Difference between revisions of "Constraint"

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(Usage)
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<p>Each [[Dataflow|Dataflow]] references a single DSD which describes the structure of the dataset that the Dataflow represents.</p>
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<p>Each [[Constraint|Constraint]] references a type of Structure aand within that type many structures can be constrained.</p>

Revision as of 01:23, 30 August 2022

Data Constraint or Metadata Constraint Overview

A SDMX Data or Metadata Constraint provides the ability to further restrict the allowable content of a Codelist in the context of a Data or Metadata Structure Definition, a Data or Metadata flow, a Provision or Metadata Agreement, or Data or Matadata Provider. Collectively these are termed as Constrainable Structures.

Structure Properties

Structure Type Standard SDMX Structural Metadata Artefact
Maintainable Yes
Identifiable Yes
Item Scheme No
SDMX Information Model Versions 3.0
URN - DataConstraint namespace urn:sdmx:org.sdmx.infomodel.datastructure.DataConstraint

Context within the SDMX 3.0 Information Model

Constraint

Usage

Constraints (DSDs) are used to ???????:

Each Constraint references a type of Structure aand within that type many structures can be constrained.