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Data Warehouse Architecture. Differentiate Data Warehouse and Data Mart.
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written 7.3 years ago by | modified 7.3 years ago by |
The data has been selected from various sources and then integrate and store the data in a single and particular format.
Data warehousescontain current detailed data, historical detailed data, lightly and highly summarized data, and metadata.
Current and historical data are voluminous because they are stored at …