Difference between revisions of "Constraint"
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[[Category:SDMX 3.0 Structures]] | [[Category:SDMX 3.0 Structures]] | ||
=Data Constraint or Metadata Constraint Overview= | =Data Constraint or Metadata Constraint Overview= | ||
| − | <p>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 | + | <p>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|Data or Metadata Structure Definition]] a [[Data_or_Metadataflow|Data or Metadataflow]], a [[Data_or_Metadata_Provision_Agreement|Provision or Metadata Provision Agreement]], or [[ Data_or_Metadata_Provider|Data or Matadata Provider]]. Collectively these are termed as Constrainable Structures.</p> |
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| + | [[File:Data and Metadata Constraints.PNG|600px]] | ||
==Structure Properties== | ==Structure Properties== | ||
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! scope=row style="text-align: left;" | Item Scheme | ! scope=row style="text-align: left;" | Item Scheme | ||
| − | | [[Item_Scheme|No]] | + | | [[Item_Scheme V11|No]] |
|- | |- | ||
! scope=row style="text-align: left;" | SDMX Information Model Versions | ! scope=row style="text-align: left;" | SDMX Information Model Versions | ||
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[[File:SDMX3 Constraint.png|Constraint|600px]] | [[File:SDMX3 Constraint.png|Constraint|600px]] | ||
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| + | ==Usage== | ||
| + | <p> Constraints can be used to specify a subset of the theoretical content of data set or metadata set which can be derived from the specification of the DSD or MSD. | ||
| + | |||
| + | <p>Each [[Constraint|Constraint]] references a type of Structure and within that type many structures can be constrained.</p> | ||
| + | |||
| + | ==Conventions== | ||
| + | '''Constraint IDs''' | ||
| + | IDs are conventionally uppercase using underscores '_' as separators if required. Examples: | ||
| + | |||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | ! Agency !! Concept Scheme ID !! Description !! SDMX-ML | ||
| + | |- | ||
| + | | ECB || EXR || Periodicity || [https://demo11.metadatatechnology.com/FusionRegistry/sdmx/v2/structure/dataconstraint/ECB/EXR/1.0 SDMX-ML] | ||
| + | |} | ||
Latest revision as of 02:24, 28 March 2024
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 Metadataflow, a Provision or Metadata Provision 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
Usage
Constraints can be used to specify a subset of the theoretical content of data set or metadata set which can be derived from the specification of the DSD or MSD.
Each Constraint references a type of Structure and within that type many structures can be constrained.
Conventions
Constraint IDs IDs are conventionally uppercase using underscores '_' as separators if required. Examples:
| Agency | Concept Scheme ID | Description | SDMX-ML |
|---|---|---|---|
| ECB | EXR | Periodicity | SDMX-ML |
