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Last modified by Helena K. on 2026/06/08 15:16
From version 25.39
edited by Helena K.
on 2026/06/03 14:04
Change comment: There is no comment for this version
To version 27.2
edited by Helena K.
on 2026/06/03 14:17
Change comment: There is no comment for this version

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64 64  
65 65  * **[[Reference Metadata>>doc:sdmx:Glossary 2\.1.Reference metadata.WebHome]]**: In addition to describing and specifying data structures and formats (along with related [[structural metadata>>doc:sdmx:Glossary 2\.1.Structural metadata.WebHome]]), the version 2.0 specification also provides for the exchange of metadata which is distinct from the [[structural metadata>>doc:sdmx:Glossary 2\.1.Structural metadata.WebHome]] in the 1.0 version. This [[category>>doc:sdmx:Glossary 2\.1.Category.WebHome]] includes “reference” metadata (regarding data quality, methodology, and similar types – it can be configured by the user to include whatever concepts require reporting); metadata related to data provisioning ([[release calendar>>doc:sdmx:Glossary 2\.1.Release policy - release calendar.WebHome]] information, description of the data and metadata provided, etc.); and metadata relevant to the exchange of categorization schemes.
66 66  * **[[SDMX Registry>>doc:sdmx:Glossary 2\.1.SDMX Registry.WebHome]]**: Provision is made in the 2.0 standard for standard communication with registry services, to support a data-sharing model of statistical exchange. These services include registration of data and metadata, querying of registered data and metadata, and [[subscription>>doc:sdmx:Glossary 2\.1.Subscription.WebHome]]/[[notification>>doc:sdmx:Glossary 2\.1.Notification.WebHome]].
67 -* **[[Structural Metadata>>doc:sdmx:Glossary 2\.1.Structural metadata.WebHome]]**: The support for exchange of statistical data and related [[structural metadata>>doc:sdmx:Glossary 2\.1.Structural metadata.WebHome]] has been expanded. Some support is provided for qualitative data; data cube structures are described; [[hierarchical code>>doc:sdmx:Glossary 2\.1.Hierarchical code.WebHome]] lists are supported; relationships between data structures can be expressed, providing support for extensibility of data structures; and the description of functional dependencies within cubes are supported.
67 +* **[[Structural Metadata>>doc:sdmx:Glossary 2\.1.Structural metadata.WebHome]]**: The support for exchange of statistical data and related [[structural metadata>>doc:sdmx:Glossary 2\.1.Structural metadata.WebHome]] has been expanded. Some support is provided for qualitative data; data cube structures are described; [[hierarchical code lists>>doc:sdmx:Glossary 2\.1.Hierarchical code list.WebHome]] are supported; relationships between data structures can be expressed, providing support for extensibility of data structures; and the description of functional dependencies within cubes are supported.
68 68  
69 69  == 2.2 Major Changes from 2.0 to 2.1 ==
70 70  
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78 78  * **Support for Non-Time-[[Series>>doc:sdmx:Glossary 2\.1.Series.WebHome]] Data in the Generic Format: **One area which has been extended is the ability to express non-time-[[series>>doc:sdmx:Glossary 2\.1.Series.WebHome]] data as part of the generic data message.
79 79  * **Simplification of the [[data structure definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] - specific message types: **Both [[time series>>doc:sdmx:Glossary 2\.1.Series.WebHome]] (version 2.0 Compact) and non-[[time series>>doc:sdmx:Glossary 2\.1.Series.WebHome]] [[data sets>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] (version 2.0 Cross Sectional) use the same underlying structure for a structure-specific formatted message, which is specific to the [[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] of the [[data set>>doc:sdmx:Glossary 2\.1.Data set.WebHome]].
80 80  * **Simplification and better support for the metadata structure: **New use cases have been reported and these are now supported by a re-modelled [[metadata structure definition>>doc:sdmx:Glossary 2\.1.Metadata structure definition.WebHome]].
81 -* **Support for partial [[item schemes>>doc:sdmx:Glossary 2\.1.Item scheme.WebHome]] such as a [[code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] list: **The concept of a partial (subset) [[item scheme>>doc:sdmx:Glossary 2\.1.Item scheme.WebHome]] such as a partial [[code>>doc:sdmx:Glossary 2\.1.Code.WebHome]] list for use in exchange scenarios has been introduced**.**
81 +* **Support for partial [[item schemes>>doc:sdmx:Glossary 2\.1.Item scheme.WebHome]] such as a [[code list>>doc:sdmx:Glossary 2\.1.Code list.WebHome]]: **The concept of a partial (subset) [[item scheme>>doc:sdmx:Glossary 2\.1.Item scheme.WebHome]] such as a partial [[code list>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] for use in exchange scenarios has been introduced**.**
82 82  
83 83  == 2.3 Major Changes from 2.1 to 3.0 ==
84 84  
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137 137  (% class="wikigeneratedid" id="HInformationModel-1" %)
138 138  **Information Model**
139 139  
140 -* Addition of [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] Constraint property to a [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]]
140 +* Addition of [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] property to a [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]]
141 141  * Addition of evolving structure property to a [[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]]
142 142  * Remove [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] property on [[Categorisation>>doc:sdmx:Glossary 2\.1.Categorisation.WebHome]]
143 143  * Simplification of [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]]
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