OCP 071中文考试题库(cuug内部资料)第28题

OCP 071中文考试题库(cuug内部资料)第28题

本套题库是OCP考试中的071(中文版)试题，由CUUG整理，如有报考OCP认证意向，可以联系cuug咨询老师。

28、请选择最佳答案。

查看EMPLOYEES表的说明:

Name     Null?     Type

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

EMPLOYEE_ID   NOT NULL     NUMBER(38)

SALARY   NOT NULL     NUMBER(38)

DEPARTMENT_ID   NOT NULL     NUMBER(38)

哪一条语句会将每个员工的SALARY增加其DEPARTMENT_ID的最低SALARY?

A) UPDATE employees e1

SET salary =

(SELECT e2.salary + MIN (e2.salary)

FROM employees e2

WHERE e1.department_id = e2.department_id

GROUP BY e2.department_id) ;

B) UPDATE employees e1

SET salary =

(SELECT e1.salary + MIN (e2.salary)

FROM employees e2

WHERE e1. department_id = e2.department_id) ;

C) UPDATE employees e1

SET salary = salary +

(SELECT MIN(e1.salary)

FROM employees e2

WHERE e1.department_id = e2.department_id) ;

D) UPDATE employees e1

SET salary = salary +

(SELECT MIN(salary)

FROM employees e2) ;