EBK MODERN DATABASE MANAGEMENT,
13th Edition
ISBN: 9780134792279
Author: TOPI
Publisher: YUZU
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Chapter 3, Problem 3.22PAE
Refer to the EER diagram for patients in Figure 3-3. Make any assumptions you believe are necessary. Develop sample definitions for each entity type, attribute, and relationship in the diagram.
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Please provide a definition of an entity-relationship model as well as an explanation of how it works.
Write down the various types of characteristics in the Entity-Relationship (ER) model.
Explain the usage of attributes and the generic name for attribute in the relationship model.
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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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
- Give an explanation of the entity-relationship model's operation.arrow_forwardExplain the Entity-Relationship model and how it works.arrow_forwardDRAW AN ER DIAGRAM , Create a many-to-many unary relationship. Include at least one of each type of attribute (composite, multivalued, and derived). Be sure to use an associative entity, no identifier.arrow_forward
- Write down traits in the Entity-Relationship (ER) model.arrow_forwardPlease hand draw the ER diagram with all attributes and entities not this chatgot generated one.arrow_forwardDraw an E-R diagram for a bank. It should include at least customers, checking accounts and loans, and appropriate relationships between them. Note: To keep this to a resonable size, you should limit yourself to at most six entities and at most eight attributes per entity.arrow_forward
- QI/ Draw ER diagram representing entity sets and relationship set described below, also determine the cardinality of the relationship: Entities: Employees(SSN, name, title), Departments (D_ID, name, budget) Relationship: Work_in(since) Note: the attributes of each entity or relationship are between the parenthesis of them.arrow_forwardExplain entity sets.arrow_forwardThe entity type STUDENT has the following attributes: Student Name, Address, Phone, Age, Activity, and No of Years. Activity represents some campus-based student activity, and No of Years represents the number of years the student has engaged in this activity. A given student may engage in more than one activity. Draw an ERD for this situation. What attribute or attributes did you designate as the identifier for the STUDENT entity? Why?arrow_forward
- Give an example of how attributes are used in a relationship model, and what the generic term for an attribute is.arrow_forwardPlease define entity-relationship modeling and describe its operation.arrow_forwardPlease decribe briefley explanation in simple words. Describe how the multiple attribute selection process works.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