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Changes for page 8 Constraints

Last modified by Artur on 2025/09/10 11:19
From version 6.1
edited by Artur
on 2025/05/27 15:50
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To version 1.2
edited by Helena
on 2025/05/26 11:17
Change comment: Update document after refactoring.

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1 -{{box title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 += 8 Constraints =
4 4  
5 5  == 8.1 Introduction ==
6 6  
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25 25  
26 26  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]].
27 27  
28 -[[image:1748248970469-631.png]]
26 +[[image:1747836776695-806.jpeg]]
29 29  
30 30  **Figure 9: Extract from the SDMX-ML Schema showing reference to Attachment Constraint**
31 31  
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148 148  
149 149  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.
150 150  
151 -[[image:1748249001970-773.png]]
149 +[[image:1747855493531-357.png]]
152 152  
153 153  **Figure 10: Example Scenario for Constraints**
154 154  
155 155  (% style="color:#e74c3c" %)Constraints(%%) are declared as follows:
156 156  
157 -[[image:1748249024975-276.png]]
155 +[[image:1747855462293-368.png]]
158 158  
159 159  **Figure 11: Example Content Constraints**
160 160  
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194 194  
195 195  __DSD Constraint__
196 196  
197 -[[image:1748249060184-684.png]]
195 +[[image:1747836776698-720.jpeg]]
198 198  
199 -__Dataflow Constraints__
197 +__[[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] (% style="color:#e74c3c" %)Constraints(%%)__
200 200  
199 +[[image:1747836776701-360.jpeg]]
201 201  
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201 +[[image:1747836776707-834.jpeg]]
203 203  
204 -[[image:1748249111945-807.png]]
205 -
206 206  __Provision Agreement Constraint__
207 207  
208 -
209 -[[image:1748249134379-722.png]]
205 +[[image:1747836776710-262.jpeg]]
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