By Mario Piattini

ISBN-10: 0890063958

ISBN-13: 9780890063958

ISBN-10: 1580534694

ISBN-13: 9781580534697

Here's a thorough creation to the most recent advancements in database structures layout awarded from an functions standpoint. that includes contributions from famous specialists within the box, this new publication can pay targeted cognizance to matters raised by means of new developments in database layout, and the way those advancements have an effect on the programmer and database administrator. The authors and editors current options in an intuitive and motivating demeanour, making broad use of examples, and together with lists of references for extra examine with each one bankruptcy.

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The set of entity and relationship types used to observe the state of a domain is the conceptualization of that state. The description, in some language, of that conceptualization, as well as other elements we will see in a moment, is called the ontology of the state, or the conceptual schema of the state. The set formed by the conceptual schema of the state and the conceptual schema of the behavior, which will be described later, is called the conceptual schema. Languages used to define conceptual schemas are called conceptual modeling languages.

1, No. 1, Mar. 1976, pp. 9–36. [15] Chen, P. , Vol. 46, 1977. , “Sobre la evolución reciente de las bases de datos,” Novatica, No. 140, July/Aug. 1999, pp. 5–6. , “Prescription or Description: Some Observations on the Conceptual Modeling Process,” Proc. Intl. Conf. Software Engineering: Education and Practice, 1996. , and W. Premerlani, Object-Oriented Modeling and Design for Database Applications, Upper Saddle River, NJ: Prentice-Hall, 1998. , B. Henderson-Sellers, and H. Younessi, The OPEN Process Specification, New York: ACM Press, 1997.

Therefore, it is also an ontological commitment for the persons that observe and act on that domain. In the IS field, ontologies are called conceptual schemas, and the languages in which they are written are called conceptual modeling languages. As we will see, conceptual models of ISs are much more complex than simply assuming that a domain consists of objects and relationships. A conceptual model assumes that a domain includes other “things,” and also that objects, relationships, and concepts have several properties that must be distinguished.

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Advanced Database Technology and Design by Mario Piattini

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