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Introduction to Computer Science

Problem Set A

Introduction to Computer ScienceProblem Set A

Problem Set A

1 .
You are working for a large retailer, and you are given access to radio frequency identification (RFID) devices, which give you the ability to tag every item the company has in stock. Describe the team you would recommend putting together to derive some real benefits about the tagging, and recommend an approach to drive improvements in sales.
2 .
Provide an example of data governance relating accuracy, accessibility, and security.
3 .
Give an example of data that could benefit from being represented using the hierarchical model.
4 .
Write a use case that would suggest that SQL is a better choice than NoSQL, and explain why it’s a better choice.
5 .
Write a use case that would suggest NoSQL is a better choice than SQL would be, and explain why it’s a better choice.
6 .
Develop a conceptual model using ErWin and map the conceptual schema to a relational database schema for a database target of your choice. Review the generated SQL statements and comment on them. Then populate the resulting database with sample data of your choice and create an SQL query that will let you retrieve all the employees that work on a given project.
7 .
Research some popular SQL and NoSQL tools. Create a list of tools that are available for each database type. Download a version of an SQL and NoSQL tool of your choice and create a table in each.
8 .
Contrast operational, tactical, and strategic decision-making. Illustrate with an example in
  • an online retail setting (e.g., Amazon, Netflix, eBay),
  • a bank setting, or
  • a university setting.
9 .
Ideally, data integration should include
  • only data.
  • only processes.
  • both processes and data.
10 .
What components does the base Hadoop stack include?
11 .
Explain how informatics relates to sports.
12 .
Explain how informatics relates to urban life.
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