Mapa mental
Enhanced ERD
Contenido del mapa
Enhanced ERD
Subtype
Supertype
Disjointness constraint
- Disjoint rule
- an supertype can be only one of the subtypes
- Overlap rule
- At any given type, an suptertype can simultaneously be two or more subtypes
- Disjoint rule
Business Rules
- Derivation
- Structural assertion
- Action assertion
Información
- Descripción
- 7 Database Design Mapa Mental sobre Enhanced ERD, creado por Lingyun song el 17/06/2016.
- Creado por
- Lingyun song
- Visitas
- 3
- Valoración