Class: ForeignKey

Foreign-key constraint linking field(s) in this resource to field(s) in another resource.

URI: fts:ForeignKey

 classDiagram
    class ForeignKey
    click ForeignKey href "../ForeignKey/"
      ForeignKey : fields
        
      ForeignKey : reference
        
          
    
        
        
        ForeignKey --> "1" ForeignKeyReference : reference
        click ForeignKeyReference href "../ForeignKeyReference/"
    

        
      

Slots

Name	Cardinality and Range	Description	Inheritance
fields	1..* String	Field name(s) in this resource that participate in the key	direct
reference	1 ForeignKeyReference	The target of the reference	direct

Usages

used by	used in	type	used
TableSchema	foreignKeys	range	ForeignKey

Identifier and Mapping Information

Schema Source

• from schema: https://specs.frictionlessdata.io/table-schema

Mappings

Mapping Type	Mapped Value
self	fts:ForeignKey
native	fts:ForeignKey

LinkML Source

Direct

```yaml name: ForeignKey description: Foreign-key constraint linking field(s) in this resource to field(s) in another resource. from_schema: https://specs.frictionlessdata.io/table-schema attributes: fields: name: fields description: Field name(s) in this resource that participate in the key. from_schema: https://specs.frictionlessdata.io/table-schema domain_of: - TableSchema - ForeignKey - ForeignKeyReference range: string required: true multivalued: true reference: name: reference description: The target of the reference. from_schema: https://specs.frictionlessdata.io/table-schema rank: 1000 domain_of: - ForeignKey range: ForeignKeyReference required: true inlined: true

</details>

### Induced

<details>
```yaml
name: ForeignKey
description: Foreign-key constraint linking field(s) in this resource to field(s)
  in another resource.
from_schema: https://specs.frictionlessdata.io/table-schema
attributes:
  fields:
    name: fields
    description: Field name(s) in this resource that participate in the key.
    from_schema: https://specs.frictionlessdata.io/table-schema
    alias: fields
    owner: ForeignKey
    domain_of:
    - TableSchema
    - ForeignKey
    - ForeignKeyReference
    range: string
    required: true
    multivalued: true
  reference:
    name: reference
    description: The target of the reference.
    from_schema: https://specs.frictionlessdata.io/table-schema
    rank: 1000
    alias: reference
    owner: ForeignKey
    domain_of:
    - ForeignKey
    range: ForeignKeyReference
    required: true
    inlined: true