Web-based Data Management Systems Quiz

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What type of data is frequently stored in web-based services such as social-media platforms and online retailers?

Locations of places of interest

Sales data and orders

Collections of new articles

User connections and posts (correct)

Which of the following is NOT mentioned as being tracked by online retailers for the purpose of recommendation?

User preferences

Search terms

Sales data (correct)

Product views

What type of records are maintained by online advertisements to enable targeted recommendations?

Locations of places

User connections

Click history (correct)

Sales data

In the context of databases, what do navigation systems primarily maintain?

Locations of places of interest Signup and view all the answers

How have people's interactions with databases evolved over time?

From back-office systems to web interactions Signup and view all the answers

What was the primary method of user interaction with early databases mentioned in the text?

Paper forms for input Signup and view all the answers

What are some characteristics of data managed by database systems?

Relatively large, accessed by multiple users, structured Signup and view all the answers

How have database applications evolved over time?

From simple and structured to complex and unstructured data Signup and view all the answers

What is a key difference between the university database application and a social-networking site's data?

University data is unstructured, while social-networking data may vary in structure Signup and view all the answers

How does the text describe the information stored in a university's database regarding courses and students?

Simple, structured, with repeating elements Signup and view all the answers

Why is it important for distributed databases to handle complex relationships among data?

To efficiently manage various interconnections within the data Signup and view all the answers

In what way do both the university database application and a social-networking site share similarities?

They both have a limited amount of common structure among their data Signup and view all the answers

Which chapter covers the discussion of partitioning and data skew, replication, parallel indexing, distributed file systems such as Hadoop, and parallel key-value stores?

Chapter 21 Signup and view all the answers

In Chapter 22, what topic is covered regarding parallelism?

Parallel sort and join Signup and view all the answers

Which of the following is NOT covered in Chapter 23 on transaction management?

Distributed file systems Signup and view all the answers

What concept is discussed in all three chapters (21, 22, and 23) of Part 9?

Parallelism Signup and view all the answers

Which of the following is NOT included in Chapter 21 on storage and indexing?

Query processing Signup and view all the answers

In Chapter 22, what is NOT discussed under parallelism?

Transaction management Signup and view all the answers