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Version 3.1 by Helena on 2025/05/16 12:28
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Helena 2.3 1 {{box title="**Contents**"}}
2 {{toc/}}
3 {{/box}}
Helena 2.1 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 versions of SDMX.
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9 == 11.2 Compatibility and new DSD features ==
10
11 The following table provides an overview of the backwards compatibility between SDMX 3.0 and 2.1.
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Helena 2.4 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|(% style="width:417px" %)(((
Helena 2.1 16 Create a Measure Dimension Or
17 Model Measures as Attributes
Helena 2.4 18 )))|(% style="width:526px" %)For a Measure Dimensions, all Concepts must reside in the same 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 Relationship|(% style="width:417px" %)Can be ignored, as it does not affect dataset format|(% style="width:526px" %)
21 |(% style="width:218px" %)Metadata Attributes|(% style="width:417px" %)Can be created as Data Attributes|(% style="width:526px" %)Not for extended facets
22 |(% style="width:218px" %)Multilingual Components|(% style="width:417px" %)Cannot be supported|(% style="width:526px" %)
23 |(% style="width:218px" %)No Measure|(% style="width:417px" %)Can only be emulated by ignoring the Primary Measure value|(% style="width:526px" %)
24 |(% style="width:218px" %)Use extended Codelist|(% style="width:417px" %)A new Codelist with all Codes must be created|(% style="width:526px" %)
25 |(% style="width:218px" %)Sentinel values|(% style="width:417px" %)Cannot be supported in the DSD|(% style="width:526px" %)Rules may be supported outside the DSD, in bilateral agreements
Helena 2.1 26
27 The following table illustrates forward compatibility issues from SDMX 2.1 to 3.0.
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Helena 2.4 29 (% style="width:1175.29px" %)
30 |**SDMX 2.1 feature**|(% style="width:320px" %)**SDMX 3.0 compatibility**|(% style="width:634px" %)**Comments**
31 |Measure Dimension|(% style="width:320px" %)(((
Helena 2.1 32 Create a Dimension with role ‘MEASURE’
33 Or
34 Create multiple Measures from the Measure Dimension Concept Scheme
Helena 2.4 35 )))|(% style="width:634px" %)If the dataset has to resemble that of SDMX 2.1 Structure Specific, then the first option must be used
36 |Primary Measure|(% style="width:320px" %)(((
Helena 2.1 37 Create one Measure with role
38 ‘PRIMARY’; use id=”OBS_VALUE”
Helena 2.4 39 )))|(% style="width:634px" %)