We present the design of a semantic query optimizer for a heterogeneous database management system. It is based on an extension of a centralised implementation.
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Semantic query optimization is the process of transforming a query issued by a user into a different query which, because of the semantics of the application, ...
Missing: DBMS. | Show results with:DBMS.
We propose a query optimization strategy for heteroge- neous DBMSs that extends the traditional optimizer strat- egy widely used in commercial DBMSs to ...
The paper describes the architecture and implementation of the temporal middleware component, termed TANGO, which is based on the Volcano extensible query ...
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Jan 22, 1999 · This paper presents a semantic query optimization (SQO) approach to optimizing query plans of heterogeneous multidatabase systems. This approach ...
This paper presents a semantic query optimization (SQO) approach to optimizing query plans of heterogeneous multidatabase systems. This approach provides global ...
Missing: DBMS. | Show results with:DBMS.
This paper presents a semantic query optimization (SQO) approach to optimizing query plans of heterogeneous multidatabase systems.
This paper presents a semantic query optimization (SQO) approach to optimizing query plans of heterogeneous multidatabase systems. This approachprovides global ...
Shan, "Global Query Optimization in Multidatabase Systems", 1992 NFS Workshop on Heterogeneous Databases and Semantic Interoperability, 1992. Google Scholar.
We propose to extend the SQC paradigm in two orthogonal directions: first, we advocate broadening the domain of applications of SQC into heterogeneous database ...