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61题、choose the best answer:
View the Exhibit and examine the structure of the CUSTOMERS table.
You want to generate a report showing the last names and credit limits of all customers whose last names start with A, B, or C, and credit limit is below 10,000.
Evaluate the following two queries:
SQL> SELECT cust_last_name, cust_credit_limit FROM customers
WHERE (UPPER(cust_last_name) LIKE 'A%' OR
UPPER(cust_last_name) LIKE 'B%' OR
UPPER(cust_last_name) LIKE 'C%')
AND cust_credit_limit < 10000;
SQL> SELECT cust_last_name, cust_credit_limit FROM customers
WHERE UPPER(cust_last_name) BETWEEN 'A' AND 'C'
AND cust_credit_limit < 10000;
Which statement is true regarding the execution of the above queries?
A) Only the second query gives the correct result.
B) Only the first query gives the correct result.
C) Both execute successfully but do not give the required result.
D) Both execute successfully and give the same result.
Answer：B
(解析：验证结果发现第二 sql 语句不能返回 C 开头的名字，如果改为 BETWEEN 'A' AND 'D'，则查出来的结果与第一个语句一样，而且语句简洁，答案更好。
经过测试发现，如果数据类型是 number 的，则 between 800 and 3000 的结果包含 3000 的值：
SQL> select sal from emp where sal between 800 and 3000;
SAL
---------
800
1600)
1500
950
3000
但是如果是字符型的，则不包含between 'A' AND 'C'后面的 C ：
SQL> select ename from emp where ename between 'A' AND 'C';
ENAME
----------
ALLEN
BLAKE
)
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