ETL (Extract, Transform, Load) in SQL refers to the process of extracting data from various sources, transforming it into a suitable format, and loading it into a target database or data warehouse. Extract : Data is retrieved from different systems, such as databases, files, or APIs. Transform : The data is cleaned, standardized, and enriched to meet business requirements (e.g., joining tables, removing duplicates, or applying calculations). Load : The processed data is loaded into the target system for analysis or reporting. ETL is crucial for creating centralized, structured datasets to enable efficient data analysis and decision-making.

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What is ETL in SQL?

Asked by Muskaan 10/12/2024 Last Modified 09 Mar

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