large database that is updated periodically from a range of source; a process of centralized data management and retrieval; a central repository of an organization's data
large database that is updated periodically from a range of source; a process of centralized data management and retrieval; a central repository of an organization's data
stores data from many different systems (like the repository) and includes historical and current information  designed to quickly analyze data  only updated periodically (unlike in real-time with repository)