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CAAP
1990
13 years 11 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»
13 years 11 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...