Data architecture: Difference between revisions

Revision as of 16:37, 25 November 2024

Revision as of 12:26, 11 June 2025

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During the definition of the target state, the data architecture breaks a subject down to the atomic level and then builds it back up to the desired form. The data architect breaks the subject down by going through three traditional architectural stages:

* Conceptual - represents all [[Business_objectBusiness object|business entities]].

* Logical - represents the logic of how entities are related.

* Physical - the realization of the data mechanisms for a specific type of functionality.

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The "data" column of the [[Zachman Framework]] for enterprise architecture –

{| class="wikitable"

{| border=1

|'''! Layer''' ||!! '''View''' ||!! '''Data (Whatwhat)''' ||!! '''Stakeholder'''

|-

|1 || '''Scope/Contextualcontextual''' || List of things and architectural standards<ref>[https://web.archive.org/web/20160305023946/http://www.strins.com/data-architecture-standards.html Data Architecture Standards]</ref> important to the business || Planner

|-

|2||'''Business Modelmodel/Conceptualconceptual''' || Semantic model or [[Conceptual_schema|Conceptual schema|conceptual]]/[[Enterpriseenterprise data model]] || Owner

|-

|3||'''System Modelmodel/Logicallogical''' || Enterprise/[[Logicallogical data model]] || Designer

|-

|4||'''Technology Modelmodel/Physicalphysical''' || [[Physical data model]] || Builder

|-

|5||'''Detailed Representationsrepresentations''' || Actual [[database]]s || Developer

|}