Online Data Warehouses

Online data warehouses (ODWs) are centralized information storage and repository systems that help businesses gain insight and make better choices through business intelligence. They store summarized data that was extracted transformed, loaded, and transformed (ETL) from a variety of sources including internal operational databases, applications for customer interaction, such as marketing and sales, and external partner systems.

They serve as a single source of truth, centralizing data in a secure, non-volatile system that is accessible to employees with authorization. Data warehouses support online analytical processing (OLAP) which allows users to perform multidimensional data analysis swiftly and efficiently. A typical warehouse could be several petabytes in size.

Data warehouse tools are software tools that aid in operations on a vast data set, including gathering, reading and transferring. Xplenty is a well-known example and so are Amazon Redshift, Teradata and IBM Infosphere.

Data warehouses enable businesses to make better decisions by removing the need to rely solely on intuition or incomplete data. It also eliminates the need for inefficient and slow systems. It also lets decision makers make more informed decisions through comparing multiple time frames. Data warehouse is an essential tool for businesses in every sector, as it allows to improve their campaigns, reduce turnover, increase revenue and more.

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