دانلود کتاب طراحی پایگاه داده با استفاده از نمودارهای موجودیت-رابطه

Essential to database design, entity-relationship (ER) diagrams are known for their usefulness in data modeling and mapping out clear database designs. Tey are also well-known for being difcult to master. With Database Design Using Entity-Relationship Diagrams, T ird Edition, database designers, developers, and students preparing to enter the feld can quickly learn the ins and outs of data modeling through ER diagramming.

Building on the success of the bestselling frst and second editions, this accessible text includes a new chapter on the relational model and functional dependencies. It also includes expanded chapters on Enhanced Entity-Relationship (EER) diagrams and reverse mapping. It uses cutting-edge case studies and examples to help readers master database development basics and defnes ER and EER diagramming in terms of requirements (end user requests) and specifcations (designer feedback to those requests), facilitating agile database development.