Data Modeling - One-to-many / May-to-one Relationship [Gerardnico]
Conceptual ERDs can be used as the foundation for logical data models. are characteristics of an entity, a many-to-many relationship, or a one-to-one. In systems analysis, a one-to-many relationship is a type of cardinality that refers to the relationship between two entities A and B in which an element of A may. Relationship cardinality can be of three types: one-to-many, one- to-one, A diagram depicting a logical data model is known as an entity-relational diagram.
Demasiado temperano. Слишком рано.
Слишком рано. Беккер беззвучно выругался. Уже два часа утра.