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Understanding the ETL Process by john949 is a document available to read on EtoBox.

What is Understanding the ETL Process about?

The document discusses extract, transform, load (ETL) which is a three phase process where data is extracted from sources, transformed (cleaned and structured), and loaded into an output container. In the extract phase, data is pulled from sources which can be heterogeneous. The transform phase cleans and structures the data according to requirements. The load phase loads the structured data into the target database or data warehouse. ETL is commonly used in data warehousing to integrate data from multiple

Author

john949

Language

EN