External schema: Difference between revisions
Jump to navigation
Jump to search
(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...") |
No edit summary |
||
| Line 1: | Line 1: | ||
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. | ||
[[File:Schichtenarchitektur.svg]] | |||
[[Category:DBIS-VL]] | [[Category:DBIS-VL]] | ||
Revision as of 15:56, 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.
