This paper proposes an approach for migrating existing Relational DataBases (RDBs) into Object-Relational DataBases (ORDBs). The approach is superior to existing proposals as it can generate not only the target schema but also the data instances. The solution takes an existing RDB as input, enriches its metadata representation with required semantics, and generates an enhanced canonical data model, which captures essential characteristics of the target ORDB, and is suitable for migration. A prototype has been developed, which migrates successfully RDBs into ORDBs (Oracle 11g) based on the canonical model. The experimental results were very encouraging, demonstrating that the proposed approach is feasible, efficient and correct.
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About the authors
Abdelsalam Maatuk, M. Akhtar Ali, Nick Rossiter: “Converting Relational Databases into Objectrelational Databases”, in Journal of Object Technology, vol. 9, no. 2, March-April 2010, pp. 145-161 http://www.jot.fm/issues/issue_2010_03/article3/