近两年来，OCP的考试题库频率变化，不断的增加新考题，071考试就是其中一个，给很多考071的考生造成困扰，对此，我们专门整理了OCP考试里关于071考试的原题，并带上答案，分享给大家。
--------------------------------------------
071题库汇总-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
