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	<id>https://wiki.sdmxcloud.org/index.php?action=history&amp;feed=atom&amp;title=Constraint</id>
	<title>Constraint - Revision history</title>
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	<updated>2026-05-05T03:13:54Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.sdmxcloud.org/index.php?title=Constraint&amp;diff=6220&amp;oldid=prev</id>
		<title>Vmurrell: /* Data Constraint or Metadata Constraint Overview */</title>
		<link rel="alternate" type="text/html" href="https://wiki.sdmxcloud.org/index.php?title=Constraint&amp;diff=6220&amp;oldid=prev"/>
		<updated>2023-09-12T15:41:45Z</updated>

		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Data Constraint or Metadata Constraint Overview&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 15:41, 12 September 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:SDMX Structures]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:SDMX Structures]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=Data Constraint or Metadata Constraint Overview=&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=Data Constraint or Metadata Constraint Overview=&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;p&amp;gt;A SDMX Data or Metadata Constraint provides the ability to further restrict the allowable content of a Codelist in the context of a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[[Data_or_Metadata_Structure_Definition|&lt;/del&gt;Data or Metadata Structure Definition&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;]] &lt;/del&gt;a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[[Data_or_Metadataflow|&lt;/del&gt;Data or Metadataflow&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;]]&lt;/del&gt;, a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[[Data_or_Metadata_Provision_Agreement|&lt;/del&gt;Provision or Metadata Provision Agreement&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;]]&lt;/del&gt;, or &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[[ Data_or_Metadata_Provider|&lt;/del&gt;Data or &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Matadata &lt;/del&gt;Provider]]. Collectively these are termed as Constrainable Structures.&amp;lt;/p&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;p&amp;gt;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 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Metadata &lt;/ins&gt;Provider]]. Collectively these are termed as Constrainable Structures.&amp;lt;/p&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Data and Metadata Constraints.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;PNG&lt;/del&gt;|600px]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Data and Metadata Constraints.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;png&lt;/ins&gt;|600px]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Structure Properties==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Structure Properties==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vmurrell</name></author>
		
	</entry>
	<entry>
		<id>https://wiki.sdmxcloud.org/index.php?title=Constraint&amp;diff=6218&amp;oldid=prev</id>
		<title>Vmurrell: Created page with &quot;Category:SDMX Structures =Data Constraint or Metadata Constraint Overview= &lt;p&gt;A SDMX Data or Metadata Constraint provides the ability to further restrict the allowable con...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.sdmxcloud.org/index.php?title=Constraint&amp;diff=6218&amp;oldid=prev"/>
		<updated>2023-09-12T15:39:24Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&lt;a href=&quot;/Category:SDMX_Structures&quot; title=&quot;Category:SDMX Structures&quot;&gt;Category:SDMX Structures&lt;/a&gt; =Data Constraint or Metadata Constraint Overview= &amp;lt;p&amp;gt;A SDMX Data or Metadata Constraint provides the ability to further restrict the allowable con...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Category:SDMX Structures]]&lt;br /&gt;
=Data Constraint or Metadata Constraint Overview=&lt;br /&gt;
&amp;lt;p&amp;gt;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.&amp;lt;/p&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[File:Data and Metadata Constraints.PNG|600px]]&lt;br /&gt;
&lt;br /&gt;
==Structure Properties==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! scope=row style=&amp;quot;text-align: left;&amp;quot; | Structure Type &lt;br /&gt;
| Standard SDMX Structural Metadata Artefact&lt;br /&gt;
|-&lt;br /&gt;
! scope=row style=&amp;quot;text-align: left;&amp;quot;  | Maintainable&lt;br /&gt;
| [[Maintainable_V11|Yes]]&lt;br /&gt;
|-&lt;br /&gt;
! scope=row style=&amp;quot;text-align: left;&amp;quot;  | Identifiable&lt;br /&gt;
| [[Identifiable V11|Yes]]&lt;br /&gt;
|-&lt;br /&gt;
! scope=row style=&amp;quot;text-align: left;&amp;quot;  | Item Scheme&lt;br /&gt;
| [[Item_Scheme V11|No]]&lt;br /&gt;
|-&lt;br /&gt;
! scope=row style=&amp;quot;text-align: left;&amp;quot;  | SDMX Information Model Versions &lt;br /&gt;
| 3.0&lt;br /&gt;
|-&lt;br /&gt;
! scope=row style=&amp;quot;text-align: left;&amp;quot;  | URN - DataConstraint namespace&lt;br /&gt;
| &amp;lt;nowiki&amp;gt;urn:sdmx:org.sdmx.infomodel.datastructure.DataConstraint&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
==Context within the SDMX 3.0 Information Model==&lt;br /&gt;
&lt;br /&gt;
[[File:SDMX3 Constraint.png|Constraint|600px]]&lt;br /&gt;
&lt;br /&gt;
==Usage==&lt;br /&gt;
&amp;lt;p&amp;gt; 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.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;p&amp;gt;Each [[Constraint|Constraint]] references a type of Structure and within that type many structures can be constrained.&amp;lt;/p&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Conventions==&lt;br /&gt;
'''Constraqint IDs'''&lt;br /&gt;
IDs are conventionally uppercase using underscores '_' as separators if required. Examples:&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
! Agency !! Concept Scheme ID !! Description !! SDMX-ML&lt;br /&gt;
|-&lt;br /&gt;
| ECB || EXR || Periodicity || [https://demo11.metadatatechnology.com/FusionRegistry/sdmx/v2/structure/dataconstraint/ECB/EXR/1.0 SDMX-ML]&lt;br /&gt;
|}&lt;/div&gt;</summary>
		<author><name>Vmurrell</name></author>
		
	</entry>
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