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What works for promoting health at school: Improving programs against the substance abuse [PDF]
, 2017 The school is one of the most important contexts for carrying out health promotion programs related to the abuse of substances. Over the years, methods and intervention models have changed a great deal, both in relation to the evolution of health goals ...
Antonio Iudici +5 more
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Getting Along with Relational Databases
Journal of the Text Encoding Initiative, 2021 Both relational databases and XML have strengths and weaknesses as data storage and modelling systems. Most researchers working with Humanities historical and literary data would argue for the superiority of XML, since it allows unlimited nesting, linking, and complexity.
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A New Optimized Model to Handle Temporal Data using Open Source Database
Advances in Electrical and Computer Engineering, 2017 The majority of the database applications now a days deal with temporal data. Temporal records are known to change during the course of time and facilities to manage the multiple snapshots of these records are generally missing in conventional ...
KUMAR, S., RISHI, R.
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The Fast Parsing and Generating Method of Airborne Navigation Database Based on Relation Model
Hangkong gongcheng jinzhan, 2019 Navigation database can be used for navigation calculation and automatic tuning management of navigation platform, etc. It is the necessary data sources for flight management system.
Li Li
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The size distribution of galaxies in the Sloan Digital Sky Survey [PDF]
, 2003 abridged: We use a complete sample of about 140,000 galaxies from the Sloan Digital Sky Survey (SDSS) to study the size distribution of galaxies and its dependence on their luminosity, stellar mass, and morphological type.
Blanton, Michael R. +7 more
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Adequacy of Decompositions of Relational Databases
Journal of Computer and System Sciences, 1980 AbstractWe consider conditions that have appeared in the literature with the purpose of defining a “good” decomposition of a relation scheme. We show that these notions are equivalent in the case that all constraints in the database are functional dependencies. This result solves an open problem of Rissanen.
Fereidoon Sadri +3 more
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DESAIN DATABASE UNTUK OPTIMALISASI SISTEM PREDIKSI TRANSAKSI PENJUALAN
JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika), 2017 The advance of informational technology is expected to be a tool which helps data tabulating process. Management and usage of the data systematically can produce detailed information.
Sucipto Sucipto +2 more
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Pareto law and Pareto index in the income distribution of Japanese companies
, 2004 In order to study the phenomenon in detail that income distribution follows Pareto law, we analyze the database of high income companies in Japan. We find a quantitative relation between the average capital of the companies and the Pareto index.
Ambijorn +23 more
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Database relations with null values [PDF]
Journal of Computer and System Sciences, 1982 A new formalism for null values is developed, based on the semantics that a null value conveys no information; that it is less informative then either an ''exists but unknown'' or a ''no value'' null. What results is a theory of ''heterogeneous relations'': relations with tuples over different schemes.
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The relational database system of KM3NeT [PDF]
AIP Conference Proceedings, 2014 The KM3NeT Collaboration is building a new generation of neutrino telescopes in the Mediterranean Sea. For these telescopes, a relational database is designed and implemented for several purposes, such as the centralised management of accounts, the storage of all documentation about components and the status of the detector and information about slow ...
Arnauld Albert, BOZZA, Cristiano
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