Question
In: Computer Science
PLEASE ANSWER ASAP 1- The major tool used to draw/construct a logical database design is the...
PLEASE ANSWER ASAP
1- The major tool used to draw/construct a logical database design is the _______________.
2-
The ID field is planned to be the primary key field in the below diagram. No fields are required to be filled/entered.
|
ID |
Equipment Type |
Equipment Number |
Daily Rate |
phone no |
|
1 |
Back Hoe |
10400 |
$750.00 |
diesel powered |
|
1 |
Medium Crane |
335 |
$350.00 |
plus tax |
|
3 |
Back Hoe |
10020 |
$650.00 |
(631) 992-4567 |
|
(516) 429-0800 |
||||
|
3 |
Scaffolding |
|||
|
5 |
Foundation |
335 |
$0.00 |
11/17/1952 |
Give two reasons why the above flat file could not serve as valid database table.
A)
B)
3- Queries that can be written after the database has been designed, populated and in use, that were not originally created during the development of the DB, are called
a) ad hoc
b) SQL
c) transactional
d) user
Solutions
venereology answered 1 year agoRelated Solutions
Database __________ which is the logical design of the database, and the database _______ which is...
Database __________ which is the logical design of the database,
and the database _______ which is a snapshot of the data in the
database at a given instant in time.
a) Instance, Schema
b) Relation, Schema
c) Relation, Domain
d) Schema, Instance
True or False: Logical database design is the process of modifying the physical database design to...
True or False:
Logical database design is the process of modifying the
physical database design to improve performance.
The two major logical database design techniques are conversion
of E-R diagrams to relational tables and data normalization.
Multivalued attributes are not permitted in unnormalized
data.
A many-to-many binary relationship in an E-R diagram requires
the creation of a total of three tables in a relational
database.
A one-to-one unary relationship in an E-R diagram requires the
creation of a total of...
Creating a Database Design Lab 1: Creating a Database Design (Wk 3) - OR - Draw...
Creating a Database Design
Lab 1: Creating a Database Design (Wk 3) - OR - Draw with pencil
and paper diagram (take photo of it and submit) along with a
summary of the diagram you prepared in a Word document.
Use the scenario from Assignment 1: Business Rules and Data
Models to complete the lab:
Suppose a local college has tasked you to develop a database
that will keep track of students and the courses that they have
taken. In...
1a. Construct (draw) an E-R diagram representing the conceptual design of the database. Be sure to...
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...
. NEED ANSWER ASAP / ANSWER NEVER USED BEFORE, COMPLETELY NEW ANSWER PLEASE Is it always...
.
NEED ANSWER ASAP / ANSWER NEVER USED BEFORE, COMPLETELY
NEW ANSWER PLEASE
Is it always necessary for government to intervene and
internalize the profit and the cost externalities? Illustrate your
answer using a real world example.
ANSWER THROUGHLY 1-2 pages *** IN PARAGRAPGH FORM PLEASE
NOT BULLET POINTS
COPY AND PASTE Answer in paragraphs, and no picture
attachment please.
NEEDS TO BE AN ORIGINAL SOURCE ANSWER
NEVER USED BEFORE
. NEED ANSWER ASAP / ANSWER NEVER USED BEFORE, COMPLETELY NEW ANSWER PLEASE There are four...
.
NEED ANSWER
ASAP / ANSWER NEVER USED BEFORE, COMPLETELY NEW ANSWER
PLEASE
There are four market models: perfect competition, monopolistic
competition, oligopoly and monopoly. Briefly discuss the
assumptions of each of these four models and give examples of each.
Explain the long run economic profit earned by each of the four.
Explain how the concept of economic profit might help explain the
rationale for the government’s granting of monopolies to those
firms that protect their product with a patent....
. NEED ANSWER ASAP / ANSWER NEVER USED BEFORE, COMPLETELY NEW ANSWER PLEASE What is a...
.
NEED ANSWER
ASAP / ANSWER NEVER USED BEFORE, COMPLETELY NEW ANSWER
PLEASE
What is a market
niche? Discuss the strategies and risks associated with this
competitive position. Give an example in your answer.
ANSWER
THROUGHLY 1-2 pages *** IN PARAGRAPGH FORM PLEASE NOT BULLET
POINTS
COPY AND PASTE
Answer in paragraphs, and no picture attachment
please.
NEEDS TO BE AN
ORIGINAL SOURCE ANSWER NEVER USED
BEFORE
. NEED ANSWER ASAP / ANSWER NEVER USED BEFORE, COMPLETELY NEW ANSWER PLEASE There are four...
.
NEED ANSWER
ASAP / ANSWER NEVER USED BEFORE, COMPLETELY NEW ANSWER
PLEASE
There are four market models: perfect competition, monopolistic
competition, oligopoly and monopoly. Briefly discuss the
assumptions of each of these four models and give examples of each.
Explain the long run economic profit earned by each of the four.
Explain how the concept of economic profit might help explain the
rationale for the government’s granting of monopolies to those
firms that protect their product with a patent....
. NEED ANSWER ASAP / ANSWER NEVER USED BEFORE, COMPLETELY NEW ANSWER PLEASE In the market...
.
NEED ANSWER ASAP / ANSWER NEVER USED BEFORE, COMPLETELY
NEW ANSWER PLEASE
In the market for medications, there is a difference in demand
for medications that are under patent, medications that have a
strong name brand, and medications that are generics. Discuss the
differences in demand for these three different types of
medications. Be sure to discuss these differences using the
concepts of price elasticity of demand, cross price elasticity of
demand and income elasticity of demand.
ANSWER THROUGHLY...
Please answer the last step for question 1. Answer it asap please. Thanks 1. Consider the...
Please answer the last step for question 1. Answer it asap
please. Thanks
1. Consider the following data for three different samples from
three different populations:Consider the following data for three
different samples from three different populations:
Sample 1
Sample 2
Sample 3
0
6
6
4
8
5
0
5
9
1
4
4
0
2
6
T = 5
T = 25
T = 30
G = 60
SS = 12
SS = 20
SS = 14
∑X2...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- LINUX/UNIX Create a script named favcolor.sh. Take 2 parameters, 1. Username, 2. Favorite color. Print any...
- When the start button is pressed, the conveyor belt is working. Products on the tape are...
- song of myself by Walt Whitman summary of the poem in my own words or version
- write a c++ program . Ask the user to enter a number less than 100. Test...
- Please do answer all four questions 11. A local college hospitality restaurant has the best meals...
- Acme, LLC produces three models of paint sprayers. A limitation of only 2,000 machine hours available...
- If you can run “traceroute/tracert” between machines in your organization. List three concrete applications to use...
ADVERTISEMENT