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。
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071题库汇总-第27题、choose the best answer:
View the Exhibit and examine the structure of the CUSTOMERS table.
Evaluate the following SQL statement:
SQL> SELECT cust_city, COUNT(cust_last_name)
FROM customers
WHERE cust_credit_limit > 1000
GROUP BY cust_city
HAVING AVG(cust_credit_limit) BETWEEN 5000 AND 6000;
Which statement is true regarding the outcome of the above query?
A) It executes successfully.
B) It returns an error because WHERE and HAVING clauses cannot be used in the same SELECT statement.
C) It returns an error because WHERE and HAVING clauses cannot be used to apply conditions on the same column.
D) It returns an error because the BETWEEN operator cannot be used in the HAVING clause.
Answer:A
(验证过)
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