ETL vs. ELT: A thorough examination of both gets closer including trade-offs and practical uses

Authors

  • Muneer Ahmed Salamkar Senior Associate at JP Morgan Chase, USA Author

Keywords:

Data Integration, Fintech, Data Quality, Data Migration

Abstract

Two essential data integrations approaches are ETL (Extract, Transform, Load) & ELT (Extract, Load, Transform), each of them which is appropriates for a certain set of requirements. ETL entails removing data &converting it into a format that can be used then putting it into a data warehouses. It is the preferred option for sectors like banking & also healthcare that needs high data integrity since it is perfect for structured data that has to be thoroughly cleaned & validated before being stored. ELT reverses the procedures by converting data after it has been loaded into a data warehouses. This method is ideal for managing the massive amounts of raw data & facilitating the flexible analytics as it make uses of contemporary cloud-based warehouses with the scalable processing capabilities. This comparison draws attention & the differences between ELT's speed & flexibility and ETL's accuracy & data integrity. Employ examples from the retail, healthcare & finance industries demonstrate how companies employs ELT for a quick, scalable insights & ETL for curated datasets. Organizations may choose the best part of approach to improve performances and streamline their data operations by being aware of these trade-offs.

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Published

02-03-2019

How to Cite

[1]
Muneer Ahmed Salamkar, “ETL vs. ELT: A thorough examination of both gets closer including trade-offs and practical uses”, Distrib. Learn. Broad Appl. Sci. Res., vol. 5, pp. 1081–1104, Mar. 2019, Accessed: Mar. 14, 2025. [Online]. Available: https://dlbasr.org/index.php/publication/article/view/35