Author: Giorgio AusielloPublisher: Springer Science & Business Media
ISBN: 9783540171874
Category : Computers
Languages : en
Pages : 456
Book Description
ICDT'86
Author: Giorgio AusielloPublisher: Springer Science & Business Media
ISBN: 9783540171874
Category : Computers
Languages : en
Pages : 456
Book Description
Dissertation Abstracts International
Author: Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 752
Book Description
A Guided Tour of Relational Databases and Beyond
Author: Mark LevenePublisher: Springer Science & Business Media
ISBN: 0857293494
Category : Computers
Languages : en
Pages : 632
Book Description
Addressing important extensions of the relational database model, including deductive, temporal, and object-oriented databases, this book provides an overview of database modeling with the Entity-Relationship (ER) model and the relational model. The book focuses on the primary achievements in relational database theory, including query languages, integrity constraints, database design, computable queries, and concurrency control. This reference will shed light on the ideas underlying relational database systems and the problems that confront database designers and researchers.
SIAM Journal on Computing
Author: Society for Industrial and Applied MathematicsPublisher:
ISBN:
Category : Electronic data processing
Languages : en
Pages : 704
Book Description
The Nested Universal Relation Database Model
Author: Mark LevenePublisher: Springer Science & Business Media
ISBN: 9783540554936
Category : Computers
Languages : en
Pages : 196
Book Description
This monograph describes a method of data modelling whose basic aim is to make databases easier to use by providing them with logical data independence. To achieve this, the nested UR (universal relation) model is defined by extending the classical UR model to nested relations. Nested relations generalize flat relations and allow hierarchically structured objects to be modelled directly, whereas the classical UR model allows the user to view the database as if it were composed of a single flat relation. The author presents a comprehensive formalisation of the nested relational model, which incorporated null values into the model. Functional data dependencies and the classical notion of lossless decomposition are extended to nested relations and an extended chase procedure is defined to test the satisfaction of the data dependencies. The nested UR model is defined, and the classical UR model is shown to be a special case of the nested model.This implies that an UR interface canbe implemented by using the nested UR model, thus gaining the full advantages of nested relations over flat relations.
Advances in Database Systems
Author: J. ParedaensPublisher: Springer
ISBN: 3709127041
Category : Computers
Languages : en
Pages : 377
Book Description
Advanced information technology is pervasive in any kind of human activity - science, business, finance, management and others - and this is particularly true for database systems. Both database theory and database applications constitute a very important part of the state of the art of computer science. Meanwhile there is some discrepancy between different aspects of database activity. Theoreticians are sometimes not much aware of the real needs of business and industry; software specialists not always have the time or the apportunity to get acquainted with the most recent theoretical ideas and trends, as well as with advanced prototypes arising from these ideas; potential users often do not have the possibility of evaluating the theoretical foundations and the potential practical impact of different commercial products. So the main goal of the course was to put together people involved in different aspects of database activity and to promote active exchange of ideas among them.
Data and Knowledge Bases
Author: Catriel BeeriPublisher: Morgan Kaufmann
ISBN: 9780934613958
Category : Computers
Languages : en
Pages : 438
Book Description
Proceedings of the meeting held in Jerusalem, Israel, June, 1988. Thirty papers represent a cross ssection of the many facets of contemporary database research and provide an up-to-date account of activities of some of the leading companies in the database field. Covers: knowledge-based application
Dependencies in Relational Databases
Author: Bernhard ThalheimPublisher: Vieweg+teubner Verlag
ISBN:
Category : Computers
Languages : en
Pages : 224
Book Description
Entity-Relationship Modeling
Author: Bernhard ThalheimPublisher: Springer Science & Business Media
ISBN: 3662040581
Category : Computers
Languages : en
Pages : 640
Book Description
This book is a comprehensive presentation of entity-relationship (ER) modeling with regard to an integrated development and modeling of database applications. It comprehensively surveys the achievements of research in this field and deals with the ER model and its extensions. In addition, the book presents techniques for the translation of the ER model into classical database models and languages, such as relational, hierarchical, and network models and languages, as well as into object-oriented models.
Author: