For your written assignment: Construct an E-R diagram for a
car-insurance company whose customers own one...
For your written assignment: Construct an E-R diagram for a
car-insurance company whose customers own one or more cars each.
Each car has associated with it zero to any number of recorded
accidents.
Construct an E-R diagram for a hospital with a set of
patients and a set of medical doctors. Associate with each patient
a log of the various tests and examinations conducted. Use your
best judgement to identify the attributes for each of those
entities.
a)
Construct an E-R diagram for a hospital with a set of patients
and a set of medical doctors.
Associate with each patient a log of the various tests and
examinations conducted.
b)
Construct appropriate relation schemas for the E-R diagram. (ex.
customer(name, birth, ID...))
1a. Construct (draw) an E-R diagram representing the
conceptual design of the database. Be sure to identify primary
keys, relationship cardinalities, etc. State any assumptions you
make.
1b. Convert your E-R diagram to the relational schema.
Identify the primary keys of ever relation.
Consider the following application: An electronics vendor
operates both a Web site and a chain of many physical stores.
Examples include Best Buy and Circuit City. To find out more about
this application, think about any experiences...
A car insurance company advertises that customers switching to
their insurance save, on average, $435 on their yearly premiums. A
market researcher at a competing insurance discounter is interested
in showing that this value is an overestimate so he can provide
evidence to government regulators that the company is falsely
advertising their prices. He randomly samples 83 customers who
recently switched to this insurance and finds an average savings of
$399, with a standard deviation of $103.
(a) Are conditions...
a)
Design an E-R diagram for keeping track of the scoring
statistics of your favorite sports team.
You should store the matches played, the scores in each match,
the players in each match, and individual player scoring statistics
for each match.
Summary statistics should be modeled as derived attributes with
an explanation as to how they are computed.
b)
Construct appropriate relation schemas for the E-R diagram (ex.
customer(name, ID, birth))
Assignment 7: Congressional Vote Tracking
Database
Description
Design an Extended E-R schema diagram for keeping track of
information about votes taken in the U.S. House of Representatives
and Senate during the current two-year congressional
session. The database needs to keep track of each U.S.
STATE's Name (e.g. Texas, New York, Pennsylvania, etc.)
and include the Region of the state (whose domain is {North-east,
Midwest, Southeast, West}). Each CONGRESSPERSON
in the House of Representatives is described by his or her Name,
plus the...
For your Written Assignment:
Citing one of the websites you joined in week 1; review an
article which discusses Domain name Service (DNS), and the impact
on Internet operations if DNS is successfully attacked.
Your assignment is to complete a network diagram for a small
company. You will place a number of network elements on the diagram
and label them appropriately. A network diagram is important to
communicate the design features of a network between network
administrators, system administrators, and cyber-security analysts.
It helps to create a shared mental model between these different
technologists, yet each will have their own perspective on what is
important to have documented on the diagram. Please review a...
A car rental company allows its customers to pick up a rental
car at one location and return it to any of its locations.
Currently, two locations (1 and 2) have 16 and 18 surplus cars,
respectively; and four locations (3, 4, 5, and 6) each need 10
additional cars. Because 34 surplus cars are available at locations
1 and 2 combined, and 40 cars are needed at locations 3, 4, 5, and
6 combined, some locations will not receive...
Please choose your own dream car and construct amortization
schedule in excel. I provide the template format for your excel.
You should construct with formula in excel. You can choose your own
loan amount, down payment, maturity (e.g., 5 year, monthly
payment), and interest rate as 6 percent annual rate (i.e., monthly
periodic interest rate is 6/12 = 0.5 percent)