Data extraction involves pulling information from various source systems using methods like SQL queries, APIs, or file imports. The extracted data is loaded into a staging area, temporarily stored for validation, cleansing, and processing before being moved to its final destination, such as a data warehouse or analytics platform. This approach ensures data integrity, error detection, consistency, and efficient workflows, enabling better data management, decision-making, and business insights. The staging area also provides a controlled environment for addressing data issues before final storage.
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Data Extraction
