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