Data Warehousing methodologies share a common set of tasks, including requirements analysis, data design, architectural design, implementation and deployment. Clinical data warehouses are complex and time consuming to review a series of patient records however it is one of the efficient data repository existing to deliver quality patient care. Data integration tasks of medical data store are warehouse architecture. The presented data warehouse architectures are practicable solutions to tackle data integration issues and could be adopted by small to large clinical data warehouse applications.

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Keywords: Clinical Data Warehouse, Data Integration, Data Warehousing, Data Design, Data Warehouse Architecture.

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