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CAAP
1990
14 years 3 months ago
Coherence of Subsumption
One approach to give semantics to languages with subtypes is by translation to target languages without subtyping: subtypings A 6 B are interpreted via conversion functions A B. ...
Pierre-Louis Curien, Giorgio Ghelli
VLDB
1994
ACM
96views Database» more  VLDB 1994»
14 years 3 months ago
Implementing Lazy Database Updates for an Object Database System
Current object database management systems support user-defined conversion functions to update the database once the schema has been modified. Two main strategies are possible whe...
Fabrizio Ferrandina, Thorsten Meyer, Roberto Zicar...