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1. Why is it preferable to use a numeric-based attribute as the key attribute?
2. Why is it important that you identify all of the important relationships when developing an entity-relationship (E-R) diagram?
3. What are the relative advantages of the relational and object-oriented database models?
Implement that entity as a database table with two subtypes, Games and Movie.
objectivesto analyse and comprehend a provided er diagram and database schemato implement a database based on the
List the SKU which was purchased the most. List the three SKUs that were purchased most frequently together. List the four SKUs that were purchased most frequently together.
Write only two commands to accomplish this task. Save your work as a .sql file.
From the e-Activity, describe the main elements of data breach notification laws. Discuss the importance of breach notification for credit card information, as it relates to PCI-DSS.
Identify three potential users and design a subschema for each. Justify your design by explaining why each user needs access to that data element.
A Relational schema of your database in 3NF, clearly indicating attributes, the data type of each attribute, primary and foreign keys, candidate keys, and which attributes are nullable, giving reasons. List any assumptions you need to make.
Reflect upon the desirable characteristics of a primary key (below) that were presented in this week's lecture. (150-300 words) Choose one characteristic and discuss why you believe it would be undesirable if this were not a characteristic of a pr..
Prepare an annotated table of entities and activities. Indicate on this table the groupings, bubble numbers, bubble titles to be used in preparing a level 0 logical DFD
To bridge the gap between the theory presented in the course materials and the real world, discuss what is meant by artificial intelligence (AI). Discuss some artificial intelligence (AI) applications. What are some predictions concerning specific..
Write a program that simulates a game of rock, paper, scissors between a human and the computer in best 2 out of 3 rounds.
You are a vice president of marketing for a nation-wide appliance manufacturer with three production plants. Explain different ways you would tend to analyze your sales. What are the business dimensions for your analysis?
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