【OCP 071】最新OCP 12c題庫考試原題（25題）
最新學訊：近期OCP認證正在報名中，因考試人員較多請盡快報名獲取最近考試時間，報名費用請聯系在線老師，甲骨文官方認證，報名從速！
我要咨詢2018年OCP 11g考試原題解析已經講解30多次課，500多道考試原題，最終達到98%以上的考題覆蓋度及95%以上的考試通過率。
2019年OCP 11g將升級到12c，OCP 12c考試解析免費公開課也已經開始了，歡迎大家收看!
OCP解析公開課時間：【每周五晚8點】
OCP解析公開課地址：http://ke.qq.com/course/326223
OCP解析群資料分享：1015267481 驗證：ocp
另外，除了OCP公開課，OCM題庫直播也同步進行中，OCM最新題庫大爆料-【每周四晚8點】，【微信群直播】，可以聯系咨詢老師進群參與
-------------------------------------------------------
25、(4-11) 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：子查詢用在查詢未知的值。
C 的答案類似于：
SQL> select sal from emp where sal > (select avg(sal) from emp where job='SALESMAN');
D 的答案類似于：
SQL> select count(*) from emp where sal > (select avg(sal) from emp);
)
