ETL is a short for Extract, Transform and Load. It is a data integration function that involves extracting the data from outside sources , transforming it into business needs and ultimately loading it into a datawarehouse
ETL is an abbreviation for "Extract, Transform and Load".This is the process of extracting data from their operational data sources or external data sources, transforming the data which includes cleansing, aggregation, summarization, integration, as well as basic transformation and loading the data into some form of the data warehouse.
E: Extraction of data from the homogeneous/heterogenous sources.
T: Transforming/modifying the source data by applying some transformations like Filter, Expression, Router, Joiner, Union (or) Lookup.
L: Loading the Transformed data into corresponding Target tables.
