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Data Modelling Concepts
Reconciling Different User Views
3 other sections not shown
areas building task business function carried out surgery club CODASYL database computer system data access models data administrator data analysis exercise data dictionary data item DATA PERSON DATA data requirements data structure database design DBMS decisions defined definitions denoted entity occurrence derived attribute described detailed diagnosis doctor documented E-R diagram employee entity goal entity type entity-relationship entity-relationship diagram Entity-relationship modelling given global view GVDM hierarchical hierarchical database hospital Ian Botham implemented implicit data model information system investigating task Kevin Keegan logical lumbago many-to-many relationship many-to-one relationship meal ment network database one-to-many one-to-one organization patient possible entity problems produce questions raw data real world redundant data relationships and attributes relevance represented retrieval Roger Staubach sales order set of entity single record type specified stage stored subsystems systems design third normal form TOWN DATA update user view usually UVDM Washington Redskins
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