Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 2, Problem 1P
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Business rule for given relationship:
- From the given data, note that an AGENT through AGENT_CODE can occur many times in the CUSTOMER table.
- But each CUSTOMER is related to only one AGENT.
- The business rule for the relationship between AGENT and CUSTOMER can be written as follows...
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Write the business rule(s) that govern the relationship between AGENT and CUSTOMER.
Show that you understand the Entity-Relationship Model and how it works.
Give 5 examples on each business rules IN ENTITY RELATIONSHIP DIAGRAM
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. 20RQCh. 2 - Prob. 21RQCh. 2 - Prob. 22RQCh. 2 - Prob. 23RQCh. 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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- Please provide a definition of an entity-relationship model as well as an explanation of how it works.arrow_forwardWrite down the many kinds of attributes in the Entity-Relationship (ER) model.arrow_forwardYou are given an E-R diagram with two entities Orders and Customers. What does the lone between the Customers entity and the Place relationship represent?arrow_forward
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