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Data virtualization is an approach to data management that allows an application to retrieve and manipulate data without requiring technical details about the data, such as how it is formatted at source, or where it is physically located, [1] and can provide a single customer view (or single view of any other entity) of the overall data.
There is no actual data integration in the constituent disparate databases as a result of data federation. Through data abstraction, federated database systems can provide a uniform user interface, enabling users and clients to store and retrieve data from multiple noncontiguous databases with a single query—even if the constituent databases ...
Database virtualization is the decoupling of the database layer, which lies between the storage and application layers within the application stack. Virtualization of the database layer enables a shift away from the physical, toward the logical or virtual. Virtualization enables compute and storage resources to be pooled and allocated on demand.
Therefore, data virtualization as well as data federation depends upon accidental data commonality to support combining data and information from disparate data sets. Because of the lack of data value commonality across data sources, the return set may be inaccurate, incomplete, and impossible to validate.
Enterprise information integration (EII) is the ability to support a unified view of data and information for an entire organization.In a data virtualization application of EII, a process of information integration, using data abstraction to provide a unified interface (known as uniform data access) for viewing all the data within an organization, and a single set of structures and naming ...
(Reuters) - Montana legislators on Tuesday rejected an attempt to ban a transgender member of the state House of Representatives from using the women's restroom at the state Capitol, with some ...
Data. Data virtualization: the presentation of data as an abstract layer, independent of underlying database systems, structures and storage; Database virtualization: the decoupling of the database layer, which lies between the storage and application layers within the application stack over all; Network
From January 2008 to December 2012, if you bought shares in companies when Richard Goodman joined the board, and sold them when he left, you would have a -5.6 percent return on your investment, compared to a 6.5 percent return from the S&P 500.