Erd Diagram Oval. Simak komponen penyusun erd berikut ini. Use cases in a use case diagram can be organized and arranged according to their relevance level of abstraction.
Attribute is represented by the oval shape. The parts of any composite attributes are drawn connected to the oval of the composite attribute and multivalued attributes are shown as double lined ovals. Entities which are represented by rectangles.
Kumpulan objek yang dapat diidentifikasikan secara unik atau saling berbeda.
Entitas adalah objek yang menarik di bidang organisasi yang dimodelkan. The er diagram represents the conceptual level of database design meanwhile the relational schema is the logical level for the database design. In the diagram the information inside the oval shapes are attributes of a particular entity. Persegi panjang adalah bagian dari sebuah database pada sistem informasi penjualan barang.