By Terry Halpin
All proper evidence, constraints and derivation ideas are expressed in managed normal language sentences which are intelligible to clients within the company area being modelled. this permits ORM information versions to be verified by way of company area specialists who're unusual with ORM’s graphical notation. For the knowledge modeler, ORM’s graphical notation covers a wider variety of constraints than may be expressed in business ER or UML classification diagrams, and therefore permits wealthy visualization of the underlying semantics.
Written as a sequel to the author’s prior e-book Object-Role Modeling Fundamentals, this booklet in brief reports the basics of ORM, after which discusses extra issues comparable to version stories new release, vocabulary glossaries, relational mapping ideas, annotated relational schemas, schema optimization, and knowledge modeling styles. Written in easy-to-understand language, it illustrates every one subject with uncomplicated examples, and explains the right way to use the freeware NORMA device to enforce the guidelines mentioned. The booklet additionally contains many sensible workouts to advertise services within the recommendations lined, with solutions supplied to the entire workout questions.
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Extra info for Object-Role Modeling Workbook: Data Modeling Exercises using ORM and NORMA
Object-Role Modeling Workbook: Data Modeling Exercises using ORM and NORMA by Terry Halpin