EBK ORACLE 12C: SQL
3rd Edition
ISBN: 9781305465305
Author: CASTEEL
Publisher: YUZU
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Expert Solution & Answer
Chapter 1, Problem 4RQ
Explanation of Solution
One-to-Many relationship (1:N):
Entity instance of one entity associated to many other entity instances is referred as one-to-many relationship.
- An entity instance is an occurrence of a particular entity.
Example:
The following example demonstrates a one-to-many relationship between manager entity and employee entity.
- A manager manages many employees in an organization...
Expert Solution & Answer
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Define the concept of a one-to-many relationship.
What distinguishes a one-to-one relationship from a one-to-many relationship?
Give an example of one to one and one to many relationship?
Chapter 1 Solutions
EBK ORACLE 12C: SQL
Ch. 1 - Prob. 1RQCh. 1 - Prob. 2RQCh. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - Discuss the problems that can be caused by data...Ch. 1 - Explain the role of a primary key.Ch. 1 - Prob. 7RQCh. 1 - Prob. 8RQCh. 1 - What type of relationship can’t be stored in a...Ch. 1 - Identify at least three reasons an organization...
Ch. 1 - Prob. 1MCCh. 1 - Prob. 2MCCh. 1 - Prob. 3MCCh. 1 - Prob. 4MCCh. 1 - Prob. 5MCCh. 1 - Prob. 6MCCh. 1 - Prob. 7MCCh. 1 - Which of the following has no partial or...Ch. 1 - Prob. 9MCCh. 1 - Which of the following has no partial dependencies...Ch. 1 - Which of the following has no repeating groups but...Ch. 1 - Prob. 12MCCh. 1 - Prob. 13MCCh. 1 - A unique identifier for a data row that consists...Ch. 1 - Which of the following symbols represents an...Ch. 1 - Prob. 16MCCh. 1 - Which of the following represents a field in a...Ch. 1 - Which of the following defines a relationship in...Ch. 1 - When part of the data in a table depends on a...Ch. 1 - Which of the following is used to join data...Ch. 1 - Which tables and fields would you access to...Ch. 1 - Prob. 2HOACh. 1 - Prob. 3HOACh. 1 - Prob. 4HOACh. 1 - Access path A database table is composed of...Ch. 1 - Prob. 6HOACh. 1 - Prob. 7HOACh. 1 - Prob. 8HOACh. 1 - Prob. 9HOACh. 1 - Prob. 10HOA
Knowledge Booster
Similar questions
- There are a number of potential difficulties that can arise when a relationship is split vertically.arrow_forwardOne-to-many relationships are defined.arrow_forwardFor each of the below relationships, provide an explanation of what it is and a relevant example.One-to-many relationship. Many-to-many relationship. One-to-one relationship.arrow_forward
- When a relationship is divided vertically, a number of potential complications might arise as a consequence.arrow_forwardPlease describe what an entity-relationship model is as well as how it functions.arrow_forwardDescribe what an entity-relationship model is and how it functions in your own words.arrow_forward
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