ETL (Extract, Transform, Load) – Definition & Overview

What is ETL?

ETL stands for Extract, Transform, Load. It is a data integration process that involves three main steps: extracting data from source systems, transforming it, and loading it into a target database.

Steps in ETL process

  • Extract Data
  • Transform Data
  • Load Data

Why ETL is essential

ETL is crucial for data warehousing and analytics, as it ensures that data is clean, consistent, and ready for analysis.

For more on data warehousing, you might want to read about Enterprise Data Warehouses.