【第23题】OCP认证1Z0-071最新考试题库及答案

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。

--------------------------------------------

071考题解析-第23题、choose the best answer:

You need to display the first names of all customers from the CUSTOMERS table that contain the character 'e' and have the character 'a' in the second last position.

Which query would give the required output?

A) SELECT cust_first_name

FROM customers

WHERE INSTR(cust_first_name, 'e')<>'' AND

SUBSTR(cust_first_name, -2, 1)='a';

B) SELECT cust_first_name

FROM customers

WHERE INSTR(cust_first_name, 'e')<>0 AND

SUBSTR(cust_first_name, -2, 1)='a';

C) SELECT cust_first_name

FROM customers

WHERE INSTR(cust_first_name, 'e')<>0 AND

SUBSTR(cust_first_name, LENGTH(cust_first_name),-2)='a';

D) SELECT cust_first_name

FROM customers

WHERE INSTR(cust_first_name, 'e')IS NOT NULL AND

SUBSTR(cust_first_name, 1,-2)='a';

Answer:B

-----------------------------------------------

OCP解析公开课时间：【每周五晚8点】

OCP解析公开课地址：https://ke.qq.com/course/326223

OCP解析群资料分享：1015267481 验证：ocp

另外，除了OCP公开课，OCM题库直播也同步进行中，OCM最新题库大爆料-【每周四晚8点】，【微信群直播】，可以联系咨询老师进群参与