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Questions and Answers
What are the two types of data mentioned in the text?
What are the two types of data mentioned in the text?
- Big and small
- Text and image
- SQL and RDBMS
- Unstructured and structured (correct)
What are examples of structured data mentioned in the text?
What are examples of structured data mentioned in the text?
- Videos and audio files
- Phone numbers and social security numbers (correct)
- PDFs and Word docs
- Sensor nodes and automated monitoring systems
What is used for accessing structured data in RDBMS?
What is used for accessing structured data in RDBMS?
- PDFs
- Structured Query Language (SQL) (correct)
- E-mails
- Videos
Which category of data has a pre-defined structure?
Which category of data has a pre-defined structure?
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What characterizes unstructured data?
What characterizes unstructured data?
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What contributes to the massive volume of data on the Internet, in addition to user-generated data?
What contributes to the massive volume of data on the Internet, in addition to user-generated data?
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Study Notes
Types of Data
- Data is primarily categorized into structured and unstructured types.
Examples of Structured Data
- Examples include data organized in tables with rows and columns, such as databases, spreadsheets, and data warehouses.
Accessing Structured Data in RDBMS
- Structured Query Language (SQL) is utilized for accessing and managing structured data in Relational Database Management Systems (RDBMS).
Pre-defined Structure of Data
- Structured data is characterized by its pre-defined schema, which dictates how the data is organized, stored, and accessed.
Characteristics of Unstructured Data
- Unstructured data lacks a specific format or organization, making it difficult to categorize or analyze. It includes text documents, images, videos, and social media posts.
Contributors to Internet Data Volume
- Aside from user-generated content, the massive volume of data on the Internet is also driven by machine-generated data, such as sensor data, logs, and transactional records.
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