Tag: database

  • Database: relationship degree and cardinality

    Database: relationship degree and cardinality

    The degree of a relationship is different from the degree of a relation (table). Both definitions are likely to get mixed up and cause confusion. We have to consider both of these characteristics known as “degree” and “cardinality” of Separately. 1. in a relation (table) i) Degree – Number of fields (columns) in relation. ii) Cardinality – number…