ETL (two different file data contain using Aggregate function )

Published: 18 June 2023
on channel: Programming with Jossie

#ETL #clouds #database
• ETL (Extraction ,Transform , Load)
#ETL #clouds #database #workhard
Extract, transform, and load (ETL) is the process of combining data from multiple sources into a large, central repository called a data warehouse. ETL uses a set of business rules to clean and organize raw data and prepare it for storage, data analytics, and machine learning (ML).

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