Crow

Running Head : COMPUTER SCIENCEComputer Science : Relationships in Database SystemsNameUniversityIntroductionLike affinitys in the real world , modern technology utilizes the structure of races as the infrastructure for data transmission Relationships in computer conversance argon nearly exactly the same as true(prenominal) alliances , associations mingled with entities . It is important to note that kins argon al ways bidirectional , and there is a necessary information flow between entities , even in more hierarchal presents . A relationship model demonstrates the entities involved , the attributes of the entities , and the relationships between entities within a database musical comedy arrangement (Cor superstarl Rob , 2007 . The three basic kinds of relationship models are the iodin-to-many relationship , the man y-to-many relationship and the one-to-one relationship .

In describing the ways relationships turn in modern technology , it is important to richly date the conceptual ideas surrounding the relational model in feign to computer scienceRelationship ModelThe relationship model is generally astray back up as a common warning for database system stamp and was introduced by Chen in 1976 . This framework technique includes a graphical representation of entities and their relationships in a database structure . An entity relationship diagram (ERD ) is the use of graphic representations to model database componen ts , and each entity is mapped to a relation! al table . In the ERD , entities are described as being either an occurrence or a bushel , in other words , one unique entity or many similar entities The connectivity between entities is what labels the contrastive types of relationships . In creating an ERD , one of the best kinds of...If you want to get a full essay, tack together it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper