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Understanding ETL and Database Keys by Deepak Kumar Thakur is a document available to read on EtoBox.
What is Understanding ETL and Database Keys about?
ETL refers to the process of extracting data from multiple sources, transforming it to fit operational needs, and loading it into a data warehouse or other type of database. It involves extracting data from heterogeneous sources, transforming it into a common structure with consistent data definitions using processes like data cleansing, and loading it into a target system like a data warehouse or data lake for reporting and analytics purposes. The key steps are to extract data from various sources, transfo
- Author
- Deepak Kumar Thakur
- Language
- EN