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Last modified by Helena on 2025/09/10 11:19
From version 3.1
edited by Helena
on 2025/05/16 12:28
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To version 1.1
edited by Helena
on 2025/05/15 15:48
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1 -11 Transforming between versions of SDMX
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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 versions of SDMX.
8 -
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.
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|(% style="width:417px" %)(((
16 -Create a Measure Dimension Or
17 -Model Measures as Attributes
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
26 -
27 -The following table illustrates forward compatibility issues from SDMX 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 Dimension|(% style="width:320px" %)(((
32 -Create a Dimension with role ‘MEASURE’
33 -Or
34 -Create multiple Measures from the Measure Dimension Concept Scheme
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" %)(((
37 -Create one Measure with role
38 -‘PRIMARY’; use id=”OBS_VALUE”
39 -)))|(% style="width:634px" %)