What is a fact table in data warehousing?

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What is a fact table in data warehousing?

A fact table in data warehousing is a central table that stores quantitative and measurable data related to a specific business process or event. It contains the primary keys of the dimension tables and the numerical measures or facts associated with those dimensions. The fact table acts as the foundation for data analysis and reporting in a data warehouse, allowing users to perform various types of aggregations, calculations, and comparisons to gain insights and make informed decisions.