What is ETL

Extract, Transform, and Load (ETL). Software of this type receives data from various sources, transforms it to a format suitable for the Data Warehouse, and then transfers it to the Data Warehouse.https://www.greenmesquitebbq.com/profile/top-gun-maverick-2022-free-online/profile In the 1970s, the first ETLs were introduced. Large corporations began collecting and storing data from various sources and combining it into a single repository. As a result, this programme was created to address the demand for data integration. Most data warehouses of the 1980s were only compatible with a single ETL during this time period. As a result, a huge number of people had to be employed.…