Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 2, Problem 13P
Program Plan Intro
Given data:
The Crow’s Foot ERD for the relationship between STUDENT, PROFESSOR, and CLASS is given below. In the given model, the connectivity’s “1” is represented by a short line segment, and “M” is represented by the three-pronged crow’s foot and the relationship name “advises” and “teaches” is written above the relationship line.
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Describe the relationships (identify the business rules) depicted in the Crow’s Foot ERD shown in Figure P2.13.
Describe the relationships(identify the business rules) depicted in the Crow's Foot ERD shown in Figure P2.13
Draw the relationships,identify the business rules,depicted in the Crow's foot ERD shown in the figure.
Chapter 2 Solutions
Database Systems: Design, Implementation, & Management
Ch. 2 - Prob. 1RQCh. 2 - What is a business rule, and what is its purpose...Ch. 2 - How do you translate business rules into data...Ch. 2 - Prob. 4RQCh. 2 - Explain how the entity relationship (ER) model...Ch. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Prob. 8RQCh. 2 - Prob. 9RQCh. 2 - Prob. 10RQ
Ch. 2 - What is a relationship, and what three types of...Ch. 2 - Give an example of each of the three types of...Ch. 2 - What is a table, and what role does it play in the...Ch. 2 - Prob. 14RQCh. 2 - Prob. 15RQCh. 2 - Prob. 16RQCh. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - Prob. 19RQCh. 2 - Prob. 21RQCh. 2 - Prob. 22RQCh. 2 - Prob. 1PCh. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Using Figure P2.6 as your guide, work Problems 68....Ch. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Typically, a hospital patient receives medications...Ch. 2 - Prob. 10PCh. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - Prob. 17P
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- a. What characteristics do tables that conform to the concept of well-informed relations have? b. Describe a dependency diagram and explain its purpose c. Normalize the relation given below OrderNum OrderDate PartNumber PartName UnitPrice PartQuantity SupplierNumber SupplierName SupllierStreet SupplierCitr SupplierSate SupplierZiparrow_forwardThere are M:1 relationship between Property entity and Owner entity. There are 1:M relationship between Property entity and Services entity. There are 1:M relationship between Address entity and Property entity. There are M:1 relationship between Service entity and Employee entity. Find minimum and maximum cardinality of the following relationsarrow_forwardIdentify each relationship type and write all of the business rules based on below Figurearrow_forward
- You are required to draw a complete Crow's Foot ERD that includes the following entity relationship components based on the below:Identify all the entities and its attributesIdentify all possible relationshipsIdentify the connectivity for each relationshipIdentify the primary key and foreign key for each entityarrow_forwardUsing the writing a business rule PDF, write the business rules relating to the provided png relationshipsarrow_forwardExplain the following terms briefly: attribute, domain, entity, relationship, entity set, relationship set, one-to-many relationship, many-to-many relationship, participation constraint, overlap constraint, covering constraint, weak entity set, aggregation, and role indicator.arrow_forward
- Question 30 Which of the following is the term for the number of entities involved in a relationship? Group of answer choices degree ordinality minimum cardinality class maximum cardinalityarrow_forwardAnswer these questions please. 1-Draw the Relational Schema for the relationship(s) between STORE and REGION. 2-Draw the Relational Schema for the relationship(s) between EMPLOYEE and STORE 3-Draw the Full Entity Relationship diagram showing the relationships among EMPLOYEE, STORE, and REGIONarrow_forwardHow is a relationship between entities indicated in an ERD? Give an example using the Crow’s Foot notation.arrow_forward
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