Data Modeling Essentials: Analysis, Design, and Innovation
Data Modeling Essentials is a comprehensive guide to data modeling for commercial information systems. Data modeling is presented as a design activity which offers opportunities for creativity and innovation.
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What Is Data Modeling?
The Entity Relationship Approach
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allocated allow application approach basic BCNF Branch business rules business specialists candidate key Chapter Client Code columns combination common complex concepts constraints corporate data model corporate model creativity data flow diagrams data management data structure database management systems Date definition delete determinant documentation Drug Name Drug Short Name Employee Number enforce entity instance example Fifth Normal Form Figure foreign key function model handle hierarchy Hospital Number identify implement information systems involved Item logical database design look look-up table many-to-many relationships nonkey nontransferable normal form one-to-many relationships one-to-one relationships Operation Number option organization performance Person physical database designer Policy primary key problem program logic Qualification real world record redundancy relational database relational model repeating group represent requirements result Salesperson specify stable Structured Keys subtypes and supertypes Surgeon Number surrogate keys technique third normal form transferable update users weak entity