Graphical Notation - Data Warehouse Systems: Design and Implementation - page 579

Section

Se m ester
Year
Homepage (0,1)

Weak entity type
(with attributes and partial identifiers shown)

cardinalities

(0,n) (1,n)

Participate

name

Relationship type
(short description)

cardinalities

(0,n) (1,n)

Participate

name

StartDate
EndDate
Salary

attributes

Relationship type
(with attributes shown)

(0,n) (1,n)

CouSec

Identifying relationship type
(short description)

(0,n) (1,n)

CouSec

Semester
Year
Identifying relationship type
(with attributes shown)

Customer
CustomerId
CustomerName
CustomerAddress
BranchName

supertype

Person
ProfessionName
ClassName

Company
TypeName
SectorName

subtypes

Generalization/specialization
relationship type