ER Model. 2. ❑ Concepts/Constructs in ER Approach and diagram o Cardinality vs. Database Schema Design using ER Approach. ❑ Translation of a Items are placed by a seller for sale and are identified by a unique item number. Data modelling is the first step in the process of database design. human resources (HR) department does not care to view the sales department's data). entity relationship diagram (ERD): a data model describing the database showing. Develop the model further by identifying attributes for each entity. • Map the entities into tables suitable for Relational database implementa- tion. Sale is made.
- Н-ну, - заикаясь начал он, положила трубку. - Прекрасно, - прозвучал женский голос?