Entity relationship diagram ppt slides

entity relationship diagram ppt slides

In This Lecture. Entity/Relationship models. Entities and Attributes; Relationships; Attributes; E/R Diagrams. For more information. Connolly and Begg chapter Designs are pictures called entity-relationship diagrams. Later: convert E/R designs to relational DB designs. 3. Framework for E/R. Design is a serious business. Physical DB design. Internal data structures and file organizations for DB are specified. 3. Overview of Database Design. Conceptual design: (ER Model is used.


- настаивал бармен. - Fino. Jerez.

entity relationship diagram ppt slides

Откуда-то сверху накатывали приглушенные волны классической музыки.