Click the Exhibit button and examine the data in the EMPLOYEES table.Examine the subquery:

题目

Click the Exhibit button and examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true?()

A.The SELECT statement is syntactically accurate.

B.The SELECT statement does not work because there is no HAVING clause.

C.The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.

D.The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.

参考答案和解析
参考答案:A
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相似问题和答案

第1题:

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


参考答案:being examined

第2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3题:

在属性面板可以设置的Button组件参数有()

A、icon

B、label

C、toggle

D、data


参考答案:A,B,C

第4题:

当用户单击 Button控件时,将触发的事件是button_click


Button

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:

检查

A.expect

B.except

C.excuse

D.examine


正确答案:D

第7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8题:

在窗体1中有按钮Button1,以下那个Click事件处理程序可以关闭该窗体?()

A. 1.Close();

B.this.Close();

C.Button 1.Close();

D.me.Close();


标准答案:B

第9题:

9、Button 控件的 Text 属性决定按钮上的文本值,Click 事件 对应的代码是点击按钮后需要执行的程序代码。()


错误

第10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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