Cardinality :: Tip o' The Day

A quick tip o’ the day. I also posted this answer on WikiAnswers for the question, “What is the cardinality of a data type eg integer?“ “Cardinality is the total number of unique occurrences of an entity (e.g. person, organization, or transaction) that can be included in a relationship. A URI/URL, e-mail, phone number should... Continue reading →