Modern Database Management
13th Edition
ISBN: 9780134773650
Author: Hoffer
Publisher: PEARSON
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Chapter 3, Problem 3.35PAE
Based on the EER diagram constructed for Problem and Exercise 3-34, develop a sample definition for each entity type, attribute, and relationship in the diagram.
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Creation of Entity Relationship Diagram
Draw the entity relationship diagram (ERD) for this information.
Create an entity relationship diagram based on the following DFD Level 0
1) Add a couple of attributes (including Primary keys) to each entity set.
2) Use Reification to transform it into a diagram with only binary relationships.
Chapter 3 Solutions
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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- Question 3 Please help with a Koltin-based Countdown Timer -Entity Relationship Diagram 1. Entities 2. Attributes 3. Relationships Text typing work onlyarrow_forwarddraw an E-R diagram that indicates the entity sets and their attributes. Identify and label significant relationship sets between pairs of entities, the degree of relationship sets and the cardinality and participation constraints.arrow_forwardQuestion 3 Please help with a Koltin-based Countdown Timer -Entity Relationship Diagram 1. Entities 2. Attributes 3. Relationships Full explain this question and text typing work onlyarrow_forward
- Analyze the given entity relationship diagram and answer the following questions. What is the degree of “has” relationship?arrow_forwardBuild an entity-relationship diagram, deriving relations and validating relations using normalization up to third normal formarrow_forwardThe code below demonstrates an important OOP characteristic. Describe this characteristic, then using a diagram, draw a representation of the relationship with the relevant content in it.arrow_forward
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