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What is Time and Interval (datatype)

Chapter 10
Handbook of Research on Innovations in Database Technologies and Applications: Current and Future Trends
Fundamental datatypes to establish the temporal reference in a database. Time is symbolized by real numbers, based on a sequence of representative values to meet the application. Interval is an aggregation of two time moments intended to delimit and characterize the interval. The interval may represent continuous or discrete time.
Published in Chapter:
Database Engineering Supporting the Data Evolution
Luiz Camolesi Júnior (State University of Campinas (UNICAMP), Brazil) and Marina Teresa Pires Vieira (Methodist University of Piracicaba – UNIMEP, Brazil)
Copyright: © 2009 |Pages: 9
DOI: 10.4018/978-1-60566-242-8.ch010
Abstract
Researchers in several areas (sociology, philosophy and psychology), among them Herbert Spencer and Abraham Maslow, attribute human actions resulting in continual environmental changes to the search for the satisfaction of individual and collective needs. In other fields of science, this behavior represents a challenge in ethical researches on concepts, methodologies and technologies aimed at optimizing and qualifying the actions involved in these continual changes to obtain better results.
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