Online data warehouses are central repository and information systems that enable companies to discover insights and guide their decision-making using business intelligence. They store data that has been extracted, transformed, and loaded (ETL) from diverse sources like internal operational databases, customer-interface applications like marketing and sales; as well as external partner systems.
They function as a single source of truth, centralizing information in a non-volatile database that is accessible to employees with authorization. A data warehouse is a tool that supports online analysis processing, which enables users to speedily and effectively analyze multidimensional data. A typical warehouse can be as large as petabytes.
Data warehouse tools are software that aid in operations such as reading, storing, and transferring huge data review sets. Examples of this include Xplenty, Amazon Redshift, Teradata, Informatica, and IBM Infosphere.
A data warehouse can help businesses make better decisions faster by removing the dependence on intuitions or incomplete data, or inefficient and slow systems. Furthermore, it gives the ability to compare multiple time periods and identify trends, which allows decision makers to feel more confident about their choices. Data warehousing is an essential tool for companies of every industry, as it assists them improve campaigns, minimize churn, increase revenue, and much more.