ETL follows data integration wherein the three steps extract, transform and load are used to combine data from several sources. It results in a data warehouse. There will be enhanced performance with the help of ETL. Organizations depend on the ETL process to obtain a combined view of the data so that optimal business decisions can be made. ETL can have a good impact on the data professionals’ productivity. Informatica is an in-demand ETL tool and is used widely. It is prominently deployed on the backend including functions like cleaning the data etc. Enrolling in the best Informatica training in Chennai will give you a good understanding of why Informatica is so popular.