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Last modified by Helena on 2025/09/10 11:19
From version 4.4
edited by Helena
on 2025/05/19 14:18
Change comment: Update document after refactoring.
To version 1.1
edited by Helena
on 2025/05/15 15:48
Change comment: Changed document syntax from [XWiki 2.1] to [xwiki/2.1].

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1 -11 Transforming between versions of SDMX
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1 -Methodology.SDMX 3\.0 Standards\. Technical notes.WebHome
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1 -{{box title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
4 -
5 -== 11.1 Scope ==
6 -
7 -The scope of this section is to define both best practices and mandatory behaviour for specific aspects of transformation between different (% style="color:#2ecc71" %)versions(%%) of [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]].
8 -
9 -== 11.2 Compatibility and new DSD features ==
10 -
11 -The following table provides an overview of the backwards compatibility between [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] 3.0 and 2.1.
12 -
13 -(% style="width:1165.29px" %)
14 -|(% style="width:218px" %)**SDMX 3.0 feature**|(% style="width:417px" %)**SDMX 2.1 compatibility**|(% style="width:526px" %)**Comments**
15 -|(% style="width:218px" %)Multiple [[Measures>>doc:xwiki:Glossary.Measure.WebHome]]|(% style="width:417px" %)(((
16 -Create a [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] Or
17 -Model [[Measures>>doc:xwiki:Glossary.Measure.WebHome]] as [[Attributes>>doc:xwiki:Glossary.Attribute.WebHome]]
18 -)))|(% style="width:526px" %)For a [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] [[Dimensions>>doc:xwiki:Glossary.Dimension.WebHome]], all (% style="color:#2ecc71" %)Concepts(%%) must reside in the same (% style="color:#2ecc71" %)Concept(%%) Scheme
19 -|(% style="width:218px" %)Arrays for values|(% style="width:417px" %)Cannot be supported|(% style="width:526px" %)Arrays are always reported in a verbose format, even if one value is reported
20 -|(% style="width:218px" %)[[Measure>>doc:xwiki:Glossary.Measure.WebHome]] Relationship|(% style="width:417px" %)Can be ignored, as it does not affect [[dataset>>doc:xwiki:Glossary.Data set.WebHome]] format|(% style="width:526px" %)
21 -|(% style="width:218px" %)Metadata [[Attributes>>doc:xwiki:Glossary.Attribute.WebHome]]|(% style="width:417px" %)Can be created as Data [[Attributes>>doc:xwiki:Glossary.Attribute.WebHome]]|(% style="width:526px" %)Not for extended facets
22 -|(% style="width:218px" %)Multilingual [[Components>>doc:xwiki:Glossary.Component.WebHome]]|(% style="width:417px" %)Cannot be supported|(% style="width:526px" %)
23 -|(% style="width:218px" %)No [[Measure>>doc:xwiki:Glossary.Measure.WebHome]]|(% style="width:417px" %)Can only be emulated by ignoring the Primary [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] value|(% style="width:526px" %)
24 -|(% style="width:218px" %)Use extended Codelist|(% style="width:417px" %)A new Codelist with all [[Codes>>doc:xwiki:Glossary.Code.WebHome]] must be created|(% style="width:526px" %)
25 -|(% style="width:218px" %)Sentinel values|(% style="width:417px" %)Cannot be supported in the [[DSD>>doc:xwiki:Glossary.Data structure definition.WebHome]]|(% style="width:526px" %)Rules may be supported outside the [[DSD>>doc:xwiki:Glossary.Data structure definition.WebHome]], in bilateral agreements
26 -
27 -The following table illustrates forward compatibility issues from [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] 2.1 to 3.0.
28 -
29 -(% style="width:1175.29px" %)
30 -|**SDMX 2.1 feature**|(% style="width:320px" %)**SDMX 3.0 compatibility**|(% style="width:634px" %)**Comments**
31 -|[[Measure>>doc:xwiki:Glossary.Measure.WebHome]] [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]]|(% style="width:320px" %)(((
32 -Create a [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] with role ‘[[MEASURE>>doc:xwiki:Glossary.Measure.WebHome]]’
33 -Or
34 -Create multiple [[Measures>>doc:xwiki:Glossary.Measure.WebHome]] from the [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] [[Dimension>>doc:xwiki:Glossary.Dimension.WebHome]] (% style="color:#2ecc71" %)Concept(%%) Scheme
35 -)))|(% style="width:634px" %)If the [[dataset>>doc:xwiki:Glossary.Data set.WebHome]] has to resemble that of [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] 2.1 Structure Specific, then the first option must be used
36 -|Primary [[Measure>>doc:xwiki:Glossary.Measure.WebHome]]|(% style="width:320px" %)(((
37 -Create one [[Measure>>doc:xwiki:Glossary.Measure.WebHome]] with role
38 -‘PRIMARY’; use id=”OBS_VALUE”
39 -)))
40 -
41 -(% style="width:1175.29px" %)
42 -|(% style="width:634px" %)