Refining the initial design by introducing relationships
{"Image DocumentName": "Refining the initial design by introducing relationships", "Image ImageDescription": "The initial design is typically not complete. Some aspects in the requirements will be represented as relationships. ER model has three main concepts: Entities (and their entity types and entity sets) Attributes (simple, composite, multivalued) Relationships (and their relationship types and relationship sets) We introduce relationship concepts next.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}