EBK MODERN DATABASE MANAGEMENT,
13th Edition
ISBN: 9780134792279
Author: TOPI
Publisher: YUZU
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Textbook Question
Chapter 3, Problem 3.28PAE
Refer to your answer to Problem and Exercise 3-24 Develop entity clusters for this E-R diagram and redraw the diagram using the entity clusters. Explain why you chose the entity clusters you used.
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Consider the following E/R diagram with isa relationships, noting that attribute b is the key of R. If we use an
E/R-style approach and convert this diagram into relations, which of the following relations will be among the result?
Select one:
Y(a,c,d)
T(a,b,d)
Z(b,c)
S
X(a,b,c,d)
R
b
Problems 1 and 3 on pages 234 - 236 of the course textbook.
You must use Draw.IO or MS Visio to complete this case study.Create an ER diagram
Explain all normalization issues that exist in the ER Diagram.
I want the ER Diagram before normalization and after normalization.
Explain all normalization problems that you corrected between the first and second ER diagram.
Normalize the data in the ER Diagram to 3NF See the video for a demonstration on how to do this: https://www.youtube.com/watch?v=Nq91b4TQ29Q
Create a dependency diagram using the information from your ER diagram. See the video for a demonstration on how to do this: https://www.youtube.com/watch?v=wFOJnRxqrp8
You must label all determinants and dependencies.
Note: You must convert your DrawIO files to .jpg, gif or bmp images before you upload the assignment to Canvas. Copy and paste all diagrams into an MS Word document. Please make sure that you enlarge all diagrams so they can be easily…
Problems 1 and 3 on pages 234 - 236 of the course textbook.
You must use Draw.IO or MS Visio to complete this case study.Create an ER diagram
Explain all normalization issues that exist in the ER Diagram.
I want the ER Diagram before normalization and after normalization.
Explain all normalization problems that you corrected between the first and second ER diagram.
Normalize the data in the ER Diagram to 3NF See the video for a demonstration on how to do this: https://www.youtube.com/watch?v=Nq91b4TQ29Q
Create a dependency diagram using the information from your ER diagram. See the video for a demonstration on how to do this: https://www.youtube.com/watch?v=wFOJnRxqrp8
You must label all determinants and dependencies.
Note: You must convert your DrawIO files to .jpg, gif or bmp images before you upload the assignment to Canvas. Copy and paste all diagrams into an MS Word document. Please make sure that you enlarge all diagrams so they can be easily…
Chapter 3 Solutions
EBK MODERN DATABASE MANAGEMENT,
Ch. 3 - Define each of the following terms: supertype...Ch. 3 - Match the following terms and definitions:...Ch. 3 - Contrast the following terms: supertype; subtype...Ch. 3 - State two conditions that indicate when a database...Ch. 3 - Prob. 3.5RQCh. 3 - Give an example (other than those discussed in the...Ch. 3 - What is the attribute inheritance? Why is it...Ch. 3 - Give an example of each of the following: a...Ch. 3 - What types of business rules are normally captured...Ch. 3 - What is the purpose of a subtype discriminator?
Ch. 3 - Prob. 3.11RQCh. 3 - In what ways is starting a data modeling project...Ch. 3 - Prob. 3.13RQCh. 3 - Prob. 3.14RQCh. 3 - What do you purchase when you acquire a packaged...Ch. 3 - In Figure 3-5b, why must the minimum cardinality...Ch. 3 - When is a member of a supertype always a member of...Ch. 3 - Examine the hierarchy for the university EER...Ch. 3 - Add a subtype discriminator for each of the...Ch. 3 - For simplicity, subtype discriminators were left...Ch. 3 - Refer to the employee EER diagram in Figure 3-2....Ch. 3 - Refer to the EER diagram for patients in Figure...Ch. 3 - Figure 3-13 shows the development Of entity...Ch. 3 - Refer to Problem and Exercise 2-44 in Chapter 2...Ch. 3 - For a library, the entity type HOLDING has four...Ch. 3 - A bank has three types of accounts: checking,...Ch. 3 - Refer to your answer to Problem and Exercise 2-4...Ch. 3 - Refer to your answer to Problem and Exercise 3-24...Ch. 3 - Prob. 3.29PAECh. 3 - Draw an EER diagram for the following situation:...Ch. 3 - Develop an EER model for the following situation,...Ch. 3 - Prob. 3.32PAECh. 3 - Prob. 3.33PAECh. 3 - Prob. 3.34PAECh. 3 - Based on the EER diagram constructed for Problem...Ch. 3 - Prob. 3.36PAECh. 3 - Prob. 3.37PAECh. 3 - Add the following to Figure 3-16: An EMPLOYMENT...
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- Describe how the composite attribute of an E-R diagram is transformed into relationsarrow_forwardDescribe how the relationship (1:M) of an E-R diagram is transformed into relationsarrow_forwardIn your group, you will need to create an entity relation (E-R) diagram using the Crow's foot symbols that models the problem. This will include: Summarise the ERM's components, and names the entities and their relationship (As given in the Textbook, p.143, Table 4.4) all entities, relationships (including names) and attributes that are relevant, primary keys identified, and include relationship participation - participation (optional / mandatory) symbols and cardinality. The E-R diagram should be completed using the standards of this unit. Use Microsoft Visio to create the E-R diagram.arrow_forward
- Please provide a list and illustrative example for the three forms of binary relationships that are not covered in this book. Draw a regular E-R diagram as well as an IE Crow's Foot E-R diagram for each of the three cases studied here.arrow_forwardExplain entity sets.arrow_forwardDraw this ER Diagram, but note that: Ths diagram should adhere to compressed Chen notation : The ER diagram consists of four entities: Pet, Challenge, User, and Vote. The Pet entity has attributes such as id (primary key), name, species, age, and description to store information about each pet profile. The Challenge entity has attributes such as id (primary key), pet1_id and pet2_id (foreign keys referencing the Pet entity), start_date, end_date, and likes to store information about each challenge between two pets. The User entity has attributes such as id (primary key), name, and email to store information about users who participate in voting and challenge creation. The Vote entity has attributes such as id (primary key), challenge_id (foreign key referencing the Challenge entity), user_id (foreign key referencing the User entity), and vote to store information about user's vote for a particular challenge.arrow_forward
- Give Difference between Entity and entity clusterarrow_forwardCan you please help me in how I can turn the Entity Relationship diagram into a Logical Database Diagram? I know I need to list out all the entities, but I am not sure how to draw the relation. If you would please write it step by step for me so I can practice, that would be much appreciated.arrow_forward13 of 40 Consider the following E/R diagram with isa relationships, noting that attribute a is the key of R. If we use an E/R-style approach and convert this diagram into relations, which of the following relations will be among the result? R d Select one: O ST(a,b,c,d) O s(a,c) O T(a,b,d) O R(a,c,d)arrow_forward
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Enhanced Entity Relationship Model; Author: Data Science Center;https://www.youtube.com/watch?v=ocQUtXPumdQ;License: Standard YouTube License, CC-BY