Beginning Database Design- P22 ppsx

... Databases A standby database is a failover database. A standby database has minimal activity, usually only adding new records, changing existing records, and deleting existing records. Some database ... the realm of database modeling, examining specialized database objects, some brief facts about hardware resources, and finally some specialized database architectures. 401 Advanc...

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

... the extremes of normalization in a relational database. Extreme reduction in a relational database has the opposite effect to that of an object database where everything gets far to complex ... especially in a relational database. After all, a relational structure is not an object structure. Object structures become more simplistic as they are further reduced. Object database reduct...

Ngày tải lên: 03/07/2014, 01:20