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According to ANSI, this approach allows the three perspectives to be relatively independent of each other. Storage technology can change without affecting either the logical or the conceptual schema. The table/column structure can change without (necessarily) affecting the conceptual schema. In each case, of course, the structures must remain consistent across all schemas of the same data model.
=== Data
{{further|Database design}}
[[File:Data modeling context.svg|thumb|360px|Data modeling in the context of [[business process]] integration.<ref name="SS93">Paul R. Smith & Richard Sarfaty (1993). [http://www.osti.gov/energycitations/purl.cover.jsp;jsessionid=6192EDBFBAB7DCED13883C55F221221A?purl=/10160331-YhIRrY/ Creating a strategic plan for configuration management using Computer Aided Software Engineering (CASE) tools.] Paper For 1993 National DOE/Contractors and Facilities CAD/CAE User's Group.</ref>]]
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== Further reading ==
* {{cite thesis
* J.H. ter Bekke (1991). ''Semantic Data Modeling in Relational Environments''▼
|first = Johannes Hendrikus
|last = ter Bekke
|date = 1991-06-04
|title = Semantic Data Modeling in Relational Environments
|degree = PhD
|___location = Technische Universiteit Delft
|url = https://scispace.com/pdf/semantic-data-modeling-in-relational-environments-k59h4x8kip.pdf
|url-status = live
|archive-url = https://web.archive.org/web/20250402180443/https://scispace.com/pdf/semantic-data-modeling-in-relational-environments-k59h4x8kip.pdf
|archive-date= 2025-04-02
|access-date = 2025-04-02
}}
▲<!-- * J.H. ter Bekke (1991). ''Semantic Data Modeling in Relational Environments'' -->
* John Vincent Carlis, Joseph D. Maguire (2001). ''Mastering Data Modeling: A User-driven Approach''.
* Alan Chmura, J. Mark Heumann (2005). ''Logical Data Modeling: What it is and how to Do it''.
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