Database Modeling & Design Fourth Edition- P1 pptx
Database Modeling & Design Fourth Edition- P1 pptx
... Teorey.book Page iv Saturday, July 16, 2005 12:57 PM
Database Modeling & Design Fourth Edition- P9 pptx
... integrity constraint has
become integral to relational database design and is usually implied as
requirements for the resulting relational database implementation.
(Chapter 5 discusses the SQL ... also be written in another form, using an arrow
(->) in a kind of shorthand called a functional dependency. For example:
emp-id, project-name -> mgr-id
where emp-id is the key (unique...
Database Modeling & Design Fourth Edition- P15 pptx
... entities. Object-oriented design provides arguably a
better way to model this situation [Muller, 1999].
4.3.4 Example of Data Modeling: Company Personnel and
Project Database
ER Modeling of Individual ... transitivity
Project
located-in
located-in
City
City
lives-in
works-in
belongs-to
works-on
*
*
*
*
1
*
*
1
1
1
1
1
Teorey.book Page 59 Saturday, July 16, 2005 12:57 PM
4.3 Conceptual...
Database Modeling & Design Fourth Edition- P16 pptx
... model is transformed to SQL tables.
In summary, the application of the ER model to relational database
design offers the following benefits:
• Use of an ER approach focuses end users’ discussions ... follow easily from real-world require-
ments.
4.4 View Integration
A critical part of the database design process is step II(b), the integration
of different user views into a unified,...
Database Modeling & Design Fourth Edition- P47 pptx
... here).
select cust_name, cust_num, credit_level
from customer
where address = 'Enterprise'
and credit_level > 7
order by cust_name asc;
customer name customer number credit level
Bones ... number.
select c.*, o.*
from customer as c, order as o
where c.cust_num = o.cust_num
and c.credit_level < 7
order by cust_no asc;
cust. no. cust. name address credit level order no. item...
Database Modeling & Design Fourth Edition- P48 pptx
... o.cust_num
from order as o
where o.item_num = any
(select i.item_num
from item as i
where i.price > 1000));
customer name
Khan
Kirk
Scotty
Sulu
Uhura
3. Which customers have not ordered any ... of SQL
(select o.cust_num
from order as o, item as i
where o.item_num = i.item_num
and i.price > 100);
customer name
Bones
4. Which customers have only ordered items weighing more than
1...
Database Modeling & Design Fourth Edition- P57 pptx
... illustration, 150
bus, 164
CASE tool modeling, 207–9
core requirements, 149–51
defined, 148
dimensional data modeling,
152–54
dimensional design process, 156
dimensional modeling example,
156–65
fact ... 148
Denormalization, 8
Descriptors, 15
Design patterns, 204
DeZign for Databases, 190
Dimensional data modeling, 152–54
example, 156–65
process, 156
See also Data modeling
Dimens...
Database Modeling & Design Fourth Edition- P2 ppsx
... Database Modeling
& Design:
Logical Design
Fourth Edition
TOBY TEOREY
SAM LIGHTSTONE
TOM NADEAU
AMSTERDAM • BOSTON ... Cerra
Publishing Services Manager Simon Crump
Editorial Assistant Asma Stephan
Cover Design Yvo Riezebos Design
Cover Image Getty Images
Composition Multiscience Press, Inc.
Technical Illustration ... CA 94111
This book is printed on acid-free paper.
© 2006...
Database Modeling & Design Fourth Edition- P3 doc
... available to
help design the most efficient databases. This book is devoted to the
logical design methodologies and tools most popular for relational
databases today. Physical design methodologies ... Tools for Logical Database Design 187
9.1 Introduction to the CASE Tools 188
9.2 Key Capabilities to Watch For 191
9.3 The Basics 192
9.4 Generating a Database from a Design 196
9....
Database Modeling & Design Fourth Edition- P4 ppsx
... the
approach to designing large relational databases by reducing the
Teorey.book Page 6 Saturday, July 16, 2005 12:57 PM
1.2 The Database Life Cycle 3
1.2 The Database Life Cycle
The database life ... requirements
Physical design
Logical design
Implementation
Teorey.book Page 4 Saturday, July 16, 2005 12:57 PM
1.2 The Database Life Cycle 5
b.View integration. Usually, when the d...
Từ khóa:
- hvac systems design handbook fourth edition
- systems analysis and design with uml version 2 0 fourth edition
- whats new in the fourth edition
- fundamentals of machine component design 5th edition
- fundamentals of machine component design 4th edition
- fundamentals of machine component design 5th edition solutions
- fundamentals of machine component design 5th edition pdf
- fundamentals of machine component design 5th edition solutions scribd
- fundamentals of machine component design 5th edition solution manual pdf