Click the Exhibit button and examine the data from the EMP table.The COMMISSION column shows the monthly commission earned by the employee.Which two tasks would require subqueries or joins in order to be performed in a single step? ()A.listing the employe

题目

Click the Exhibit button and examine the data from the EMP table.The COMMISSION column shows the monthly commission earned by the employee.Which two tasks would require subqueries or joins in order to be performed in a single step? ()

A.listing the employees who earn the same amount of commission as employee 3

B.finding the total commission earned by the employees in department 10

C.finding the number of employees who earn a commission that is higher than the average commission of the company

D.listing the departments whose average commission is more than 600

E.listing the employees who do not earn commission and who are working for department 20 in descending order of the employee ID

F.listing the employees whose annual commission is more than 6000


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  • 第1题:

    1.publicclassEmployee{2.Stringname;3.doublebaseSalary;4.Employee(Stringname,doublebaseSalary){5.this.name=name;6.this.baseSalary=baseSalary;7.}8.}And:1.publicclassSalespersonextendsEmployee{2.doublecommission;3.publicSalesperson(Stringname,doublebaseSalary,4.doublecommission){5.//insertcodehere6.}7.}Whichcode,insertedatline7,completestheSalespersonconstructor?()

    A.this.commission=commission;

    B.superb();commission=commission;

    C.this.commission=commission;superb();

    D.super(name,baseSalary);this.commission=commission;

    E.super();this.commission=commission;

    F.this.commission=commission;super(name,baseSalary);


    参考答案:D

  • 第2题:

    10、Button控件的属性ClickMode可以获取Click事件,这里的Click模式有()

    A.经过

    B.悬停

    C.按下

    D.释放


    OnClientClick

  • 第3题:

    当用户单击 Button控件时,将触发的事件是button_click


    Button

  • 第4题:

    Evaluate this SQL statement:SELECT e.employee_id, (.15* e.salary) + (.5 * e.commission_pct) + (s.sales amount * (.35 * e.bonus)) AS CALC_VALUEFROM employees e, sales sWHERE e.employee_id = s.emp_id;What will happen if you remove all the parentheses from the calculation? ()

    A. The value displayed in the CALC_VALUE column will be lower.

    B. The value displayed in the CALC_VALUE column will be higher.

    C. There will be no difference in the value displayed in the CALC_VALUE column.

    D. An error will be reported.


    参考答案:C

  • 第5题:

    Button控件的属性ClickMode可以获取Click事件,这里的Click模式有()

    A.释放

    B.按下

    C.经过

    D.悬停


    悬停;按下;释放

  • 第6题:

    DataBind方法通常在哪个事件中调用?

    A.Page_Load事件

    B.Appalachian_Start事件

    C.Button_Click事件

    D.Label_Click事件


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