Limbic-System
发表于 2025-3-21 16:53:35
书目名称Advances in Data Base Theory影响因子(影响力)<br> http://figure.impactfactor.cn/if/?ISSN=BK0147655<br><br> <br><br>书目名称Advances in Data Base Theory影响因子(影响力)学科排名<br> http://figure.impactfactor.cn/ifr/?ISSN=BK0147655<br><br> <br><br>书目名称Advances in Data Base Theory网络公开度<br> http://figure.impactfactor.cn/at/?ISSN=BK0147655<br><br> <br><br>书目名称Advances in Data Base Theory网络公开度学科排名<br> http://figure.impactfactor.cn/atr/?ISSN=BK0147655<br><br> <br><br>书目名称Advances in Data Base Theory被引频次<br> http://figure.impactfactor.cn/tc/?ISSN=BK0147655<br><br> <br><br>书目名称Advances in Data Base Theory被引频次学科排名<br> http://figure.impactfactor.cn/tcr/?ISSN=BK0147655<br><br> <br><br>书目名称Advances in Data Base Theory年度引用<br> http://figure.impactfactor.cn/ii/?ISSN=BK0147655<br><br> <br><br>书目名称Advances in Data Base Theory年度引用学科排名<br> http://figure.impactfactor.cn/iir/?ISSN=BK0147655<br><br> <br><br>书目名称Advances in Data Base Theory读者反馈<br> http://figure.impactfactor.cn/5y/?ISSN=BK0147655<br><br> <br><br>书目名称Advances in Data Base Theory读者反馈学科排名<br> http://figure.impactfactor.cn/5yr/?ISSN=BK0147655<br><br> <br><br>
巧思
发表于 2025-3-21 21:28:55
Fernando León-Solís,Hugh O’Donnelldecomposition is compatible with the (classical) vertical decomposition. Algorithms for horizontal decompositions can be used as preprocessors for the decomposition algorithm(s) for the vertical decomposition.
集合
发表于 2025-3-22 04:11:14
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清晰
发表于 2025-3-22 08:28:14
https://doi.org/10.1007/978-3-030-54867-4ficiently. In particular we show that the computational cost of each block of constraint monitoring code introduced within the original unmonitored code is bounded by a constant. It is also shown how this approach provides a simple and unified solution to the problem of integrity control and query/ transaction optimization.
加强防卫
发表于 2025-3-22 12:21:35
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图表证明
发表于 2025-3-22 13:17:41
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contradict
发表于 2025-3-22 19:56:05
Óscar García Agustín,Malayna Raftopoulosare useful in the context of a database design methodology where the first level of specification consists of a purely declarative definition of both static and transition constraints. A sequence of results about the solvability of the decision problem of these languages is also presented that helps assess the expressive power of the languages.
大暴雨
发表于 2025-3-22 21:24:17
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清澈
发表于 2025-3-23 04:25:55
S. F. Van Amerongen,J. Van Paradijsneral belief that cyclic J-schemas were “bad” Schemas. In this chapter we show that some cyclic J-schemas are in fact useful..We introduce the notion of a simple schema. A schema S is simple if there exists an acyclic schema S’ such that S and S’ satisfy the same set of multi-valued dependencies. The main results in the chapter are as follows:
巨头
发表于 2025-3-23 06:24:10
Compiling Constraint-Checking Programs from First-Order Formulas978-1-349-06754-1