FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Consider the following EER diagram that describes the computer systems at a company. Provide your own attributes and key for each entity type. Supply max

Consider the following EER diagram that describes the computer systems at a company. Provide your own attributes and key for each entity type. Supply max cardinality constraints justifying your choice. Write a complete narrative description of what this EER diagram represents.

 


INSTALLED SOLD WITH SOFTWARE COMPUTER INSTALLED OS OPERATING SYSTEM LAPTOP DESKTOP OPTIONS COMPONENT MEM OPTIONS SUPPORTS ACCESSORY MEMORY VIDEO CARD SOUND CARD KEYBOARD MOUSE MONITOR

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Attributes that can be assigned to each entity are Computer cost systemna... blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Fundamentals of Database Systems

Fundamentals of Database Systems

Authors: Ramez Elmasri, Shamkant Navathe

6th edition

136086209, 978-0136086208

More Books

Students also viewed these Databases questions

Question

★★★★★
Consider the following EER diagram that describes computer systems at a company. Provide your own attributes and key for each entity type. Supply max cardinality constraints justifying your choice....

Answered: 1 week ago

Question

★★★★★
Consider the EER diagram in Figure 4-33. Let's make the following assumptions: There are 12,500,000 customers. These customers have altogether 40,000,000 card accounts. Of these 80 percent are...

Answered: 1 week ago

Question

★★★★★
Consider the EER diagram for Pine Valley Furniture shown in Figure 3-12. Figure 5-9 looks at a portion of that EER diagram. Let's make a few assumptions about the average usage of the system: There...

Answered: 1 week ago

Question

★★★★★
Jaclyn Hargrove is the owner of six Pickwick Restaurants. For the past 10 years, she has always relied on her accountant to analyze her financial statements. Jaclyn feels that if she were able to...

Answered: 1 week ago

Question

★★★★★
What are the key steps in determining a fair value measure?

Answered: 1 week ago

Question

★★★★★
The squared magnitude response of a linear channel, denoted by |H (f)| 2 is shown in Figure. Assume that the gap T = 1 and the noise variance ?2n = 1 for all sub-channels. (a) Derive the formulas for...

Answered: 1 week ago

Question

★★★★★
The MINITAB output given in Table 9.27 resulted from fitting the multiple regression model relating ???? to the explanatory variables N, D, S, U, and R. Assuming that the assumptions of the model are...

Answered: 1 week ago

Question

★★★★★
Chris Gayle, a lawyer, received $72,000 on October 1 to represent a client in real estate negotiations over the next 12 months. 1. Prepare the journal entries required in Gayles records on October 1...

Answered: 1 week ago

Question

★★★★★
can anyone help me with this? Arulyde and comoare Abercromble s, Fitct and The Gse as hidews in thousands): a. Combute the wobling cachal for wach compan sbercamine 1 thessand The Cagt 1 theiand b....

Answered: 1 week ago

Question

★★★★★
Quantify the value that Carter brings to Hope. The purpose of your valuation is to educate the team on figures that will be helpful in developing a bidding strategy. There is a con- sensus that Hope...

Answered: 1 week ago

Question

★★★★★
Brief Exercise 8-1 Ortega Company manufactures computer hard drives. The market for hard drives is very competitive. The current market price for a computer hard drive is $44. Ortega would like a...

Answered: 1 week ago

Question

★★★★★
Over the next decade, Foleo Enterprises Pty Ltd grew exponentially, and whilst the increased demand for their Australian-made phones was welcome, it was unexpected and unplanned. James and Leon tried...

Answered: 1 week ago

Question

★★★★★
Pharoah Company reported the following information in its general ledger at December 31. All sales were on account. At the end of the year, uncollectible accounts were estimated to be 10% of accounts...

Answered: 1 week ago

Question

★★★★★
A jacketed-agitated vessel, fitted with a turbine agitator, is used for heating a water stream from 10C to 54C. The tank diameter D= 0.6 m, height H= 0.6 m, and agitator diameter D = 0.2 m. Saturated...

Answered: 1 week ago

Question

★★★★★
Q2 The following system works to lift a specific load. It transmits the movement from the worm (A, 600rpm) to the worm gear (B, 90 teeth) and then to the small sprocket (C, 40 teeth) attached to it...

Answered: 1 week ago

Question

★★★★★
Digna Co., a subsidiary of Shell Corpo. Began operations at the beginning of 2014. The functional currency of Digna Co. is the Italian lira; the functional currency and reporting currency of Jill...

Answered: 1 week ago

Question

★★★★★
Checkpoint 4.72 C++ Write a statement that uses a conditional expression that determines if the credits variable is less than 0. If the condition is true, assign the value 0 to the credits variable,...

Answered: 1 week ago

Question

★★★★★
The first law of thermodynamics is sometimes whimsically stated as, You cant get something for nothing, and the second law as, You cant even break even. Explain how these statements could be...

Answered: 1 week ago

Question

★★★★★
Consider the EMPLOYEE table's constraint EMPSUPERFK as specified in Figure 4.2 is changed to read as follows: CONSTRAINT EMPSUPERFK FOREIGN KEY (SUPERSSN) REFERNCES EMPLOYEE(SSN) ON DELETE CASCADE ON...

Answered: 1 week ago

Question

★★★★★
Figure 23.6 shows the log corresponding to a particular schedule at the point of a system crash for the four transactions T1, T2, T3, and T4 of Figure 19.4. Suppose that we use the immediate update...

Answered: 1 week ago

Question

★★★★★
Can a nondense (sparse) index be used in the implementation of an aggregate operator? Why or why not?

Answered: 1 week ago

Question

★★★★★
=+c. Given that the selected can had a surface defect,

Answered: 1 week ago

Question

★★★★★
=+For airline #1, flights are late into DC 30% of the time and late into LA 10% of the time. For airline #2, these percentages are 25% and 20%, whereas for airline #3 the percentages are 40% and 25%....

Answered: 1 week ago

Question

★★★★★
=+ During this period, line 1 produced 500 nonconforming cans, line 2 produced 400 such cans, and line 3 was responsible for 600 nonconforming cans. Suppose that one of these 1500 cans is randomly...

Answered: 1 week ago

Previous Question Next Question