Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Compound key"'
Autor:
Xingping Lai, Haoyu Zhu, Pengfei Shan, Yun Zhang, Longquan Wu, Hao Qiao, Haozhou Zhao, Ziqiang Dai
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 4, Pp 1745-1758 (2024)
Abstract In view of the problem strong rock pressure is easy to occur in coal seam mining in western gully terrain. Based on the coal seam mining conditions in the gully area under the compound key strata of Zhujiamao Coal Mine, the methods of simila
Externí odkaz:
https://doaj.org/article/12c07013a33341f4aed4fba91250b03c
Akademický článek
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Publikováno v:
Bulletin of Engineering Geology and the Environment. 78:1025-1044
Ground cracks caused by coal mining is a typical man-made geological hazard which severely damages the ecological environment and ground structures (such as buildings, pipelines and bridges, etc.). Therefore, it is necessary to study ground crack dev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73ebcd8fe037b3fe8b7cf34b5fe0de70
https://doi.org/10.1007/s10064-017-1108-2
https://doi.org/10.1007/s10064-017-1108-2
Akademický článek
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K zobrazení výsledku je třeba se přihlásit.
Akademický článek
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K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 11:1693-1701
In this paper, requirements of efficient group key creation in multiple hierarchy structure environment with clear distinction of hierarchical roles within organizations are explained and the method of creating a group key that satisfies such require
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c92b053444955c50b2855fa2e70f148d
https://doi.org/10.5762/kais.2010.11.5.1693
https://doi.org/10.5762/kais.2010.11.5.1693
Autor:
Joe Celko
Tables used logical keys to locate data as opposed to pointers and other physical devices. I discuss my classification system for keys.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c27c82cca4c98f5cc719c1f70f7b27bd
https://doi.org/10.1016/b978-0-12-800761-7.00004-8
https://doi.org/10.1016/b978-0-12-800761-7.00004-8
Autor:
ALBERTO MUÑOZ
Publikováno v:
Intelligent Data Analysis. 1:25-48
The growing availability of databases on the information highways motivates the development of new processing tools able to deal with a heterogeneous and changing information environment. A highly desirable feature of data processing systems handling
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94ba1bbc9d7a6939238d4e9c0e56fc9e
https://doi.org/10.1016/s1088-467x(98)00008-0
https://doi.org/10.1016/s1088-467x(98)00008-0
This chapter discusses the database life cycle step that is of particular interest when designing relational databases: transformation of the conceptual data model to candidate tables and their definition in SQL. Entities, attributes, and relationshi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a53d91b8cd1309b18e3e102e6900ef99
https://doi.org/10.1016/b978-012685352-0/50005-7
https://doi.org/10.1016/b978-012685352-0/50005-7
Publikováno v:
ICDE
Scopus-Elsevier
Scopus-Elsevier
The objective of entity identification is to determine the correspondence between objective instances from more than one database. This paper examines the problem at the instance level assuming that schema level heterogeneity has been resolved a prio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06cbae4ec5ebed23efc19a9a9375fead
https://doi.org/10.1109/icde.1993.344053
https://doi.org/10.1109/icde.1993.344053