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10 апреля 2009 | Автор: Admin | Рубрика: Компьютерная литература » Програм-ние и разработка » Databases and SQL | Комментариев: 0
Database Design Using Entity-Relationship Diagrams (Foundations of Database Design, 1)
TF-ARBCH | ISBN: 0849315484 | 264 pages | June 27, 2003 | PDF | 3 Mb
Entity-relationship (E-R) diagrams are time-tested models for database development well-known for their usefulness in mapping out clear database designs. Also commonly known is how difficult it is to master them. With this comprehensive guide, database designers and developers can quickly learn all the ins and outs of E-R diagramming to become expert database designers. Because E-R diagrams are so fundamental to database design, this book is also an indispensable text for teaching computer science students the basics of database development. Database Design Using Entity-Relationship Diagrams clarifies E-R diagramming by defining it in terms of requirements (end user requests) and specifications (designer feedback to those requests). The book explains how open communication between designers and end users is critical to developing usable, easy-to-understand E-R diagrams that model both requirements and specifications. The authors explain, in an intuitive, informal manner, how to develop an E-R diagram, how to map it to a database, and how the resulting database can be tested. This definitive guide is a basic component for any database course, and is also an invaluable reference that database professionals can use throughout their careers.
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