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HandWiki. Object-Relational Impedance Mismatch. Encyclopedia. Available online: https://encyclopedia.pub/entry/29754 (accessed on 17 September 2026).
HandWiki. Object-Relational Impedance Mismatch. Encyclopedia. Available at: https://encyclopedia.pub/entry/29754. Accessed September 17, 2026.
HandWiki. "Object-Relational Impedance Mismatch" Encyclopedia, https://encyclopedia.pub/entry/29754 (accessed September 17, 2026).
HandWiki. (2022, October 18). Object-Relational Impedance Mismatch. In Encyclopedia. https://encyclopedia.pub/entry/29754
HandWiki. "Object-Relational Impedance Mismatch." Encyclopedia. Web. 18 October, 2022.
Object-Relational Impedance Mismatch
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The content is sourced from: https://handwiki.org/wiki/Object-relational_impedance_mismatch

The object-relational impedance mismatch is a set of conceptual and technical difficulties that are often encountered when a relational database management system (RDBMS) is being served by an application program (or multiple application programs) written in an object-oriented programming language or style, particularly because objects or class definitions must be mapped to database tables defined by a relational schema. The term object-relational impedance mismatch is derived from the electrical engineering term impedance matching.

multiple application relational database impedance mismatch

References

  1. A classification of object-relational impedance mismatch. Ireland, Christopher; Bowers, David; Newton, Mike and Waugh, Kevin (2009). A classification of object-relational impedance mismatch. In: First International Conference on Advances in Databases, Knowledge, and Data Applications (DBKDA), 1-6 Mar 2009, Cancun, Mexico. http://oro.open.ac.uk/18644/
  2. C. J. Date, Relational Database Writings
  3. Date, Christopher ‘Chris’ J; Pascal, Fabian (2012-08-12) [2005], "Type vs. Domain and Class" (World Wide Web log), Database debunkings, Google, http://dbdebunk.blogspot.com.br/2012/08/type-vs-domain-and-class.html, retrieved 12 September 2012 .
  4.     (2006), "4. On the notion of logical difference", Date on Database: writings 2000–2006, The expert’s voice in database; Relational database select writings, United States of America: Apress, p. 39, ISBN 978-1-59059-746-0, "Class seems to be indistinguishable from type, as that term is classically understood" . https://www.wikipedia.org/wiki/United%20States%20of%20America
  5.     (2004), "26. Object/Relational databases", An introduction to database systems (8th ed.), Pearson Addison Wesley, p. 859, ISBN 978-0-321-19784-9, https://archive.org/details/introductiontoda0000date/page/859, "...any such rapprochement should be firmly based on the relational model" .
  6. Date, Christopher ‘Chris’ J; Darwen, Hugh, "2. Objects and Relations", The Third Manifesto, "The first great blunder" 
  7. Neward, Ted (2006-06-26). "The Vietnam of Computer Science". Interoperability Happens. http://blogs.tedneward.com/post/the-vietnam-of-computer-science/. Retrieved 2010-06-02. 
  8. Johnson, Rod (2002). J2EE Design and Development. Wrox Press. p. 256. https://archive.org/details/expertoneononej200rodj. 
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