Database Design by Ryan K. Stephens Ronald R. Plew pdf

[...]... Database Design Tools C Database Design Checklists 465 Planning Database Design 466 Gathering Information to Design the Database 467 463 xi Modeling Entity Relationships 471 Physical Design Considerations 471 Security Considerations 472 Legacy Database Redesign Considerations 473 Evaluating the Completeness of Stages in the Database Life Cycle 473 D Sample Database Designs... of Database Design IN THIS PART Chapter 1, “Understanding Database Fundamentals,” begins by defining a database and explaining database- related concepts Terminology is briefly covered in this chapter that will be used throughout the remainder of the book This chapter also discusses the trademarks of a well-designed database Chapter 2, “Exploration of Database Models,” discusses the main types of database. .. with focus on the relational database model This chapter also discusses the selection of a particular database model, as well as the selection of database software Chapter 3, Database Design Planning,” defines database design and explains the importance of design At this point, the reader understands the basic fundamentals of databases and is ready to begin thinking about design This chapter discusses... preparing for a design project, as far as devising a work plan, designating a design team, assigning tasks, selecting a design methodology, and using an Automated Design (AD) tool Chapter 4, “The Database Design Life Cycle,” discusses common database methodologies in detail, such as the traditional and Barker methods This chapter also covers key processes involved in the design of a database such as... cycle of a database, referring to change management that is covered in more detail later in the book PART I CHAPTER Understanding Database Fundamentals 1 IN THIS CHAPTER • What Is a Database? 11 • Database Environments 14 • From Where Does a Database Originate? • What Elements Comprise a Database? • Does the Database Have Integrity? • Key Database Design Concepts 29 • What Makes a Good Database? 31... 26 22 18 10 Overview of Database Design PART I Before designing a database, it is important to understand the basic fundamentals of databases and how they are used Everyone uses databases on a regular basis, some manual and others automated The reasons databases are used are important, as these reasons help determine how to begin designing a database for a particular business Database environments are... application design Before getting into design, it is also important to understand the hallmarks of a good database The following points are commonly used to determine the quality of a database: the database s storage ability, data protection and security, data accuracy, database performance, and data redundancy Understanding Database Fundamentals CHAPTER 1 What Is a Database? A legacy database is simply a database. .. 354 Proceeding with Database Design 357 Constructing an ERD 358 Constructing Process Models 366 Designing Tables 369 Defining Constraints 377 Designing Views 378 Summary 380 Life After Design 381 15 Implementing Database Security 383 How Is Security Important to Database Design? 384 Who Needs Access to the Database? 385 Levels... from a broad perspective when designing a database A database environment consists of the hardware and operating system platform on which the database resides A database environment also includes a means through which the user can access the database, such as a network The database environment can help determine what type of database model should be used, and how the database will be implemented and... that a database designer must understand before plunging into the seemingly bottomless pit of a major corporate database design effort This chapter covers those basic concepts and will, if understood, forge a path toward the successful design of a database Some key concepts discussed in this chapter are • Business elements used to define a database • Basic database elements • Data integrity • Design . Clapp PROJECT EDITOR Carol Bowers COPY EDITORS Rhonda Tinch-Mize Bart Reed Mary Ellen Stephenson INDEXER Bill Meyers PROOFREADER Katherin Bidwell TECHNICAL EDITORS James Drover Beth Boal Kai Soder TECHNICAL. on the market lack adequate visual presentation. The authors of this book are either current or former university-level instructors. Our experience is that a hands-on and visual approach aids. any trademark or service mark. Warning and Disclaimer Every effort has been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied. The information