Difference between revisions of "External schema"
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Revision as of 17:54, 16 February 2023
An External schema (also called view schema) is created with the intention to deal with how the end users of a system "view" the data. Thus "external" is differentiated here from the conceptual and internal schemas. This is inline with the Three schema approach which is also applied in the [Three tier architecture and a proven and widespread way of designing systems.