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Question: Share your thoughts and opinions on Use Case Diagram, Activity Diagram, and Entity Relationship Diagram (ERD) in this week's discussion.
Flesh out your thoughts and interact with your classmates. Post your initial response by the middle of each week and then return on a couple of other days to see what's going on with the discussions. The more you interact, the more you learn from your peers, and the more you share with them about what you know. You will also be showing your instructor what you have picked up.
Write down short description of database connectivity with Internet using one of widely disseminated technologies. (that is using either active server pages or Java server pages or others).
Using the sample database, write the scripts in a file called ITCO630_P3.SQL to create the following views. Remember to include a USES clause at the top of the script file to use the ITCO630_A database
Create documentation describing the principles and importance of normalization in relation to this project and the process by which this project was normalized.
Design a star schema to organize the sales information to meet the marketing department needs. Identify the dimensions first, and then identify the attributes of those dimensions.
Show an alternative design using the General notations for the attribute described in Problem 2 that uses only entity types (including weak entity types if needed) and relationship types.
What is connectivity? (Use a Crow's Foot ERD to illustrate connectivity.)
Consider an application you would like to eventually implement. What would the logical design look like?
Consider the Health History Report below for a given hospital and Illustrate an example of Insertion, Update and Deletion anomaly from the above report
The order of a leaf node in B+ tree is the maximum number of (value, data, record pointer) pairs it can hold. Given that the block size is 1K bytes, data record pointer is 7 bytes long the value field is 9 bytes long and a block pointer is 6 bytes lo..
The average number technique is sometimes used to explain the results of an unsupervised neural network clustering.
Assume that relation Employee has no tuples in it initially. You are to show the simplest example you can think of where using trigger T1 will produce a different final database state than using trigger T2.
Identify a unique type of file in Windows or Linux with which you are familiar. Suggest the key factors that in your opinion make this a unique type of file
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