Database Management System

INTRODUCTION Movie g totallyery is a pic conveyal calculating machine memory located in East Riffa and established in the course of study 1999; it gives their customers the opportunity to take on the latest movies from drollery to action and galore(postnominal) more(prenominal) on DVDs. The calling started off with contract their movies to their subscribers and subsequent on their bloodline expanded to cover changeing the DVDs they rent as well as having a stand to shell out brand new unrivalleds in the same store to both subscribers and other customers. At present, Movie heading rents as lots as 8000 movies to more than 1300 members. Moreover, they anticipate their business to keep growth in the long run and hope that their future plans for this business like branching out thrives. PART ONE Diagrams translation of similarityships and entities FIRST SECOND THIRD: semantic Net forrad: Description of relationships and multiplicity 1.Manages ( faculty and Movies): This Relationship between the supply and the Movies entities signifies that the Staff manages the content of DVDs owned y the Movie trend .The multiplicity is 1..

1 on the Staff spatial relation and 1..* on the Movies side which means that 1 staff manages whiz or all the movies . 2.Has ( Movies and MoviesForRent /MoviesSold) This relationship signifies that the Movies table has / contains twain(prenominal) tables MoviesForRent and MoviesSold. The multiplicity on both sides is 1..* signifyin! g that movies rented and movies sold elicit be at to the lowest degree 1 or can be many just now they both belong to the Movies entity. 3.Supply ( Suppliers and Movies) This relationship between Suppliers and Movies refers to the actual trade over of movies from different providers .The multiplicity on both ends is 1..* signifying that one supplier can supply1 or many movies and that 1 movie can be supplied by 1 or more suppliers. 4.Rented by ( Customers and MoviesForRent ) It refers to the...If you want to get a full essay, couch it on our website: OrderCustomPaper.com

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