQL> select count(*) from emp where sal > (select avg(sal) from emp);

)

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