Database design

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  • Database Design Using Entity-Diagram of Sikha relationships and Richard Earp Auerbach Publications Bagui © 2003 (242 pages) With this comprehensive guide, database designers and developers can quickly find understand all the ins and outs of ER diagrams to become expert database designers.

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  • Learn effective and scalable database design techniques in a SQL Server environment. Pro SQL Server 2012 Relational Database Design and Implementation covers everything from design logic that business users will understand, all the way to the physical implementation of design in a SQL Server database. Grounded in best practices and a solid understanding of the underlying theory, Louis Davidson shows how to “get it right” in SQL Server database design and lay a solid groundwork for the future use of valuable business data....

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  • This book is intended for IT professionals and students who want to learn how to design, analyze, and understand databases. The material will benefit those who want a better high-level understanding of databases such as proposal managers, architects, project managers, and even customers. The material will also benefit those who will actually design, build, and work with databases such as database designers, database administrators, and programmers.

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  • Beginning Database Design, Second Edition provides short, easy-to-read explanations of how to get database design right the first time. This book offers numerous examples to help you avoid the many pitfalls that entrap new and not-so-new database designers. Through the help of use cases and class diagrams modeled in the UML, you’ll learn to discover and represent the details and scope of any design problem you choose to attack.

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  • When using GUI-based software, we often focus so much on the interface that we forget about the general concepts required to use the software effectively. Access Database Design & Programming takes you behind the details of the interface, focusing on the general knowledge necessary for Access power users or developers to create effective database applications. The main sections of this book include: database design, queries, and programming.

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  • This paper discusses the structure and components of databases for real-world e-commerce systems. We first present an integrated 8-process value chain needed by the e-commerce system and its associated data in each stage of the value chain. We then discuss logical components of a typical e-commerce database system. Finally, we illustrate a detailed design of an e-commerce transaction processing system and comment on a few design considerations specific to e-commerce database systems, such as the primary key, foreign key, outer join, use of weak entity, and schema partition.

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  • Database System: Chapter 6 - Relational Database Design by ER and EERR-to-Relational Mapping presents about ER-to-Relational Mapping Algorithm, Mapping EER Model Constructs to Relations (Options for Mapping Specialization or Generalization, Mapping of Union Types (Categories).

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  • Database Systems: Lecture 11 - Practical Database Design and Tuning presents about Practical Database Design and Tuning (Physical Database Design in Relational Databases, An Overview of Database Tuning in Relational Systems).

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  • Chapter 7 present relational database design by ER and EER-to-Relational mapping. The main contents in this chapter: ER-to-Relational mapping algorithm, mapping EER model constructs to relations. Inviting you to refer.

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  • Chapter 7 discusses how to design a relational database schema based on a conceptual schema design. This chapter presented a high-level view of the database design process, and in this chapter we focus on the logical database design or data model mapping step of database design. We present the procedures to create a relational schema from an Entity-Relationship (ER) or an Enhanced ER (EER) schema.

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  • Before you build your tables, you design your database. In this lesson, you examine the data modeling process and relational database concepts, and define normalization. You also translate an entity relationship model into a relational database design. At the end of this lesson, you should be able to  Describe the stages of system development.  List and define basic types of data relationships.  Define a relational database and its components.  Read an entity relationship model.  Translate an entity relationship model into a relational database design....

    pdf40p minhthanh 12-08-2009 164 30   Download

  • Everyone keeps data. Big organizations spend millions to look after their payroll, customer, and transaction data. The penalties for getting it wrong are severe: businesses may collapse, shareholders and customers lose money, and for many organizations (airlines, health boards, energy companies), it is not exaggerating to say that even personal safety may be put at risk. And then there are the lawsuits. The problems in successfully designing, installing, and maintaining such large databases are the subject of numerous books on data management and software engineering.

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  • I often ask myself, “Why do I do this? Why am I writing another edition of this book? Is it worth it? Isn’t there anything else that I could be doing that would be more beneficial to me, my family, or the human race? Well, of course there is. The fact is, however, I generally love relational databases, I love to write, and I want to help other people get better at what they do. When I was first getting started designing databases, I learned from a few great mentors, but as I wanted to progress, I started looking for material on database design, and...

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  • This is the exercise book to accompany the present author's An Introduction to Relational Database Theory. With two exceptions, these exercises are copies of those given at the ends of Chapters 1-7 of that book. The exercises using Rel given with some of those chapters are also included. The first exception is Exercise 7 for Chapter 7, which I have replaced by a precise, detailed specification for a comprehensive database design. The second is a set of additional exercises using Rel, exploring virtual relvars and user-defined type definitions....

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  • NLFE to databases have failed in a commercial context, largely because of two reasons. Current approaches to the management of ambiguity by relying on inference over a world model create ungoing customisation requirements. Furthermore the design of NLFEs is subject to constraints which research in CL/ NLP does not address. In particular, standard parsing techniques (including "robust" ones) require complete lexica and cannot be deployed because new data would create a constant need for dictionary update.

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  • Database Systems: Lecture 2 - Entity-Relationship Model includes What is ER Model? And Why? Overview of Database Design Process, Example COMPANY Database, ER Model Concepts, ER Diagram, Alternative Diagrammatic Notations, Problems with ER Models.

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  • Database Systems: Lecture 4 - Relational Data Model and ER-/EER-to-Relational Mapping provides about Relational Data Model, ER-/EER-to-Relational Mapping, Relational Integrity Constraints, Update Operations on Relations, Main Phases of Database Design.

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  • Database Systems: Lecture 10 - Overview of Database Design Process includes Data Storage (Disk Storage Devices, Files of Records, Operations on Files, Unordered Files, Ordered Files, Hashed Files, RAID Technology), Indexing Structures for Files.

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  • Chapter 11 present the contents: Designing a set of relations, properties of relational decompositions, algorithms for relational database schema, multivalued dependencies and fourth normal form, join dependencies and fifth normal form, inclusion dependencies, other dependencies and normal forms.

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