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Data Science Hierarchy and ETL Processes by Lamis Ahmad is a document available to read on EtoBox.
What is Data Science Hierarchy and ETL Processes about?
Data warehouses store aggregated data from multiple sources to enable analytics, while databases store granular transactional data. Extract, transform, load (ETL) processes extract raw data, transform it into analysis-ready form through operations like filtering and aggregation, and load it into destinations. Data engineering involves gathering, integrating, and preparing disparate data sources for analytics through data pipelines and infrastructure management.
- Author
- Lamis Ahmad
- Language
- EN