Overview
ETL (Extract, Transform, Load) is a data integration process that combines data from multiple sources into a single, consistent data store that is loaded into a data warehouse or other target system.
The Process
- Extract: Collecting data from various source systems.
- Transform: Cleaning, formatting, and applying business rules to the data.
- Load: Inserting the processed data into the target database or warehouse.
Use Cases
- Data Warehousing
- Data Migration
- Master Data Management