Storage Retrieval

Download Database Systems: A Practical Approach to Design, by Thomas M. Connolly PDF

By Thomas M. Connolly

This best-selling textual content introduces the speculation at the back of databases in a concise but complete demeanour, offering database layout method that may be utilized by either technical and non-technical readers. The technique for relational Database administration structures is offered in uncomplicated, step by step directions together with a lifelike labored instance utilizing 3 specific phases—conceptual, logical, and actual database design.

Background: Introduction to Databases; Database setting; Database Architectures and the net. The Relational version and Languages: The Relational version; Relational Algebra and Relational Calculus; SQL: information Manipulation; SQL: facts Definition; Query-By-Example (QBE). Database research and layout: Database process Lifecycle; Database research and the DreamHome Case research; Entity–Relationship Modeling; stronger Entity–Relationship Modeling; Normalization; complex Normalization. Methodology: Methodology—Conceptual Database layout; Methodology—Logical Database layout for Relational version; Methodology—Physical Database layout for Relational Databases; Methodology—Monitoring and Tuning the Operational method. Selected Database concerns: Security and management; expert, felony, and moral matters; Transaction administration; question Processing. Distributed DBMSs and Replication: Distributed DBMSs—Concepts and layout; allotted DBMSs—Advanced strategies; Replication and cellular Databases. Object DBMSs: Object-Oriented DBMSs—Concepts and layout; Object-Oriented DBMSs—Standards and Languages; Object-Relational DBMSs. Web and DBMSs: Web know-how and DBMSs; Semistructured info and XML. Business Intelligence applied sciences: Data Warehousing ideas; information Warehousing layout; OLAP; facts Mining. Appendices: Users' requisites Specification for DreamHome Case learn; different Case reviews; substitute information Modeling Notations; precis of the Database layout method for Relational Databases; creation to Pyrrho—A Liteweight RDBMS. Web Appendices: File association and garage buildings; while Is a DBMS Relational?; advertisement DBMSs: entry and Oracle; Programmatic SQL; Estimating Disk area requisites; advent to Object-Orientation; instance net Scripts.

This booklet is perfect for readers drawn to database administration or database layout.

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Extra info for Database Systems: A Practical Approach to Design, Implementation, and Management

Sample text

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 QBE language is demonstrated using Microsoft Office Access. Appendix N covers the Third Generation DBMS Manifestos. Appendix O covers Postgres, an early Object-Relational DBMS. 1. Corrections and Suggestions As a textbook of this size is vulnerable to errors, disagreements, omissions, and confusion, your input is solicited for future reprints and editions. uk Acknowledgments This book is the outcome of our many years of work in industry, research, and academia. It is difficult to name everyone who has helped us in our efforts.

The chapter describes the basic concepts associated with dimensionality modeling and compares this technique with traditional Entity–Relationship (ER) modeling. It also describes and demonstrates a step-by-step methodology for designing a data warehouse using worked examples taken from an extended version of the DreamHome case study. The chapter concludes by describing how to design a data warehouse using the Oracle Warehouse Builder. Chapter 33 describes Online Analytical Processing (OLAP). It discusses what OLAP is and the main features of OLAP applications.

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