Data Warehousing: Data Warehousing (Definitions)

Data Warehousing (DW): "The operational extract, cleansing, transformation, and load processes, and associated control processes, that maintain the data containing within a Data Warehouse." (DAMA International, "The DAMA Dictionary of Data Management", 2011)

Data Warehousing: "creating a central database, extracting data from source systems, and then cleaning and loading the data in to the database. The database is designed in such a way that business users can then access the data to answer their business questions." (BI System Builders)

Data Warehousing: "The process of aggregating data from disparate sources for the purpose of building a data warehouse. Data warehousing involves design, development, testing, deployment, operations, impact analysis, and change management." (Insight Software)

"Data warehousing is a technology that aggregates structured data from one or more sources so that it can be compared and analyzed for greater business intelligence." (Informatica) [source]