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Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Object-Role Modeling Workbook: Data Modeling Exercises using ORM and NORMA

Object-Role Modeling Workbook: Data Modeling Exercises using ORM and NORMA

Paperback

General Computers

Publisher Price: $39.95

ISBN10: 1634621042
ISBN13: 9781634621045
Publisher: Technics Publications
Published: Jan 29 2016
Pages: 202
Weight: 0.95
Height: 0.60 Width: 7.40 Depth: 9.20
Language: English

Object-Role Modeling (ORM) is a fact-based approach to data modeling that expresses the information requirements of any business domain simply in terms of objects that play roles in relationships. All facts of interest are treated as instances of attribute-free structures known as fact types, where the relationship may be unary (e.g. Person smokes), binary (e.g. Person was born on Date), ternary (e.g. Customer bought Product on Date), or longer. Fact types facilitate natural expression, are easy to populate with examples for validation purposes, and have greater semantic stability than attribute-based structures such as those used in Entity Relationship Modeling (ER) or the Unified Modeling Language (UML).

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