... COP 4710: Database Systems (Day 3) Page 1 Mark Llewellyn
COP 4710: Database Systems
Spring 2004
Introduction to Database Systems – Part 2
BÀI 2, 1/2 ngày
School of Electrical ... well-designed database produces,
in an efficient way, a system that provides the
correct information for the decision-making
process to succeed.
Database Design (cont.)
COP 4710: Database Sys...
... Database Systems (Day 5) Page 29 Mark Llewellyn
Correspondence of E-R & UML Class Diagrams
Entity sets and attributes
customer
customer-name
customer-id
customer-street
customer-city
E-R ... COP 4710: Database Systems (Day 5) Page 1 Mark Llewellyn
COP 4710: Database Systems
Spring 2004
Introduction to Data Modeling – Part 2
BÀI 5, 1 ngày
COP 4710: Database Systems
Spr...
... G}
) -) %
COP 4710: Database Systems (Day 10) Page 1 Mark Llewellyn
COP 4710: Database Systems
Spring 2004
Introduction to Normalization
BÀI 10, ½ ngày
COP 4710: Database Systems
Spring ... detail.
Temporal relational databases and certain categories of
spatial databases fall into the N1NF category.
)) ),)%
COP 4710: Datab...
... (cont.)
COP 4710: Database Systems (Day 11) Page 1 Mark Llewellyn
COP 4710: Database Systems
Spring 2004
Introduction to Normalization – Part 2
BÀI 11, 1 ngày
COP 4710: Database Systems
Spring ...
dependencies are preserved.
Preservation of the Functional Dependencies (cont.)
COP 4710: Database Systems (Day 11) Page 14 Mark Llewellyn
Algorithm for Testing the Preservat...
... $
}A,B,C,D{D
G
=
+
COP 4710: Database Systems (Day 12) Page 1 Mark Llewellyn
COP 4710: Database Systems
Spring 2004
Introduction to Normalization – Part 3
BÀI 12, 1/2 ngày
COP 4710: Database Systems
Spring ... schemas than algorithm 3NF.1.
COP 4710: Database Systems (Day 12) Page 15 Mark Llewellyn
•
The algorithm given on page 14 of Day 11 notes for...