Understanding Data
Understanding Data Data is a distinct piece of information that is gathered and translated for some purpose. Data can come in the form of text, observations, figures, images, numbers, graphs, or symbols. For example, data might include individual prices, weights, addresses, ages, names, temperatures, dates, or distances. Types of Data Structured Unstructured Semi-Structured Structured Data - Data that is organized in a defined manner or schema, typically found in relational databases. Characteristics : • Easily queryable • Organized in rows and columns • Has a consistent structure Examples : • Database tables • CSV files with consistent columns • Excel spreadsheets Unstructured Data - Definition: Data that doesn't have a predefined structure or schema. Characteristics: • Not easily queryable without preprocessing • May come in various formats Examples: • Text files without a fixed format • Videos and audio files • Images • Emails and word processing documents Semi -Structu