Data Engineering Chapter 2: Understanding Data

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What is a characteristic of structured data that makes it suitable for machine learning algorithms?

High storage requirements

Ability to store large amounts of data

Specific and organized architecture (correct)

Flexibility in data usage

What is a limitation of structured data in terms of its usage?

It can only be used for its intended purpose (correct)

It is highly susceptible to data breaches

It requires advanced software to analyze

It requires a large amount of storage space

What type of data storage systems are typically used for structured data?

Relational databases

Distributed file systems

Data warehouses with rigid schemas (correct)

Cloud-based storage systems

What is an example of a use case for structured data?

Customer relationship management (CRM) Signup and view all the answers

What is a benefit of structured data for business users?

It does not require an in-depth understanding of different types of data Signup and view all the answers

What is an example of structured data?

Hotel and ticket reservation data Signup and view all the answers

What is the primary purpose of collecting and analyzing data?

To gain a competitive edge and improve operations Signup and view all the answers

What percentage of all data is typically represented by structured data?

5% to 10% Signup and view all the answers

What is a characteristic of structured data?

It has a well-defined structure or adheres to a specified data model Signup and view all the answers

What is an example of a source of structured data?

Online forms Signup and view all the answers

What is the primary difference between data and unorganized information?

Data is processed to make it meaningful, while unorganized information is not Signup and view all the answers

What is a common use of data in various fields?

To derive insights, make decisions, and solve problems Signup and view all the answers

What is a characteristic of unstructured data that makes it challenging to analyze?

It lacks a predefined structure Signup and view all the answers

What is a use case for unstructured data involving image analysis?

Object recognition in images Signup and view all the answers

Why is data science expertise required for unstructured data?

Because it has an undefined or non-formatted nature Signup and view all the answers

What is an example of a specialized tool required for unstructured data?

Text analysis software Signup and view all the answers

What is a benefit of using unstructured data in business?

It enables businesses to better accommodate their customer base Signup and view all the answers

What is the role of unstructured data in big data analytics?

It plays a significant role in processing large volumes of varied data Signup and view all the answers

What is the primary function of Predictive Data Analytics in business?

Alert businesses of important activity ahead of time Signup and view all the answers

What is a characteristic of Semi-Structured data?

It contains tags and elements to group data Signup and view all the answers

What is the purpose of a Data Lake?

To store all structured and unstructured data at any scale Signup and view all the answers

What is Amazon DynamoDB designed for?

To provide seamless scalability for applications Signup and view all the answers

What is the primary function of Chatbots?

To route customer questions to appropriate answer sources Signup and view all the answers

What is MongoDB used for?

To provide support for JSON-like storage Signup and view all the answers

What is a common challenge when integrating semi-structured data with traditional databases?

Custom solutions or middleware requirements Signup and view all the answers

What is an example of using semi-structured data for investment insights?

Analyzing semi-structured financial news articles and earnings reports Signup and view all the answers

What is an advantage of using Apache Cassandra for semi-structured data?

Scalability and high availability without compromising performance Signup and view all the answers

What is an example of using semi-structured data for personalized product recommendations?

Analyzing customer browsing and purchase history Signup and view all the answers

What type of data is typically stored in e-commerce platforms?

Semi-structured data Signup and view all the answers

What is an example of using semi-structured data from social media?

Analyzing user profiles from social media Signup and view all the answers