ETL stands for: Extract, Transform, and Load, in short ETL This is a concept from computing and is traditionally applied to structured data. It refers to the processes used to unify data from different structured databases (such as ECM, WCM, DM systems) into another database, often a data warehouse.
The concept of Content ETL has been introduced recently and it is applied to unstructured data only, as stored in file systems and ECM, WCM, DM systems. Content ETL refers to the processes that are used to simply exchange data between multiple content repositories. The ETL (Extract, Transform and Load) process for unstructured data is much more difficult than for structured data. This has a number of causes. More about ETL.
Content ETL is used for various purposes, namely: