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Can I read ETL Concepts in Data Warehousing on EtoBox?

ETL Concepts in Data Warehousing by Kathy is a document available to read on EtoBox.

What is ETL Concepts in Data Warehousing about?

1) ETL is a process that involves extracting data from source systems, transforming it to fit operational systems, and loading it into a data warehouse. 2) The main tasks in ETL are extracting data from source systems, transforming it (e.g. cleaning, merging, aggregating), and loading it into the operational data stores and data warehouse. 3) ETL is a key process for data warehousing that accounts for over 50% of the total cost of building and maintaining the data warehouse.

Author
Kathy
Language
EN