Gambar rajah hubungan entiti yang dipertingkatkan

Gabungan: Phuong Hoang
Resolusi: Individu, Kumpulan
Tempoh: Tidak sampai satu jam

Gambaran keseluruhan


Buat ERD untuk masalah tertentu

Objektif Pembelajaran

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


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