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Definition: DQbroker


(Distributed Query BROKER) Earlier database middleware from Decision Support, Inc., Matthews, North Carolina that provided enterprise data access to heterogeneous databases. Working with more than 70 relational and hierarchical database systems running under Unix or Windows, DQbroker enabled a single SQL statement from any query program on any platform to execute against any number of databases in the network. See DQpowersuite.







Distributed vs. Centralized Architecture
Since DQbroker resided in all the database servers, it enabled a query to be sent to any of them. In a hub and spoke architecture, the query went to a central location.