181
click to vote
ER
15 years 10 months ago
1994 Springer 
A normal form object-oriented entity relationship (OOER) diagram is presented to address a set of 00 data modelling issues, viz. the inability to judge the quality of an 00 schema,...
150
click to vote
ER
15 years 10 months ago
1994 Springer 
A logical database schema, e.g. a relational one, is an implementation of a speci cation, e.g. an entity-relationship diagram. Upcoming new data models and the necessity of seamle...
126
click to vote
ER
15 years 10 months ago
1994 Springer 
Abstract. As information systems are increasingly being called upon to play vital roles in organizations, conceptual modelling techniques need to be extended to relate information ...
|
Database