Data mining can work on many types of data, such as:
Databases: Organized data stored in tables.
Data Warehouses: Large collections of combined data.
Flat Files: Simple text files like CSV or Excel.
Web Data: Information from websites.
Multimedia Data: Images, videos, and audio files.
Time-Series Data: Data collected over time (e.g., stock prices).
Spatial Data: Maps or location-based data.