【OCP 071】最新OCP 12c题库考试原题（27题）

文章来源：更新时间:2019/2/21 9:38:23

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27、(4-21) 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)