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	Su, Jianwen     Options: All Media Types Journals Proceedings Div Books Whole Books Other Date Reviewed Title Author Publisher Published Date Descending Ascending Date Reviewed     1 - 3 of 3 reviews       Queries with arithmetical constraints Grumbach S., Su J. Theoretical Computer Science 173(1): 151-181, 1997.  Type: Article In traditional relational databases, the query language is the first-order language with equality, with the semantics in which only finite models are allowed. It is known that such fundamental notions as the parity of the cardinality o...... Mar 1 1998     Dependency preservation in semantic databases Su J. Acta Informatica 31(1): 27-54, 1994.  Type: Article The purpose of this paper is to transfer some results concerning dependency preservation in relational databases into an object-oriented environment. The author has chosen a simple object-oriented data model (section 3), including obje...... Sep 1 1995     On accessing object-oriented databases: expressive power, complexity, and restrictions Hull R., Su J. ACM SIGMOD Record 18(2): 147-158, 1989.  Type: Article Four contributions to the area of object-oriented database (OODB) access compose this paper: (1) introduction of a formal framework for studying the power and complexity of OODB queries, (2) articulation and comparison of three alterna...... Oct 1 1990
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