Database Management System

INTRODUCTION Movie g totallyery is a celluloid conveyal calculator memory located in East Riffa and established in the course of study 1999; it gives their customers the opportunity to split the latest movies from japery to action and galore(postnominal) more(prenominal) on DVDs. The calling started off with lease their movies to their subscribers and subsequent on their job expanded to cover changeing the DVDs they rent as well as having a stand to carry on brand new unitys in the same store to devil subscribers and other customers. At present, Movie heading rents as a good deal 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 rendering of social intercourseships and entities FIRST SECOND THIRD: semantic Net ahead: Description of relationships and multiplicity 1.Manages ( faculty and Movies): This Relationship between the module and the Movies entities signifies that the Staff manages the content of DVDs owned y the Movie art gallery .The multiplicity is 1..

1 on the Staff spatial relation and 1..* on the Movies side which means that 1 staff manages single 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 m ultiplicity on both sides is 1..* signifying! that movies rented and movies sold elicit be at least 1 or can be many unless they both belong to the Movies entity. 3.Supply ( Suppliers and Movies) This relationship between Suppliers and Movies refers to the actual wad 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, modulate it on our website: OrderCustomPaper.com

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