Chapter 6 described ORN Additive, which extends the SQL Server RDBMS with ORN. Chapter 7 described OR+, which extends the Object Store ODBMS with ORN. Both chapters presented an example of an ORN-extended class diagram that modeled a company database. Chapters 6 and 7 also gave DDLs that implemented the model as an ORN-extended RDBMS and ORN-extended ODBMS, respectively.
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© 2009 Springer-Verlag US
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Ehlmann, B.K. (2009). Mapping Database Models to DDLs. In: Object Relationship Notation (ORN) for Database Applications. Advances in Database Systems, vol 39. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-09554-7_8
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