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Unit 13: Building the Analysis Model




                                                                                                Notes



                                  Automobile           Person
                                     Make             Birthday
                                    Model              Height
                                   Body type           Weight
                                     Price            Expertise
                                     Color





              Task  Explain what are the aims which are achieved by modeling?

          13.1.2 Relationship

          1.   Connectedness
          2.   A fact that must be remembered by the system and cannot or is not computed or derived
               (a)  Several instance of a relationship can exist

               (b)  Entity can be related in many ways

                                         own



          13.1.3 Cardinality and Multiplicity




                                             own



                             Automobile                     Person
                                Make                       Birthday
                               Model                        Height
                              Body type                    Weight
                                Price                      Expertise
                                Color



















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