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Last modified by Artur on 2025/09/13 19:50
From version 2.1
edited by Helena
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To version 7.1
edited by Helena
on 2025/09/10 11:19
Change comment: Migrated property [LightLLMprompt] from class [SKMS.Methodology.Code.MethodologyClass]

Summary

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Title
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1 -SDMX 3.1 Standards. Section 1. Summary of major changes and new functionality
1 +SDMX 3.1 Standards. Section 1. Summary of Major Changes and New Functionality
Tags
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1 +Artefact|Constraint|Data source|Data structure definition|Dataflow|Dimension|Maintenance agency|Provision agreement|Reference metadata|Release policy - release calendar|Statistical data and metadata exchange|Version
Content
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16 16  **Information Model**
17 17  
18 18  * Support for [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]] to reference a subset of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] from a [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]
19 -* Simplification to Data (% style="color:#e74c3c" %)Constraints
20 -* Addition of Availability (% style="color:#e74c3c" %)Constraints
19 +* Simplification to Data (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]]
20 +* Addition of Availability (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]]
21 21  
22 22  **Documentation**
23 23  
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25 25  
26 26  **Breaking Changes**
27 27  
28 -* Remove (% style="color:#e74c3c" %)version(%%) property on Categorisation
28 +* Remove (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) property on Categorisation
29 29  * Removal of Advanced [[Release Calendar>>doc:sdmx:Glossary.Release policy - release calendar.WebHome]]
30 30  
31 31  **Content of the Document**
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42 42  
43 43  = 2. Summary of Breaking Changes in 3.1 =
44 44  
45 -(% style="color:#e74c3c" %)Version(%%) 3.1 introduces breaking changes, in the model in the following areas:
45 +Version 3.1 introduces breaking changes, in the model in the following areas:
46 46  
47 47  == 2.1 Removal of Advanced Release Calendar ==
48 48  
49 -The Data (% style="color:#e74c3c" %)Constraint(%%) was simplified to become a cohesive structural [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] focussed solely on the restriction of values that can be reported. As part of this remodelling the Advanced [[Release Calendar>>doc:sdmx:Glossary.Release policy - release calendar.WebHome]] was removed as it does not play a restrictive role.
49 +The Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) was simplified to become a cohesive structural [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] focussed solely on the restriction of values that can be reported. As part of this remodelling the Advanced [[Release Calendar>>doc:sdmx:Glossary.Release policy - release calendar.WebHome]] was removed as it does not play a restrictive role.
50 50  
51 51  //Guidance for Implementors//
52 52  [[Reference Metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] reported against a [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] and / or [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] can be used as an alternative to the Advanced [[Release Calendar>>doc:sdmx:Glossary.Release policy - release calendar.WebHome]].
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53 53  
54 54  == 2.2 Removal of Version on Categorisation ==
55 55  
56 -The Categorisation structural [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] has no use case for undergoing (% style="color:#e74c3c" %)version(%%) changes, the (% style="color:#e74c3c" %)version(%%) was therefore removed.
56 +The Categorisation structural [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] has no use case for undergoing (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) changes, the (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) was therefore removed.
57 57  
58 58  //Guidance for Implementors//
59 -If multiple (% style="color:#e74c3c" %)versions(%%) of a Categorisation exist where the source or target differs, these Categorisations should be given a unique ID.
59 +If multiple (% style="color:#e74c3c" %)[[versions>>doc:sdmx:Glossary.Version.WebHome]](%%) of a Categorisation exist where the source or target differs, these Categorisations should be given a unique ID.
60 60  
61 61  = 3. Information Model =
62 62  
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63 63  The changes to the information model support two distinct use cases:
64 64  
65 65  1. Horizontally complex [[Data Structure Definitions>>doc:sdmx:Glossary.Data structure definition.WebHome]] (DSDs)
66 -1. Additional cohesion to the Data (% style="color:#e74c3c" %)Constraints(%%) model
66 +1. Additional cohesion to the Data (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) model
67 67  
68 68  These changes are described in below.
69 69  
70 70  == 3.1 Horizontally Complex Data Structure Definitions ==
71 71  
72 -An explanation of this use case, with additional details can be found under Section 6 - Technical Notes, under heading ‘10.3 [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%)’.
72 +An explanation of this use case, with additional details can be found under Section 6 - Technical Notes, under heading ‘10.3 [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%)’.
73 73  
74 74  The following changes to the model have been made to satisfy this use case.
75 75  
76 76  **Data Structure Definition**
77 77  
78 -The [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] has a new ‘evolving structure’ property, this is a Boolean property, when set to ‘true’ it indicates to the users of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that new [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] may be added without the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] undergoing a change to its major (% style="color:#e74c3c" %)version(%%) number.
78 +The [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] has a new ‘evolving structure’ property, this is a Boolean property, when set to ‘true’ it indicates to the users of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that new [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] may be added without the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] undergoing a change to its major (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) number.
79 79  
80 80  **Dataflow**
81 81  
82 -The [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] has a new [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) property, which is used to reference a subset of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] which it uses from the referenced [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
82 +The [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] has a new [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) property, which is used to reference a subset of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] which it uses from the referenced [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
83 83  
84 -The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) fixes the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] of the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] enabling the referenced [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] to have new [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added without the need to change the major (% style="color:#e74c3c" %)version(%%) number.
84 +The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) fixes the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] of the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] enabling the referenced [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] to have new [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added without the need to change the major (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) number.
85 85  
86 -The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) property is only required if the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] sets the evolving structure property to true.
86 +The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) property is only required if the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] sets the evolving structure property to true.
87 87  
88 88  == 3.2 Constraint Cohesion ==
89 89  
90 -The (% style="color:#e74c3c" %)Constraint(%%) model in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.1 has been made more cohesive by separating the Data (% style="color:#e74c3c" %)Constraint(%%) into two distinct structures; the Data (% style="color:#e74c3c" %)Constraint(%%) which describes reporting restrictions, and the Availability (% style="color:#e74c3c" %)Constraint(%%), which describes data content from a [[data source>>doc:sdmx:Glossary.Data source.WebHome]]. In [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.0 these distinctions were made using the ‘type’ property on a Data (% style="color:#e74c3c" %)Constraint(%%).
90 +The (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) model in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.1 has been made more cohesive by separating the Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) into two distinct structures; the Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) which describes reporting restrictions, and the Availability (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%), which describes data content from a [[data source>>doc:sdmx:Glossary.Data source.WebHome]]. In [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.0 these distinctions were made using the ‘type’ property on a Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%).
91 91  
92 -**Data Constraint**
92 +**Data [[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]]**
93 93  
94 -The Data (% style="color:#e74c3c" %)Constraint(%%) has had the ‘type’ property removed; the Data (% style="color:#e74c3c" %)Constraint(%%) in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.1 is always used to describe restrictions on content for data reporting purposes.
94 +The Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) has had the ‘type’ property removed; the Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.1 is always used to describe restrictions on content for data reporting purposes.
95 95  
96 -The attachment of the Data (% style="color:#e74c3c" %)Constraint(%%) in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.0 included [[Data Sources>>doc:sdmx:Glossary.Data source.WebHome]], in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.1 these attachments have been removed as these are not relevant for restricting reported data.
96 +The attachment of the Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.0 included [[Data Sources>>doc:sdmx:Glossary.Data source.WebHome]], in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.1 these attachments have been removed as these are not relevant for restricting reported data.
97 97  
98 -**Availability Constraint**
98 +**Availability [[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]]**
99 99  
100 -The Availability (% style="color:#e74c3c" %)Constraint(%%) is a new Structure introduced to describe data that exists, it is generated in the response to the Availability REST API. It is not a maintained structure, and as such has no [[maintenance agency>>doc:sdmx:Glossary.Maintenance agency.WebHome]], identity or (% style="color:#e74c3c" %)version
100 +The Availability (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is a new Structure introduced to describe data that exists, it is generated in the response to the Availability REST API. It is not a maintained structure, and as such has no [[maintenance agency>>doc:sdmx:Glossary.Maintenance agency.WebHome]], identity or (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]]
SUZ.Methodology.Code.MethodologyClass[0]
SKMS.Methodology.Code.MethodologyClass[0]