多选题
Examine the data from the EMP table: EMP_ID DEPT_ID COMMISSION 1 10 500 2 20 1000 3 10 4 10 600 5 30 800 6 30 200 7 10 8 20 300 The COMMISSION column shows the monthly commission earned by the employee. Which three tasks would require subqueries or joins in order to perform in a single step? （）
发布日期：2020-04-10
Deleting the records of employees who do not earn commission.
Increasing the commission of employee 3 by the average commission earned in department 20.
Finding the number of employees who do NOT earn commission and are working for department 20.
Inserting into the table a new employee 10 who works for department 20 and earns a commission that is equal to the commission earned by employee 3.
Creating a table called COMMISSION that has the same structure and data as the columns EMP_ID and COMMISSIONS of the EMP table.
Decreasing the commission by 150 for the employees who are working in department 30 and earning a commission of more then 800.
题王网让考试变得更简单
扫码关注题王，更多免费功能准备上线！
此试题出现在
CMS专题
CMS专题
其他考试
交通工程机电系统中，根据接地的性质，接地的类型可以分为（）。
在工程总成本一开始估计不准，可能变化不大的情况下，可采用（ ）合同形式。
设S=｛X1，X2，···，Xn｝是严格递增的有序集，利用二叉树的结点来存储S中的元素，在表示S的二叉搜索树中搜索一个元素X，返回的结果有两种情形： （1）在二叉搜索树的内结点中找到X=Xi，其概率为bi。 （2）在二叉搜索树的叶结点中确定X∈（Xi，Xi+1），其概率为ai。 在表示S的二叉搜索树T中，设存储元素Xi的结点深度为Ci；叶结点（Xi，Xi+1）的结点深度为di，则二叉搜索树T的平均路长p为多少？假设二叉搜索树T[i][j]=｛Xi，Xi+1，···，Xj｝最优值为m[i][j]，W[i][j]= ai-1+bi+···+bj+aj，则m[i][j]（1<=i<=j<=n）递归关系表达式为什么？
同时具有宏观指导协调和具体业务管理职责的是（ ）
进口者不明的，由（）承担退运该固体废物的责任，或者承担该固体废物的处置费用。
JWJXC-480型继电器的反向工作值不大于（）。
男性，50岁。一天来寒战高热39.6℃，咳嗽伴有胸痛，咳痰呈砖红色胶冻状，量多。查体轻发绀，BP80/50mmHg，左肺叩浊，呼吸音低，X片示左肺多发性蜂窝状阴影，该患者最可能的诊断是（）.
陈实功著有( )
咪达唑仑的临床应用中，哪项是错误的（）。
GSM中频点5对应的上下行中心频点为（）
暂无相关推荐~
Examine the data from the EMP table: EMP_ID DEPT_ID COMMISSION 1 10 500 2 20 100...
Examine the data from the EMP table: The COMMISSION column shows the monthly com...
View the Exhibit and examine the structure of the EMP table. You executed the fo...
Examine the statement: Create synonym emp for hr. employees; What happens when y...
Examine the statement:Create synonym emp for hr. employees;What happens when you...
The EMP table has some discrepancy in data entry with a particular employee ID. ...
The EMP table has some discrepancy in data entry with a particular employee ID. ...
You need to base a data block on the EMP table, but you do not want to give the ...
Exhibit： View the Exhibit to see the data in the emp table. You created a PRIMA...
Examine the data in the EMPLOYEES and DEPARTMENTS tables: Also examine the SQL s...