Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Expert Solution & Answer
Chapter 1, Problem 9MC
Program Description Answer
In an Entity-Relationship (E-R) model, a one-to-many relationship is represented by “a straight line with a crow’s foot at one end”.
Hence, correct answer is option “D”.
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Students have asked these similar questions
Which of the following symbols represents a many-to-many relationship in an E-R model?a. a straight lineb. a dashed linec. a straight line with a crow’s foot at both endsd. a straight line with a crow’s foot at one end
Which of the following is not a type of main UML diagram?
What function do they serve?
Kindly discuss this diagram.
Chapter 1 Solutions
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
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Similar questions
- It's possible to have a main key and a candidate key for the same characteristic.arrow_forwardDraw the shape used in the object-based logical model of the following. a. Attributes b. Entity sets c. Links d. Relationshipsarrow_forwardWith examples, explain the distinctions between is-a relationship and has-a relationship.arrow_forward
- It is important to identify and describe the loT model reference model. Is it possible to write the four tiers of the reference model's connections?arrow_forwardWhat is Concept Map? Explain your answer.arrow_forwardWhich of the following is not an E-R model relationship?a. some-to-manyb. one-to-onec. one-to-manyd. many-to-manyarrow_forward
- Which model works better, descriptive or prescriptive?arrow_forwardWhat are some creative ways to use binary variables in model formulation?arrow_forward1. Create the initial ER diagram for a car dealership. The dealership sells bothnew and used cars, and it operates a service facility. Base your design on thefollowing business rules:a. A salesperson can sell many cars, but each car is sold by onlyonesalesperson.b. A customer can buy many cars, but each car is sold to only onecustomer.c. A salesperson writes a single invoice for each carsold.d. A customer gets an invoice for each car(s) hebuyse. A customer might come in only to have a carserviced; that is, one need not buya car to be classified as a customer.f. When a customer takes in one or more cars for repair or service,one serviceticket is written for each car.g. The car dealership maintains a service history for each car serviced. The servicerecords are referenced by the car’s serialnumber.h. A car brought in for service can be worked on by many mechanics,and eachmechanic can work on many cars.i. A car that is serviced may or may not need parts. (For example, parts are…arrow_forward
- Entity modeling is a top-down approach * that involves entities relationships tables foreign key classes هذا السؤال مطلوبarrow_forwardPlease answer 13-15 explain and show the work of how you got the answer not a graded assignmentarrow_forwardUsing a graphics program, develop an entity-relationship diagram for a database application for an Internet bookstore where students buy textbooks from a salesperson and receive invoices for their purchases. Use Figure 5.5 as a guide.arrow_forward
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