Question: When mapping a specialization / generalization hierarchy from an ER model to a relational model, which is the best approach is used when subclasses are

When mapping a specialization

/

generalization hierarchy from an ER model to a relational model, which is the best approach is used when subclasses are disjoint and total participation is enforced?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Some questions about database Question 22 1. _______ execution of transactions means that transactions are performed one after another, without any interleaving of operations. A. Scheduled B....

Question 1 2 pts Composite attribute in ER model is represented in relational model as One column for each component attribute and NO column for the composite attribute One column for the composite...

Journal of Change Management Vol. 11, No. 2, 207- 221, June 2011 Organizational Development Goes Digital: Applying Simulation to Organizational Change JOSEPH B. LYONS , JEREMY JORDAN , PAUL FAAS &...

1. Describe the communication process. 2. Understand the importance of feedback in the communication process. 3. Understand various verbal and nonverbal methods of communication. 4. Understand the...

In the relational model, the integrity rules that states that a foreign key must match a value in the home relation or be completely null is: Question 1 options: entity integrity. referential...

Published in Theory and Practice of Clinical Social Work (2nd Edition), J. Brandell, Ed., Columbia University Press, 2010. 20 CLINICAL CASE MANAGEMENT Joel Kanter Over the past 30 years, case...

With an increasing focus on bullying among the public, educators, researchers, and policy makers, there is a need to delineate what we know works in bullying prevention and what areas might benefit...

CH A P TER 3 Learning and Motivation Chapter Learning Outcomes After reading this chapter, you should be able to: NEL define learning and describe learning outcomes describe the three stages of...

N A S TIO I C VE A N T I IZ O E T N R C A TI O PE G CA E S R NI H R T E O U P OR M 2 F OM E R T P C A L C H A L LEARNING OBJECTIVES After studying this chapter, you will be able to answer several...

JOURNAL OF MEDICAL INTERNET RESEARCH van Limburg et al Viewpoint Why Business Modeling is Crucial in the Development of eHealth Technologies Maarten van Limburg , MSc BEng; Julia EWC van...

Determine for the parallel network shown in Figure 32.11 the values of inductance L for which the network is resonant at a frequency of 1 kHz. Determine for the parallel network shown in Figure 32.11...

Menza Company has stockholders equity accounts as follows: Common stock (100,000 shares @ $10 par value). . . . . . . . . . . . . . . . . . . . . . . . $1,000,000 Additional paid-in capital on common...

Purple Feet Wine, Incorporated, receives an average of \ ( \ $ 1 8 , 5 0 0 \ ) in checks per day. The delay in clearing is typically three days. The current interest rate is . 0 1 7 percent per day....

Colt Systems will have EBIT this coming year of $ 23 $23 million. It will also spend $ 9 $9 million on total capital expenditures and increases in net workingcapital, and have $ 5 $5 million in...