Beginning Database Design- P17 potx

... ❑ The database model is the backbone of any application that uses data of any kind. That data is most likely stored in some kind of database. That database is likely to be a relational database ... top for this particular database model. Figure 10-25: The online auction house OLTP database model, 3NF, partially denormalized. The only obvious issue still with the database model a...

Ngày tải lên: 03/07/2014, 01:20

... relational database model, and the object database model. In addition, a brief description covered star schemas. This chapter delves deeply into the details of the database warehouse database model. Expanding ... the Object Model Many modern relational databases are, in fact, object-relational databases. An object-relational database is by definition a relational database allowing...

Ngày tải lên: 03/07/2014, 01:20

... brands, 125–126 structure change, 127 database block, 407 database concept, 4–5 database event, 27, 418 database model application, 3, 5–6 decision support databases, 15–16, 407 defined, 3, 407 design importance, ... handled by object database model, 13 database model, 5–6 defined, 3, 404 dependence, minimizing to accommodate changes, 19 as latest evolution of database modeling...

Ngày tải lên: 03/07/2014, 01:20

... guilty. Mishandling Keywords and Categories A common problem in database design is the failure to properly deal with keywords and categories. Many database applications involve data that is categorized ... exists that needs to be understood before any design of a database should proceed further. As you have seen in the previous chapters, databases are often set up to solve one immedia...

Ngày tải lên: 28/03/2014, 09:20

... Microsoft Access database, dBase database, Oracle Database, MySQL, Ingres, or any relational database — it doesn’t matter. All of the coding in this book is written intentionally to be non -database specific, ... Building Fast-Performing Database Models 193 The Needs of Different Database Models 194 Factors Affecting OLTP Database Model Tuning 194 Factors Affecting Client-Server...

Ngày tải lên: 10/04/2014, 09:05