Questions from Database Systems

Q: Describe the characteristics of predictive analytics. What is the impact of

Describe the characteristics of predictive analytics. What is the impact of Big Data in predictive analytics?

Q: Explain why companies like Google and Amazon were among the first to

Explain why companies like Google and Amazon were among the first to address the Big Data problem.

Q: Explain the difference between scaling up and scaling out.

Explain the difference between scaling up and scaling out.

Q: What is stream processing, and why is it sometimes necessary?

What is stream processing, and why is it sometimes necessary?

Q: How is stream processing different from feedback loop processing?

How is stream processing different from feedback loop processing?

Q: Explain why veracity, value, and visualization can also be said

Explain why veracity, value, and visualization can also be said to apply to relational databases as well as Big Data.

Q: Create a query to produce the summary of the value of products

Create a query to produce the summary of the value of products currently in inventory. Note that the value of each product is produced by the multiplication of the units currently in inventory and the...

Q: What is polyglot persistence, and why is it considered a new

What is polyglot persistence, and why is it considered a new approach?

Q: What are the key assumptions made by the Hadoop Distributed File System

What are the key assumptions made by the Hadoop Distributed File System approach?

Q: Give some example of database connectivity options and what they are used

Give some example of database connectivity options and what they are used for.