Construction of an e-r diagrams

Assignment Help Software Engineering

Reference no: EM13690928

Question: 1."E-R Diagram" Please respond to the following:

Part 1: Select the most important component of an E-R model and explain your reasons for choosing it.

Part 2: Describe the organizational documents you could gather to help in the construction of an E-R diagram.

Part 3: Which organizational document do you believe is the most important one for the data designer? Why?

Question: 2. "Extended E-R Model" Please respond to the following:

Part 1: Describe a situation where the E-R diagram would be inappropriate and there would be a need to use an Extended E-R model over the standard E-R diagram.

Part 2: From the e-Activity, describe in your own words how the E-R diagram helps us understand the relationships among entities for the example you selected. Outline the essential relationships of the E-R diagram you selected.

Can you provide the answer as soon as possible and there is no word limit?

Reference no: EM13690928

Questions Cloud

Analyzing the costs and benefits of a proposed system : Briefly compare and contrast the four techniques for analyzing the costs and benefits of a proposed system. What do you see as particular strengths and weakness of each method?

How can you use filters to creatively manipulate images : How can you use filters to creatively manipulate images? What filter effect do you find the most useful? Why?

What visual effects were you able to achieve : What visual effects were you able to achieve with the tools that you used in the activity? Do you think these effects enabled you to improve the quality of the image? Why or Why not?

Variables - features of good program design : Explain one reason why the variable name in question is acceptable but not recommended, and provide an alternative name that would both satisfy the compiler and be recommended according to variable naming conventions.

Construction of an e-r diagrams : Describe the organizational documents you could gather to help in the construction of an E-R diagram and describe a situation where the E-R diagram would be inappropriate and there would be a need to use an Extended E-R model over the standard E-R ..

Calculates how much a little league baseball team spent : Prepare a program that calculates how much a little league baseball team spent last year to purchase new baseballs.

Categorize the efficiency in terms of the variable : Show in milliseconds the amount of time this construct would require to execute if n were 1000 - Consider the following nested loop construct

Implement function types that takes no input : Implement function types that takes no input, declares 3 variables of type char, 3 of type short, 3 of type int, and 3 of type double.

How to draw a figure of an http get packet : How to draw a figure of an HTTP GET packet that shows the position and size in bytes of the TCP, IP and Ethernet protocol headers.

User Account

All Pages