generated: '2026-07-18'
method: searched
source: https://docs.open-metadata.org/latest/api-reference/data-assets
description: >-
  Entity-relationship model for the OpenMetadata metadata graph, derived from the
  API reference data-asset hierarchy and the JSON-schema metadata standard. Every
  entity is addressable by id or fullyQualifiedName, carries owner/tags/domain,
  and exposes a /versions history. Data assets hang off a parent *Service*; the
  governance layer (Glossary, Classification/Tags, Teams/Users, Policies/Roles)
  binds across all assets.
entities:
- name: DatabaseService
  children: [Database]
- name: Database
  belongs_to: DatabaseService
  children: [DatabaseSchema]
- name: DatabaseSchema
  belongs_to: Database
  children: [Table, StoredProcedure]
- name: Table
  belongs_to: DatabaseSchema
  has_many: [Column]
  relationships:
  - {type: has_many, target: Column, via: columns}
  - {type: has_one, target: User, via: owner}
  - {type: has_many, target: Tag, via: tags}
- name: DashboardService
  children: [Dashboard, Chart, DataModel]
- name: Dashboard
  belongs_to: DashboardService
  relationships:
  - {type: has_many, target: Chart, via: charts}
- name: Chart
  belongs_to: DashboardService
- name: PipelineService
  children: [Pipeline]
- name: Pipeline
  belongs_to: PipelineService
- name: MessagingService
  children: [Topic]
- name: Topic
  belongs_to: MessagingService
- name: StorageService
  children: [Container]
- name: Container
  belongs_to: StorageService
- name: MlModelService
  children: [MlModel]
- name: MlModel
  belongs_to: MlModelService
- name: ApiService
  children: [ApiCollection]
- name: ApiCollection
  belongs_to: ApiService
  relationships:
  - {type: has_many, target: ApiEndpoint, via: endpoints}
- name: ApiEndpoint
  belongs_to: ApiCollection
- name: SearchService
  children: [SearchIndex]
- name: Glossary
  children: [GlossaryTerm]
- name: GlossaryTerm
  belongs_to: Glossary
- name: Classification
  children: [Tag]
- name: Tag
  belongs_to: Classification
- name: Team
  relationships:
  - {type: has_many, target: User, via: users}
- name: User
- name: Domain
  children: [DataProduct]
- name: DataProduct
  belongs_to: Domain
cross_cutting:
  lineage: Any data asset links upstream/downstream via the lineage graph (entityLineage).
  ownership: Every entity has an owner (User or Team).
  governance: Tags (Classification), GlossaryTerms, Domains, Policies/Roles apply across all assets.