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Running Head : COMPUTER SCIENCEComputer Science : Relationships in Database SystemsNameUniversityIntroductionLike serviceman kindreds in the real world , modern technology utilizes the building of kins as the infrastructure for data transmission Relationships in figurer acquisition are nearly exactly the same as real familys , associations amidst entities . It is important to note that affinitys are always bifacial , and there is a necessary information flow amongst entities , even in more hierarchal models . A relationship model demonstrates the entities involved , the attributes of the entities , and the relationships between entities within a database ashes (Cor mavinl tear , 2007 . The three basic kinds of relationship models are the one-to- galore(postnominal) relationship , the many-to-many relationship and the one-to-one relationship .

In describing the ways relationships attend in modern technology , it is important to fully comprehend the abstract ideas surrounding the comparative model in impact to figurer scienceRelationship ModelThe relationship model is generally widely support as a common standard for database system molding and was introduced by Chen in 1976 . This modeling technique includes a pictorial representation of entities and their relationships in a database structure . An entity relationship diagram (ERD ) is the use of graphic representations to model database components , and each entity is mapped to a relational table . In the ERD , entities are described as wor ld either an occurrence or a countersink , ! in other words , one unique entity or many similar entities The connectivity between entities is what labels the different types of relationships . In creating an ERD , one of the silk hat kinds of...If you want to get a full essay, instal it on our website: OrderEssay.net

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