A centralized repository of integrated data from various sources.

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What is a Data Warehouse?

Supports decision-making by providing a single version of the truth.

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Purpose of a Data Warehouse

· Subject-oriented · Integrated · Time-variant · Non-volatile

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Key Characteristics

· Data extraction · Transformation · Loading (ETL) process

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How it Works

· Improved decision-making · Enhanced performance · Cost reduction

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Benefits of a Data Warehouse

· Marketing analysis · Financial reporting · Customer segmentation

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Common Use Cases

· Cloud-based solutions · Big data integration · Advanced analytics

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Future of Data Warehousing