Experiencing MIS
8th Edition
ISBN: 9780134792736
Author: KROENKE
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Expert Solution & Answer
Chapter 5, Problem 14CS
Explanation of Solution
Three characteristics of piano:
The three characteristics of piano that are not represented in the table are as foll...
Explanation of Solution
a)
Criteria used to include the additional data:
- Any additional information that is included into the
database system must help the user of the system. - In this case, it is necessary to include the additional infor...
Explanation of Solution
b)
Database model that has been designed:
The database model that is designed is completely based on the dean Model of inventory of pianos. The model is designed in such a way to satisfy Mr. Dean’s current situation precisely.
Difference between the models:
Inventory of pianos | Dean model of inventory of database |
It contains each and every individual characteristics of a piano... |
Explanation of Solution
c)
Influence of answer (b) to (a):
The answer to 5.14b contains that the database have all the essential elements...
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Think about a car dealership that has three locations. Stock number, vehicle identification number, make, model, year, color, and invoice cost are among the data variables that are available. Determine the prospective candidate keys, the probable main key, the likely foreign key, and the potential subsidiary keys. Which keys would be ideal?
8.
List all of the attributes of a movie.
9.
According to the data model, is it required that every entity instance in the PRODUCT table be associated with an entity instance in the CD table? Why, or why not?
10.
Is it possible for a book to appear in the BOOK table without appearing in the PRODUCT table? Why, or why not?
Where do data characteristics and data items stand in relation to one another? How does scope apply to an attribute?
Chapter 5 Solutions
Experiencing MIS
Ch. 5.3 - Prob. 1SWCh. 5.3 - Prob. 2SWCh. 5.3 - Prob. 3SWCh. 5.3 - Prob. 4SWCh. 5 - Prob. 1EGDQCh. 5 - Prob. 2EGDQCh. 5 - Prob. 3EGDQCh. 5 - Prob. 4EGDQCh. 5 - Prob. 5EGDQCh. 5 - Prob. 6EGDQ
Ch. 5 - Prob. 7EGDQCh. 5 - Consider the adage Never ask a question for which...Ch. 5 - Prob. 1ARQCh. 5 - Prob. 2ARQCh. 5 - Prob. 3ARQCh. 5 - Prob. 4ARQCh. 5 - Prob. 5ARQCh. 5 - Prob. 6ARQCh. 5 - Prob. 1UYKCh. 5 - Prob. 2UYKCh. 5 - Prob. 3UYKCh. 5 - Study Figure 5-17 to understand the entities and...Ch. 5 - Working with your team, develop a list of seven...Ch. 5 - Modify the E-R model in Figure 5-17 to include a...Ch. 5 - Discuss the advantages and disadvantages of the...Ch. 5 - Transform the data model in Figure 5-17 into a...Ch. 5 - Prob. 9CECh. 5 - Fill your database with sample data. Because you...Ch. 5 - Prob. 11CECh. 5 - Prob. 12CSCh. 5 - Prob. 13CSCh. 5 - Prob. 14CSCh. 5 - Prob. 15CSCh. 5 - Prob. 16CSCh. 5 - Prob. 17CSCh. 5 - Prob. 18CSCh. 5 - Prob. 19MMLCh. 5 - Prob. 20MLM
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Please answer below questions based on this dimensional model and additional information provided Q1: What is the maximum possible fact data volume in terms of record/row count? Answer: Q3: The m:n ratio from attribute B3 to attribute B4 is changed from 1:3 to 1:1 due to some organizational changes. By how many times the maximum possible fact data volume (by record count) decreases? Answer: Q4: If there is an aggregate fact table at quarter dimension level with other attributes B4, C5 and A3. What is the maximum possible record count of this aggregate table as per the current state mentioned above? Answer:arrow_forwardWhen doing an analysis, how important is it to use data modeling? How can we determine what data will be required for modeling?arrow_forwardYou must present an examination of "Population & Housing in San Diego County." The goal is to look for correlations between the shifting population and residential unit density in the county. How would you go about conducting this inquiry? Please specify which data files are needed and where they might be found (including any relevant references). Which data model will you use to conduct this investigation? (You do not need to finish the analysis but you may examine the data files on the web).arrow_forward
- Consider your data warehouse's possible users. Are you able to categorize users as casual, regular, or power? If this basic categorization approach is insufficient, consider other classification methods for your consumers.arrow_forwardImagine you have to sell the concept of a data warehouse to a group of investors. Choose the one that most accurately characterizes their experience with multidimensional data analysis. How might I best describe the benefits to them?arrow_forwardUsing the ERD diagram above, identify an attribute that might represent a Composite Attribute. Once you identify, explain why this is so. Is this the only attribute? Are there others?arrow_forward
- A company's rules of business are statements that are developed from a thorough explanation of how the organization operates and are stated in an understandable manner. What function do business rules serve in data modeling?arrow_forwardWhy is exploratory data analysis necessary? You may be wondering why we shouldn't simply get straight into the modeling step.arrow_forwardWhat is quantitative method of data collection and analysis? Give two examples.arrow_forward
- Q.Modify the ER diagram given below and add these make corrections if anything is wrong Weak entity Identifying relationship Weak relationship Key attribute Composite attribute Multivalued attribute Derived attribute Relationships: 1. One to One 2. One to Many 3. Many to One 4. Many to Many Skip thoose that are already present U can draw the diagram on paper tooarrow_forwardLet's pretend you're selling the concept of a data warehouse to a prospective clientele. Choose the one that most accurately characterises their experience with multidimensional data analysis. How might I best describe the benefits to them?arrow_forwardWhat is the main role of an ER diagram in data modelling? How many courses each student can have? What is the relationship degree between the entities? Ternary Is there an associative entity, if yes can you name it? What is uniquely identifying the student entity table (Primary Key)?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Fundamentals of Information SystemsComputer ScienceISBN:9781337097536Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
Fundamentals of Information Systems
Computer Science
ISBN:9781337097536
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
Enhanced Entity Relationship Model; Author: Data Science Center;https://www.youtube.com/watch?v=ocQUtXPumdQ;License: Standard YouTube License, CC-BY