Difference between revisions of "External schema"
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(Created page with "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 f...") |
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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 | 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 [https://en.wikipedia.org/wiki/Three-schema_approach Three schema approach] which is also applied in the [[https://en.wikipedia.org/wiki/Multitier_architecture#Three-tier_architecture Three tier architecture] and a proven and widespread way of designing systems. | conceptual and internal schemas. This is inline with the [https://en.wikipedia.org/wiki/Three-schema_approach Three schema approach] which is also applied in the [[https://en.wikipedia.org/wiki/Multitier_architecture#Three-tier_architecture Three tier architecture] and a proven and widespread way of designing systems. | ||
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[[Category:DBIS-VL]] | [[Category:DBIS-VL]] |
Revision as of 16:56, 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.