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A type system for an object-oriented database system

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1 Author(s)
Wu, X. ; Dept. of Comput. Sci., Dortmund Univ., Germany

A type system is presented with strong typing and static type checking that is not yet well supported in most existing object-oriented database systems. A subtyping rule is defined for correctly structuring the inheritance hierarchy of the types. Based on the subtyping, a number of type inference rules are defined. They can be used by the type system to statically determine the types of the query results and whether a given application program is type correct

Published in:
Computer Software and Applications Conference, 1991. COMPSAC '91., Proceedings of the Fifteenth Annual International

Date of Conference: 11-13 Sep 1991

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