ER ModelsERM ReferencesERM Anthologies
Model No.87
Short Citation (Moody 1997)
Year 1997
Special Name
Descendant of Information Engineering
ConstructsInherent Entity Type X
Relationship Type sg: cardinality, optionality
Value Sets / Attributes X
NewInventedAdaptedsubject areas
Included
BorrowedIncluded
Added
Syntactic Rules Each entity type is assigned to one subject area.
Semanticsinformal
Focus
Data Definition
Data Manipulation
Remarks
CauseCitationOn of the ... limitations of the Entity Relationship Model is its inability to cope with the size and complexity of data models encountered in real world situations (p. 184).
ContentExpressiveness
ApplicabilityX
Correction
Integration
Implementation
Other
Alternative Publications
Binary Vector Structure/General [E1]
[E2] m
[E3] i
[E4]
[E5]
[E6]
Structure/Integrity [E7] m
[E8]
[E9]
[E10] 1
[E11] 0
[E12] 1
[E13] m
[E14] i
[E15] 1
[E16]
Behavior [E17]
[E18]
Application [E19]
[E20]
[E21]
[E22]
[E23]
[E24]
[E25]
[E26]
[E27]
Domain-Specifics [E28]
[E29]
[E30]
[E31]
[E32]
[E33]
Expressiveness Values Total 0.24
Data Model 0.44
Application 0.00
Domain Specifics 0.00
Partially Redundant Constructs Conjunctive Concepts S
Linked Concepts
Copyright(a) Susanne Patig, 2005