Entity relationship model in dbms ppt

entity relationship model in dbms ppt

ER model is used to show the Conceptual schema of an organisation. Independent of specific data model or DBMS; The model is later transformed into a. Chapter 2: Entity-Relationship Model Entity Sets Relationship Sets Design Issues Mapping Constraints Keys E-R Diagram Extended E-R. Chapter 6: ER – Entity Relationship Diagram. Major components of ER diagram; Practices. Yan Huang - ER. 2. ER. proposed by Peter Chen; ER diagram.

entity relationship model in dbms ppt

Панк замер. Его парализовало от страха.

entity relationship model in dbms ppt

- Adonde fue? - снова прозвучал вопрос. - Американец.

entity relationship model in dbms ppt

- В… аэропорт.