Module 7-hw7.docx HW7 Advanced Database Management System Module 7: HW7 SQL vs SQL++
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Module 7-hw7.docx HW7 Advanced Database Management System Module 7: HW7 SQL vs SQL++ SQL vs SQL ++ Object-Role Modeling (ORM) is an approach for modeling and querying information at the conceptual level, and for transforming ORM models and queries to or from other representations. Unlike attribute-based approaches such as Entity-Relationship (ER) modeling and class modeling within the Unified Modeling Language (UML), ORM is fact-oriented, where all facts and rules are modeled in terms of natural sentences easily understood and validated by nontechnical business users. Object-Role Modelling (ORM) is a fairly new approach to modeling data at the conceptual level. Unlike attribute-based approaches like UML or ER modeling, ORM is a fact-oriented approach where all facts and rules are modeled in terms of natural sentences (Halpin, 2010, p. 33) ORM Approach (Conceptual Level) To illustrate the conceptu
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