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Changes for page 8 Constraints

Last modified by Artur on 2025/09/10 11:19
From version 1.1
edited by Helena
on 2025/05/26 11:07
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To version 3.1
edited by Helena
on 2025/05/26 11:45
Change comment: There is no comment for this version

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1 +{{box title="**Contents**"}}
2 +{{toc/}}
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2 2  
3 3  == 8.1 Introduction ==
4 4  
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23 23  
24 24  The attachable (% style="color:#e74c3c" %)constraint(%%) is used to define “cube slices” which identify sub sets of data in terms of [[series keys>>doc:sdmx:Glossary.Series key.WebHome]] or [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values. The purpose of this is to enable metadata to be attached to the (% style="color:#e74c3c" %)constraint(%%), and thereby to the cube slices defined in the (% style="color:#e74c3c" %)Constraint(%%). The metadata can be attached via the “[[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]]” mechanism – [[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] and [[Metadata Set>>doc:sdmx:Glossary.Metadata set.WebHome]] – or via a Group in the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. Below is snippet of the schema for a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that shows the constructs that enable the (% style="color:#e74c3c" %)Constraint(%%) to referenced from a Group in a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
25 25  
26 -[[image:1747836776695-806.jpeg]]
28 +[[image:1748248970469-631.png]]
27 27  
28 28  **Figure 9: Extract from the SDMX-ML Schema showing reference to Attachment Constraint**
29 29  
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146 146  
147 147  In the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] common [[code lists>>doc:sdmx:Glossary.Code list.WebHome]] are used and the requirement is to restrict these at various (% style="color:#e74c3c" %)levels(%%) to specify the actual [[code>>doc:sdmx:Glossary.Code.WebHome]] that are valid for the object to which the Content (% style="color:#e74c3c" %)Constraint(%%) is attached.
148 148  
149 -[[image:1747855493531-357.png]]
151 +[[image:1748249001970-773.png]]
150 150  
151 151  **Figure 10: Example Scenario for Constraints**
152 152  
153 153  (% style="color:#e74c3c" %)Constraints(%%) are declared as follows:
154 154  
155 -[[image:1747855462293-368.png]]
157 +[[image:1748249024975-276.png]]
156 156  
157 157  **Figure 11: Example Content Constraints**
158 158  
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192 192  
193 193  __DSD Constraint__
194 194  
195 -[[image:1747836776698-720.jpeg]]
197 +[[image:1748249060184-684.png]]
196 196  
197 -__[[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] (% style="color:#e74c3c" %)Constraints(%%)__
199 +__Dataflow Constraints__
198 198  
199 -[[image:1747836776701-360.jpeg]]
200 200  
201 -[[image:1747836776707-834.jpeg]]
202 +[[image:1748249096448-329.png]]
202 202  
204 +[[image:1748249111945-807.png]]
205 +
203 203  __Provision Agreement Constraint__
204 204  
205 -[[image:1747836776710-262.jpeg]]
208 +
209 +[[image:1748249134379-722.png]]
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