Understanding data warehouses and data marts – fountains of truth
An Enterprise Data Warehouse (EDW) is the central data repository that contains structured, curated, consistent, and trusted data assets that are organized into a well-modeled schema. The data assets in an EDW are made up of all the relevant information about key business domains and are built by integrating data sourced from the following places:
- Run-the-business applications (ERPs, CRMs, Line of Business applications) that support all the key business domains across the enterprise.
- External data sources such as data from partners and third parties.
An enterprise data warehouse provides business users and decision-makers with an easy-to-use, central platform that helps them find and analyze a well-modeled, well-integrated, single version of truth about various business subject areas such as customer, product, sales, marketing, supply chain, and more. Business users analyze data in the warehouse...