Q 43. What is ETL in SQL?
Ans : ETL is a process in Data Warehousing.
It stands for Extract, Transform, and Load. It is a process in which an ETL tool extracts the data from various data source systems, transforms it in the staging area, and then finally, loads it into the Data Warehouse system.
These are three database functions that are incorporated into one tool to pull data out from one database and put data into another database.
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