1860 search results - page 12 / 372 » A Model of Queries for Object-Oriented Databases |
128
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EWDW
1994
15 years 4 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
107
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CL
2000
Springer
15 years 4 months ago
2000
Springer
Abstract. In this paper a semantic approach for the specification and the management of databases with evolving schemata is introduced. It is shown how a general object-oriented m...
119
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DOOD
1997
Springer
15 years 4 months ago
1997
Springer
Abstract. We present a well-founded semantics for deductive objectoriented database (dood) languages by applying the alternating- xpoint characterization of the well-founded model ...
116
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DBPL
1997
Springer
15 years 4 months ago
1997
Springer
Abstract. In the context of the object-oriented data model, a compiletime approach is given that provides for a significant reduction of the amount of run-time transaction overhead...
131
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FODO
1998
Springer
15 years 4 months ago
1998
Springer
In object-oriented database systems (OODB) with logical OIDs, an OID index (OIDX) is needed to map from OID to the physical location of the object. In a transaction time temporal ...