![]() Consider a simple example of data files uploaded to an FTP server, which need to be loaded to a target table in a data warehouse. Data extraction can take many different forms-data can be copied directly from storage devices, loaded via APIs, streamed via tools like Kafka, etc. Data Extractionĭata extraction is the first step in the ETL process. You can treat these examples as recipes, and implement them using your specific ETL tool or environment.
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