Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)DEPARTMENT_ID NUMBERSALARY NUMBERWhat is the correct syntax for an inline view? （）A. SELECT a.last_name, a.salary, a.department_id, b.

题目

Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)DEPARTMENT_ID NUMBERSALARY NUMBERWhat is the correct syntax for an inline view? （）

A. SELECT a.last_name, a.salary, a.department_id, b.maxsal FROM employees a, (SELECT department_id, max(salary)maxsal FROM employees GROUP BY department_id) b WHERE a.department_id = b.department_id AND a.salary < b.maxsal;

B. SELECT a.last name, a.salary, a.department_id FROM employees a WHERE a.department_id IN (SELECT department_id FROM employees b GROUP BY department_id having salary = (SELECT max(salary) from employees))

C. SELECT a.last_name, a.salary, a.department_id FROM employees a WHERE a.salary = (SELECT max(salary) FROM employees b WHERE a.department _ id = b.department _ id);

D. SELECT a.last_name, a.salary, a.department_id FROM employees a WHERE (a.department_id, a.salary) IN (SELECT department_id, a.salary) IN (SELECT department_id max(salary) FROM employees b GROUP BY department_id ORDER BY department _ id);

相似考题

1.We will do our best to ( ) shipment to meet your requirements in time.A.expectB.expediteC.exerciseD.examine

2.After __________ (examine) the lady, the doctor suggested that his back was badly hurt in the accident.

3.检查A.expectB.exceptC.excuseD.examine

4.I think the door is locked. But I'll go and ().A、checkB、examine

参考答案和解析
参考答案：A
更多“Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VAR ”相关问题

  • 第1题：

    Nothing in these Rules shall ______ any vessel，or the owner，master or crew thereof，from the consequences of any precaution which may be required by the ordinary practice of seaman，or by the special circumstances of the case．

    A.exonerate

    B.exhaust

    C.exercise

    D.examine


    正确答案：A

  • 第2题：

    如果Number=3，请指出下列语句的真与假。 If Number = 3, point out the truth and false of the following statements. Int（Number * Number) = Number * Number


    错误

  • 第3题：

    用递归函数求解斐波那契序列，在划线处填上正确语句。 int fib（number){ if （__________ || number == 2) return 1; else: return fib（number - 1) + fib（number - 2);

    A．number == 1

    B．number == 0

    C．number == 3

    D．number != 1


    1、循环def fb1f(n):if nreturn 1f1b=1f2b=1i=3while(if3b=f1b+f2bf1b=f2bf2b=f3bi=i+1return f3b2、递归def fb2f(n):if nreturn 1else:return fb2f(n-1)+fb2f(n-2)3、数组def fb3f(n):x=[1,1]i=3while(ix.append(x[-1]+x[-2])i=i+1return x[-1]

  • 第4题：

    He rolled up his trouer leg to exhibit his wounded knee.

    A:spread
    B:open
    C:show
    D:examine

    答案：C
    解析：
    本句意思：他卷起他的裤腿来显露受伤的膝盖。exhibit展示，显示。spread伸开，展开；open打开；show展示，出示；examine检查。

  • 第5题：

    如果Number=3.5，请指出下列表达式的真假。 If Number = 3.5, point out the truth or false of the following expressions. floor（Number * Number) == Number * Number


    错误

  • 第6题：

    24、如果Number=7，下列命题为真。 If Number = 7, point out the truth or false of the following expressions. Sqrt（Number*Number ) == Int（Sqrt（Number*Number))


    错误

相关内容