![]() there are three basic elements in an er diagram: entity, attribute, relationship. ![]() entity relationship diagram (erd) symbols and notations. ![]() In the diagram, the information inside the oval shapes are attributes of a particular entity. an erd contains different symbols and connectors that visualize two important information: the major entities within the system scope, and the inter relationships among these entities. Entity relationship diagram, also known as erd, er diagram or er model, is a type of structural diagram for use in database design. attributes: facts that describe each table. common classifications are concepts, locations, roles, events, and things. An entity relationship diagram (erd) illustrates how different entities (such as customers and products) relate to each other in a database. they are created when a new system is being designed so that the development team can understand how to structure the database. people, customers, or other objects) relate to each other in an application or a database. ![]() Erd Penjualan Mobil Editable Entity Relationship Diagram ImagesĪn entity relationship diagram (erd) is a type of diagram that lets you see how different entities (e.g.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |