ühendatud andmebaasisüsteem

ühendatud andmebaasisüsteem  

andmebaaside haldussüsteem, mis läbipaistvalt liidab mitu autonoomset andmebaasisüsteemi ühtseks ühendatud andmebaasisüsteemiks     

Examples

 The constituent databases are interconnected via a computer network, and may be geographically decentralized. A federated database (or virtual database) is the fully integrated, logical composite of all constituent databases in a federated database system. Data sources could be both structured (relation database, Excel, etc) and/or unstructured data like medical records, etc. Because various database management systems employ different query languages, federated database systems can apply wrappers to the sub-queries to translate them into the appropriate query languages. 

Source

 Litton, January 2007


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