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Titlebook: Semantics in Databases; Bernhard Thalheim,Leonid Libkin Conference proceedings 1998 Springer-Verlag Berlin Heidelberg 1998 constraint data

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书目名称Semantics in Databases
编辑Bernhard Thalheim,Leonid Libkin
视频video
丛书名称Lecture Notes in Computer Science
图书封面Titlebook: Semantics in Databases;  Bernhard Thalheim,Leonid Libkin Conference proceedings 1998 Springer-Verlag Berlin Heidelberg 1998 constraint data
描述This book presents a coherent suvey on exciting developments in database semantics. The origins of the volume date back to a workshop held in Prague, Czech Republic, in 1995. The nine revised full papers and surveys presented were carefully reviewed for inclusion in the book. They address more traditional aspects like dealing with integrity constraints and conceptual modeling as well as new areas of databases; object-orientation, incomplete information, database transformations and other issues are investigated by applying formal semantics, e.g. the evolving algebra semantics.
出版日期Conference proceedings 1998
关键词constraint databases; database; database semantics; modeling; object-oriented databases; relational datab
版次1
doihttps://doi.org/10.1007/BFb0035002
isbn_softcover978-3-540-64199-5
isbn_ebook978-3-540-69700-8Series ISSN 0302-9743 Series E-ISSN 1611-3349
issn_series 0302-9743
copyrightSpringer-Verlag Berlin Heidelberg 1998
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The evolving algebra semantics of class and role hierarchies,vice feature of object-oriented data models proposed recently by different authors: role hierarchies. As opposed to traditional class hierarchies, role hierarchies allow objects to dynamically acquire multiple independent types.
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Semantics in spatial databases,atial databases are under consideration. A semantics for both data models is formally defined in terms of finite representations of spatial databases in the data models. We also present languages to query spatial databases in both models and briefly investigate their expressiveness.
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An informal and efficient approach for obtaining semantic constraints using sample data and natural The efficiency and correctness of a database depends among other things on knowledge about database semantics because semantic constraints are the prerequisite for normalization and restructuring operations. Acquisition of semantic constraints remains one of the bottlenecks in database design becau
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