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Image of Database systems : a practical approach to design, implementation, and management 6th ed

Text

Database systems : a practical approach to design, implementation, and management 6th ed

Connolly, Thomas - ; Begg, Carolyn - ;

The history of database research over the past 30 years is one of exceptional
productivity that has led to the database system becoming arguably the most
important development in the field of software engineering. The database is now
the underlying framework of the information system and has fundamentally
changed the way many organizations operate. In particular, the developments
in this technology over the last few years have produced systems that are more
powerful and more intuitive to use. This development has resulted in increasing availability of database systems for a wider variety of users. Unfortunately,
the apparent simplicity of these systems has led to users creating databases and
applications without the necessary knowledge to produce an effective and efficient system. And so the “software crisis” or, as it is sometimes referred to, the
“software depression” continues.
The original stimulus for this book came from the authors’ work in industry,
providing consultancy on database design for new software systems or, as often as
not, resolving inadequacies with existing systems. In addition, the authors’ move to
academia brought similar problems from different users—students. The objectives
of this book, therefore, are to provide a textbook that introduces the theory behind
databases as clearly as possible and, in particular, to provide a methodology for
database design that can be used by both technical and nontechnical readers.
The methodology presented in this book for relational Database Management
Systems (DBMSs)—the predominant system for business applications at present—
has been tried and tested over the years in both industrial and academic
environments. It consists of three main phases: conceptual, logical, and physical
database design. The first phase starts with the production of a conceptual data
model that is independent of all physical considerations. This model is then refined
in the second phase into a logical data model by removing constructs that cannot
be represented in relational systems. In the third phase, the logical data model is
translated into a physical design for the target DBMS. The physical design phase
considers the storage structures and access methods required for efficient and
secure access to the database on secondary storage.


Ketersediaan

Call NumberLocationAvailable
005. 74 CON dPSB lt.1 - B. Wajib9
PenerbitBoston: Pearson Education 2015
Edisi6
SubjekDatabase System
ISBN/ISSN9781292061184
Klasifikasi005. 74
Deskripsi Fisik1329 p. : ill. ; 26 cm
Info Detail Spesifik-
Other Version/RelatedTidak tersedia versi lain
Lampiran BerkasTidak Ada Data

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