hadoop

Data refers to raw, unprocessed facts, statistics, or information collected for reference, analysis, and processing. They are of different formats: Structured Data: Organized in a defined format, such as rows and columns in a database Unstructured Data: No predefined structure, such as text, emails, images, videos, and social media posts. (Note: If 20 percent of the data available to enterprises is structured data, the other 80 percent is unstructured.) Semi-Structured Data: A hybrid of structured and unstructured data, like JSON or XML documents that have tags or markers to organize the data but don’t fit into a traditional database schema.…