Question: database 4. What is an Entity-Relationship or E-R model ( 5 points)? Explain the importance/advantage of E-R model ( 10 points). Explain by creating an

database

4. What is an Entity-Relationship or E-R model ( 5 points)? Explain the importance/advantage of E-R model ( 10 points). Explain by creating an ER example. ( 5 points)

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 Databases Questions!

database 4. What is an Entity-Relationship or E-R model ( 5 points)? Explain the importance/advantage of E-R model ( 10 points). Explain with an example ( 5 points)

Database 1. Draw an Entity-Relationship diagram(including cardinality ratio and participa- tion constraint) to represent the following application: A DEPARTMENT has a number of TEACHERS and each...

Entity-Relationship Modeling To better manage the pandemic and the emerging viral outbreaks, in addition to pursuing an active vaccination program for the SARS-COV2, monkeypox, polio and influenza...

Part 1. Entity-Relationship modeling A medical lab tests company, Advanced MedLabs, AM, was hired by the Government of Ontario to provide rapid DNA testing for the new coronavirus that threatens to...

economics,, health 1 Guidelines on Assessment 1 This individual assessment for Business Communication will both explore your understanding of cultural frameworks for global communication and nurture...

Chapter 5 INFO. Use the m ore products for this down Pure Ne 2 3 4 5 Routing (Oration S er RABDCFS RBDCAS REFBACDS RFACDS RCADS And then the womentowortive portance Part N u mber Day Wright in d 1...

QUESTIONS WITH CORRECT ANSWERS ONLY Question: Bilibili Inc (BILI) is an internet gaming company in China. Bear Fitchel and his grandson, Bull Fitchel were discussing BILI's stock value. Bear doesn't...

(c) Suppose there is no operation cost of the insurance rm and the loading factor is zero o = 0, show that agents will have zero savings. (d) Under what conditions about o, would agents choose to...

A creative engineer suggests structuring the TLB so that not all the bits of the presented address need match to result in a hit. Suggest how this might be achieved, and what might be the costs and...

the following relational algebra questions based on tables S1 and S2 (below) Question 1 What is the output of S1 S2 ? The row identified by sid 22 The rows identified by sid 31 and 58 The row...

Why do you think the index of consumer expectations is a useful leading indicator of the macroeconomy? A. Leading indicators 1. Average weekly hours of production workers (manufacturing) 2. Initial...

Refer to the information in QS 14-14 for Vodafone Group Plc. The following price quotes (from Yahoo! Finance Bond Center) relate to its bonds payable as of late 2009. For example, the price quote...

Is Marxism still relevant in contemporary GPE? What features of the world that Marx described are still recognizably with us today?

Seved Help 14 Wisconsin Snowmobile Corp. is considering a switch to level production Cost efficiencies would occur under level production, and aftertax costs would decline by $31,500, but inventory...

Holding national saving constant, does an increase in net capital outflow increase, decrease, or have no effect on a countrys accumulation of domestic capital?

An article in USA Today (December 16, 2004) began President Bush said Wednesday that the White House will shore up the sliding dollar by working to cut record budget and trade deficits. a. According...

International trade in each of the following products has increased over time. Suggest some reasons this might be so. a. wheat b. banking services c. computer software d. automobiles