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1999 International Database Engineering and Applications Symposium
Parallelizing User-Defined Functions in Distributed Object-Relational DBMS
Montreal, Canada
August 02-August 04
ISBN: 0-7695-0265-2
Kenneth W. Ng, University of California at Los Angeles,
Richard R. Muntz, University of California at Los Angeles,
Full support of parallelism in object-relational database systems (ORDBMSs) is desired. The parallelization techniques developed for relational database systems are not adequate for ORDBMS because of the introduction of complex abstract data types and operations on ordered domains. In this paper, we consider a data stream paradigm and develop a query parallelization framework that exploits characteristics of user-defined functions in a ORDBMS during query optimization. By introducing the concept of windows and abstract data type orderings, we develop a novel approach for parallelizing user-defined functions in a distributed ORDBMS environment. The implementation issues in providing query services in ordered domains are also discussed.
Index Terms:
Query Processing and Optimization, Extensible Database Systems, Distributed Database Systems, Parallel Database Systems, Object-Relational Database Systems
Citation:
Kenneth W. Ng, Richard R. Muntz, "Parallelizing User-Defined Functions in Distributed Object-Relational DBMS," ideas, pp.442, 1999 International Database Engineering and Applications Symposium, 1999
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