Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Expert Solution & Answer
Chapter 1, Problem 16MC
Program Description Answer
In an Entity-Relationship (E-R) model, a “many-to-many relationship” represents the need for an additional table.
Hence, correct answer is option “D”.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which of the following relationships does not fit the E-R model?
some-to-many b. one-to-one c. one-to-many d. many-to-many a. some-to-many b. one-to-many c. one-to-many d. many-to-many d. many-to
Which of the following defines a relationship in which each occurrence of data in one entity is represented by only one occurrence of data in the other entity?a. one-to-oneb. one-to-manyc. many-to-manyd. none of the above
Which of the following defines a relationship in which each occurrence of data in one entity is represented by multiple occurrences of the data in the other entity?a. one-to-oneb. one-to-manyc. many-to-manyd. none of the above
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
Knowledge Booster
Similar questions
- Which of the following defines a relationship in which data can have multiple occurrences in each entity? one-to-one one-to-many many-to-many none of the abovearrow_forwardWhich of the following symbols represents an optional relationship in an E-R model? a. a straight line b. a dashed line c. a straight line with a crows foot at both ends d. a straight line with a crows foot at one endarrow_forwardThe ______________ model is a simple but highly useful way to organize data into collections of two-dimensional tables called relations.arrow_forward
- Which of the following defines a relationship in which data can have multiple occurrences in each entity?a. one-to-oneb. one-to-manyc. many-to-manyd. none of the abovearrow_forwardWhich of the following symbols represents an optional 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 endarrow_forwardWhich the following question,Subject_Code is a(n) __________ and Subject is a(n) __________? A)entities,attribute B)tuple,entity C)entity,table D)attribute,relationarrow_forward
- WHAT IS THE RELATIONSHIP THIS TABLE ZERO TO MANY OPTIONAL ? ONE TO MANY ? ONE MANDATORY ? ONE TO ONE ? ONE ? ZERO TO ONE ? MANY ? MANY TO MANY ? ONE OPTIONAL TO MANY OPTIONAL ? ONE MANDATORY TO MANY OPTIONAL ? MANY)arrow_forwardWhich of the following data models does not contain the many-to-many relationship between entities? What are the benefits and drawbacks of employing this model?arrow_forwardRead the question carefully and give me right answer with explanation. The many-to-many relationship between two tables is facilitated by adding a foreign key in the table representing the ‘many’ relationship that references the primary key in the table representing the ‘one’ relationship. Group of answer choices True Falsearrow_forward
- Which of the following is not an E-R model relationship?a. some-to-manyb. one-to-onec. one-to-manyd. many-to-manyarrow_forwardWhat is used to indicate a weak relationship in an ERD in Crow’s Foot notation? Dashed line between entities Double rectangular box Solid line between entities Single rectangular boxarrow_forwardWhich of the following is a key part of conceptual design in an entity relationship model? This model resolves the many-to-many relationships to multiple one-to-many relationships. This model adds all of the attributes for each entity. This model converts attributes into columns. This model does not depend on the database management software or the hardware used to implement the model.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Information Systems (MindTap Course...Computer ScienceISBN:9781305971776Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
Principles of Information Systems (MindTap Course...Computer ScienceISBN:9781285867168Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
Principles of Information Systems (MindTap Course...
Computer Science
ISBN:9781305971776
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
Principles of Information Systems (MindTap Course...
Computer Science
ISBN:9781285867168
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning