EBK USING MIS
10th Edition
ISBN: 8220103633642
Author: KROENKE
Publisher: YUZU
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Chapter AE, Problem AE1.2
Explanation of Solution
a.
- Mention a query as a manager of Denver plant to know the amount of time employees are spending on special project:
To know the amount of time employees are spending on special project can be answered directly by the Denver Sum query which is accurate, relevant and sufficient. The answer to amount of time employees are spending on special project can also be answered by the Plant Sum query for Denver and the other two plants.
- Mention a query as a manager of Reno plant to find the amount of time employees are spending on special projects:
There is not a single query that answers the amount of time employees are spending on special project directly; however, Plant sum query can answer this question. Plant sum query is accurate and sufficient but adds extra information as it calculates the total hours for Denver and Chicago plants also.
- Mention a query to know how much time employees are spending on Quota Computation project:
The total amount of time employees are working on Quota computation project can be calculated using Sorted Query 1. These query lists the total hours worked by employees in quota computation project in Chicago project which can be manually added to find the total hours spend on quota computation project by Chicago plant employees. Here the data is sufficient but needs manipulation to produce relevant result and hence accuracy is questionable. The data is sufficient as there is information in the query that is not really needed.
- Mention a query to find the number of hours worked by employees in the quota computation project in all three plants:
To find the number of hours worked by employees in the quota computation project in all three plants cannot be answered directly by any query...
Explanation of Solution
b.
Mention the conclusion that can be drawn by this exercise:
It can be said that one can create queries to answer questions quickly and easily but queries need to be formulated ...
Explanation of Solution
c.
Mention the advantages and disadvantages of databases as compared to spreadsheet:
- It can be inferred that queries in databases are easy to use and can be constructed to produce specific answers...
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D. S. Malik, Data Structures Using C++, 2nd Edition, 2010
Methods (Ch6) - Review
1. (The MyRoot method) Below is a manual implementation of the Math.sqrt() method in Java.
There are two methods, method #1 which calculates the square root for positive integers, and
method #2, which calculates the square root of positive doubles (also works for integers).
public class SquareRoot {
public static void main(String[] args) {
}
// implement a loop of your choice here
// Method that calculates the square root of integer variables
public static double myRoot(int number) {
double root;
root=number/2;
double root old;
do {
root old root;
root (root_old+number/root_old)/2;
} while (Math.abs(root_old-root)>1.8E-6);
return root;
}
// Method that calculates the square root of double variables
public static double myRoot(double number) {
double root;
root number/2;
double root_old;
do {
root old root;
root (root_old+number/root_old)/2;
while (Math.abs (root_old-root)>1.0E-6);
return root;
}
}
Program-it-Yourself: In the main method, create a program that…
I would like to know the main features about the following 3 key concepts:1. Backup Domain Controller (BDC)2. Access Control List (ACL)3. Dynamic Memory
Chapter AE Solutions
EBK USING MIS
Ch. AE - The spreadsheet in Microsoft Excel file...Ch. AE - Prob. AE1.2Ch. AE - Prob. AE2.1Ch. AE - Prob. AE2.2Ch. AE - Prob. AE3.1Ch. AE - In this exercise, you will learn how to create a...Ch. AE - Prob. AE4.1Ch. AE - Prob. AE4.2Ch. AE - In some cases, users want to use Access and Excel...Ch. AE - Prob. AE5.2
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