physical database design

... Such a design tool would be useful both for initial database design and when a major reconfiguration of the database occurs. A design tool might be used when -the cost of a prospective database ... are affected by the statement. ACM Transactions on Database Systems, Vol. 13, No. 1, March 1988. Physical Database Design for Relational Databases l 103 The notion of ato...

Ngày tải lên: 20/02/2014, 05:21

Ngày tải lên: 11/09/2012, 15:49

... optimize a database system. 144 Module 6: Deriving a Physical Data Design THIS PAGE INTENTIONALLY LEFT BLANK Module 6: Deriving a Physical Data Design 120 Module 6: Deriving a Physical ... in the physical design. Lead-in The many-to-many relationship presents a unique set of issues that must be dealt with in the physical design. Module 6: Deriving a...

Ngày tải lên: 18/10/2013, 19:15

... relational databases. Most databases in use today are relational, and the focus in this book will be to design a relational database. Before we can actually get into relational databases, we ... the ins and outs of E-R diagramming to become expert database designers. Table of Contents Back Cover Comments Table of Contents Database Design Using Entity -Relationship Diagrams Prefa...

Ngày tải lên: 22/10/2013, 10:15

... Relational Database Design and Implementation Dear Reader, I have written this book for you, the database professional, to give you the knowledge and practical steps needed to design and implement database ... Optimization Pro SQL Server 2000 Database Design US $59.99 Shelve in Databases/SQL Server User level: Intermediate–Advanced Davidson Pro SQL Server 2008 Relational Da...

Ngày tải lên: 29/10/2013, 15:15

... time of this writing. Purpose of Database Design What is the purpose of database design? Why the heck should you care? The main reason is that a properly designed database is straightforward to ... major phases of relational database design: conceptual, logical, implementation, and physical. For time and budget reasons, it is often tempting to skip the earlier database design...

Ngày tải lên: 29/10/2013, 15:15

... parts to the overall design picture beyond the needs of the database design that will be part of the con- ceptual design phase (and all follow-on phases), but for this book, the design process will ... what is often a loosely structured conceptual design into a full-fledged relational database design that will be the foundation for the implementation design. During this stage...

Ngày tải lên: 08/11/2013, 21:15

... allow you to uniquely identify every row in your database. One thing of interest here is that what might be considered a natural key in your database is often not actually a natural key in the ... driver’s license number of a person. In the example database, this is a number that every person has (or may need before inclusion in our database, perhaps). However, the value of the driver’s...

Ngày tải lên: 08/11/2013, 21:15

... Builder8Ć28 Overview of Data Modeling and Database Design 8Ć29 Designing the Database The database design stage produces design specifications for a relational database, including definitions for relational ... Complex Data Models and Design Databases course description. Overview of Data Modeling and Database Design 8Ć3 Objectives Before you build your tables, you design...

Ngày tải lên: 10/12/2013, 17:15

... parentheses (#). Overview of Data Modeling and Database Design 8Ć29 Designing the Database The database design stage produces design specifications for a relational database, including definitions for relational ... Data Modeling and Database Design 8 Overview of Data Modeling and Database Design 8Ć23 Integrity Constraints and Keys Ensure that users perform only operatio...

Ngày tải lên: 21/12/2013, 06:17