Návrh databází Michael J. Hernandez

ISBN: 9788024709000

Published:

Paperback

408 pages


Description

Návrh databází  by  Michael J. Hernandez

Návrh databází by Michael J. Hernandez
| Paperback | PDF, EPUB, FB2, DjVu, AUDIO, mp3, ZIP | 408 pages | ISBN: 9788024709000 | 6.70 Mb

Programmers and software architects dont really make a conscious decision to design an application (particularly one with online exposure) around the three-tier model-view-controller design pattern anymore. Three-tier, largely because of itsMoreProgrammers and software architects dont really make a conscious decision to design an application (particularly one with online exposure) around the three-tier model-view-controller design pattern anymore. Three-tier, largely because of its adaptability and stability, is the norm.

All of which means you need a database to underpin each of your applications. Designing your databases correctly can make the difference between slow-running, complicated code and software thats speedy, modular, and easy to work with.

Database Design for Mere Mortals prepares someone with only a passing familiarity with databases for the important job of building the persistence layer (also called the data model) for software. Michael Hernandez explains database design in tradesmans terms.

That is, he shows his readers how to identify the business problems that have to be satisfied by a database, then proceeds to explain how to build a solid solution to them. Hernandezs approach combines procedural guidelines (first identify critical facts, then apply a certain logic to yield tables, then establish cross-references, and so on) with practical definitions that clear up much of the rich trove of jargon surrounding databases. He walks through numerous examples, and doesnt shy away from the complexities that always exist in real customers requirements.

If youre not familiar with database design, and want to be, this is the book you need. --David WallTopics covered: How to design databases that fit business requirements and make software construction easier. In addition to explaining relational database concepts, the author explains data integrity, null values, keys, table relationships (one-to-one, one-to-many, and many-to-many), and data types.

He emphasizes processes designers should follow in building a new database or improving an existing one.



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