Class: Constraints

URI: frictionless:Constraints

 classDiagram
    class Constraints
      Constraints : pattern
        
          Constraints --> None : pattern
        
      Constraints : required
        
      Constraints : unique
        
      

Slots

Name	Cardinality and Range	Description	Inheritance
required	0..1 Boolean		direct
pattern	0..1 String		direct
unique	0..1 Boolean		direct

Usages

used by	used in	type	used
Field	constraints	range	Constraints

Identifier and Mapping Information

Schema Source

• from schema: https://w3id.org/linkml/frictionless

Mappings

Mapping Type	Mapped Value
self	frictionless:Constraints
native	frictionless:Constraints

LinkML Source

Direct

```yaml name: Constraints from_schema: https://w3id.org/linkml/frictionless slots: - required - pattern - unique

</details>

### Induced

<details>
```yaml
name: Constraints
from_schema: https://w3id.org/linkml/frictionless
attributes:
  required:
    name: required
    from_schema: https://w3id.org/linkml/frictionless
    rank: 1000
    slot_uri: linkml:required
    alias: required
    owner: Constraints
    domain_of:
    - Constraints
    range: boolean
  pattern:
    name: pattern
    from_schema: https://w3id.org/linkml/frictionless
    rank: 1000
    slot_uri: linkml:pattern
    alias: pattern
    owner: Constraints
    domain_of:
    - Constraints
  unique:
    name: unique
    from_schema: https://w3id.org/linkml/frictionless
    rank: 1000
    slot_uri: linkml:identifier
    alias: unique
    owner: Constraints
    domain_of:
    - Constraints
    range: boolean