Enhanced entity relationship diagram

Tổng quat

Bàn thắng

Draw an ERD for a given problem

Mục tiêu học tập

- Understand use of supertype/subtype relationships - Use specialization and generalization techniques - Specify completeness and disjointness constraints - Develop supertype/subtype hierarchies for realistic business situations

Bối cảnh

This is addressed for students who want to develop an enhanced ERD for the system. Before learning this, students must have background knowledge on logical database design and be able to draw an ERD