Er Model. An entity type has an independent existence within a database. An entity relationship model or er model describes interrelated things of interest in a specific domain of knowledge a basic er model is composed of entity types which classify the things of interest and specifies relationships that can exist between entities instances of those entity types.
At view level the er model is considered a good option for designing databases. It also develops a very simple and easy to design view of data. An entity is a thing or object in real world that is distinguishable from surrounding environment.
Er model stands for an entity relationship model.
Er model stands for entity relationship model is a high level conceptual data model diagram. It also develops a very simple and easy to design view of data. An entity relationship er diagram is a type of flowchart that illustrates how entities such as people objects or concepts relate to each other within a system. The er model represents real world entities and the relationships between them.
