... 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...
... 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...
... relational databases. Most databases in use
today are relational, and the focus in this book will be to design a relational
database. Before we can actually get into relational databases, we ... students in database classes and to help
database practitioners in understanding how to arrive at a definite, clear
database design using an entity relationship (ER) diagram. In designing a
d...
... ROADMAP
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Davidson
Pro SQL...
... four editions of a book on database design.
Louis’s primary areas of interest are database architecture and coding in
T-SQL, and he has experience designing many databases and writing
thousands ... 2005 Database
Design and Optimization
(Apress, 2006), and Database Benchmarking:
Practical Methods for Oracle & SQL Server
(Rampant, 2007). Kevin contributes
to
SQL Server Magazine an...
... use schemas to group objects in the database with common
themes or even common owners. All objects on the database server can be addressed by knowing
the database they reside in and the schema ... too
confusing).
Multiple files make up a database.
CHAPTER 1
■
INTRODUCTION TO DATABASE CONCEPTS10
8662Ch01.qxp 7/28/08 3:37 PM Page 10
A thorough database design process will undergo...
... allow you to uniquely identify every row in your
database.
One thing of interest here is that what might be considered a natural key in your database is
often not actually a natural key in the ... driver’s license
number of a person. In the example database, this is a number that every person has (or may need
before inclusion in our database, perhaps). However, the value of the driver’s...
... attribute.
Overview of Data Modeling and Database Design 8Ć29
Designing the Database
The database design stage produces design specifications for a relational database,
including definitions for relational ... the database.
D
Redefine integrity constraints.
For more information, see
Develop Complex Data Models and Design Databases course description.
Overview of Data Modeling and D...