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Last modified by Helena on 2025/09/10 11:19
From version 21.2
edited by Helena
on 2025/05/19 13:42
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Summary

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1 -SDMX STANDARDS. SUMMARY OF MAJOR CHANGES AND NEW FUNCTIONALITY Version 3.0
1 +SDMX STANDARDS
Parent
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1 -WebHome
1 +Methodology.WebHome
Content
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534 534  
535 535  == 5.3 Improved reference metadata queries ==
536 536  
537 -[[Reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] queries have been improved with a number of new options to retrieve metadata reports.
537 +Reference metadata queries have been improved with a number of new options to retrieve metadata reports.
538 538  
539 539  **Get metadata reports by ID**
540 540  
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550 550  
551 551  == 5.4 Structural metadata maintenance ==
552 552  
553 -Support has been added for maintenance of [[structural metadata>>doc:xwiki:Glossary.Structural metadata.WebHome]].
553 +Support has been added for maintenance of structural metadata.
554 554  
555 -HTTP verbs PUT, POST and DELETE may be used to submit [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] or [[SDMX-JSON>>doc:xwiki:Glossary.SDMX-JSON.WebHome]] structure messages to an [[SDMX registry>>doc:xwiki:Glossary.SDMX Registry.WebHome]] for the purposes of adding, updating or deleting [[structural metadata>>doc:xwiki:Glossary.Structural metadata.WebHome]] [[artefacts>>doc:xwiki:Glossary.Artefact.WebHome]].
555 +HTTP verbs PUT, POST and DELETE may be used to submit SDMX-ML or SDMX-JSON structure messages to an SDMX registry for the purposes of adding, updating or deleting structural metadata artefacts.
556 556  
557 557  = 6 XML, JSON, CSV and EDI Transmission formats =
558 558  
559 559  == 6.1 SDMX-ML ==
560 560  
561 -The [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] XML messages have been modified and updated for (% style="color:#2ecc71" %)version(%%) 3.0. While they broadly follow the same principles, there have been significant changes which break backward compatibility.
561 +The SDMX-ML XML messages have been modified and updated for version 3.0. While they broadly follow the same principles, there have been significant changes which break backward compatibility.
562 562  
563 563  (% class="wikigeneratedid" id="HStructuremessage" %)
564 564  **Structure message**
565 -The [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] structure message is used for transmission of [[structural metadata>>doc:xwiki:Glossary.Structural metadata.WebHome]]. It closely reflects the [[SDMX information model>>doc:xwiki:Glossary.SDMX Information Model.WebHome]] and has therefore been significantly updated for (% style="color:#2ecc71" %)version(%%) 3.0 with the addition of new structures, modifications where structures have changed, and removal of deprecated structures like Structure Set.
565 +The SDMX-ML structure message is used for transmission of structural metadata. It closely reflects the SDMX information model and has therefore been significantly updated for version 3.0 with the addition of new structures, modifications where structures have changed, and removal of deprecated structures like Structure Set.
566 566  
567 -Additionally, the way the individual [[artefacts>>doc:xwiki:Glossary.Artefact.WebHome]] are organised into ‘collections’ within the message has been significantly revised with a simpler flat structure adopted as set out in the following table:
567 +Additionally, the way the individual artefacts are organised into ‘collections’ within the message has been significantly revised with a simpler flat structure adopted as set out in the following table:
568 568  
569 569  (% style="width:1102.04px" %)
570 570  |(% style="width:321px" %)**Artefact type**|(% style="width:351px" %)**Version 2.1 Collection**|(% style="width:426px" %)**Version 3.0 Collection**
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593 593  |(% style="width:321px" %)TransformationScheme|(% style="width:351px" %)Transformations|(% style="width:426px" %)TransformationSchemes
594 594  |(% style="width:321px" %)UserDefinedOperatorScheme|(% style="width:351px" %)UserDefinedOperators|(% style="width:426px" %)UserDefinedOperatorSchemes
595 595  
596 -No changes have been made to the way the following [[artefacts>>doc:xwiki:Glossary.Artefact.WebHome]] are organised in the structure message:
596 +No changes have been made to the way the following artefacts are organised in the structure message:
597 597  
598 598  (% style="width:1106.04px" %)
599 599  |(% style="width:326px" %)**Artefact type**|(% style="width:776px" %)**Collection**
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610 610  |(% style="width:326px" %)Process|(% style="width:776px" %)Processes
611 611  |(% style="width:326px" %)ProvisionAgreement|(% style="width:776px" %)ProvisionAgreements
612 612  
613 -From (% style="color:#2ecc71" %)version(%%) 3.0, collections can appear in any order within a structure message.
613 +From version 3.0, collections can appear in any order within a structure message.
614 614  
615 615  (% class="wikigeneratedid" id="HDatamessages" %)
616 616  **Data messages**
617 +All legacy SDMX-ML data messages have been deprecated with the exception of Structure Specific Data which becomes the sole standard format for transmission of SDMX data in XML in version 3.0.
617 617  
618 -(% class="wikigeneratedid" id="HDatamessages" %)
619 -All legacy [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] data messages have been deprecated with the exception of Structure Specific Data which becomes the sole standard format for transmission of [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] data in XML in (% style="color:#2ecc71" %)version(%%) 3.0.
619 +Specifically, the following data messages are not supported in version 3.0:
620 620  
621 -Specifically, the following data messages are not supported in (% style="color:#2ecc71" %)version(%%) 3.0:
621 +* SDMX-ML 1.0/2.0 Generic (time-series) data message
622 +* SDMX-ML 1.0/2.0 Compact (time-series) data message
623 +* SDMX-ML 1.0/2.0 Utility (time-series) data message
624 +* SDMX-ML 1.0/2.0 Cross-Sectional data message
625 +* SDMX-ML 2.1 Generic data messages (for observations, time-series and crosssectional data)
622 622  
623 -* [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] 1.0/2.0 Generic (time-series) data message
624 -* [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] 1.0/2.0 Compact (time-series) data message
625 -* [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] 1.0/2.0 Utility (time-series) data message
626 -* [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] 1.0/2.0 Cross-Sectional data message
627 -* [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] 2.1 Generic data messages (for observations, time-series and crosssectional data)
627 +The Structure Specific Data message has been extended to support the transmission of microdata sets, in particular those with multiple measures and array values for measures and attributes.
628 628  
629 -The Structure Specific Data message has been extended to support the transmission of microdata sets, in particular those with multiple [[measures>>doc:xwiki:Glossary.Measure.WebHome]] and array values for [[measures>>doc:xwiki:Glossary.Measure.WebHome]] and [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]].
629 +As detailed in paragraph 3.4, the message now additionally allows data’s reference metadata to be reported as an integral part of the dataset. Like data attributes, these metadata attributes are included in the data message at the dataset, series or observation level as appropriate.
630 630  
631 -As detailed in paragraph 3.4, the message now additionally allows data’s [[reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] to be reported as an integral part of the [[dataset>>doc:xwiki:Glossary.Data set.WebHome]]. Like data [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]], these metadata [[attributes>>doc:xwiki:Glossary.Attribute.WebHome]] are included in the data message at the [[dataset>>doc:xwiki:Glossary.Data set.WebHome]], series or observation (% style="color:#2ecc71" %)level(%%) as appropriate.
632 -
633 633  The time series variant of the Structure Specific Data message is no longer used.
634 634  
635 635  (% class="wikigeneratedid" id="HReferencemetadatamessage" %)
636 636  **Reference metadata message**
637 -The Generic Metadata message remains the standard format for transmission of [[reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] sets in XML but has been modified to support the revised (% style="color:#2ecc71" %)version(%%) 3.0 [[reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] model.
635 +The Generic Metadata message remains the standard format for transmission of reference metadata sets in XML but has been modified to support the revised version 3.0 reference metadata model.
638 638  
639 639  (% class="wikigeneratedid" id="HRegistrystructuralmetadata2018query2019messages" %)
640 640  **Registry structural metadata ‘query’ messages**
641 -As a consequence of the deprecation of the SOAP API and standardisation on REST, the [[structural metadata>>doc:xwiki:Glossary.Structural metadata.WebHome]] ‘query’ messages have all been removed. In (% style="color:#2ecc71" %)version(%%) 3.0, querying an [[SDMX Registry>>doc:xwiki:Glossary.SDMX Registry.WebHome]] for [[structural metadata>>doc:xwiki:Glossary.Structural metadata.WebHome]] is performed solely using REST GET.
639 +As a consequence of the deprecation of the SOAP API and standardisation on REST, the structural metadata ‘query’ messages have all been removed. In version 3.0, querying an SDMX Registry for structural metadata is performed solely using REST GET.
642 642  
643 643  (% class="wikigeneratedid" id="HStructurereferencing" %)
644 644  **Structure referencing**
645 -The option to reference structures using Agency, ID and (% style="color:#2ecc71" %)Version(%%) has been removed. From [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] (% style="color:#2ecc71" %)version(%%) 3.0 URN is used for all referencing purposes with the exception of local references such as where groups reference [[dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] within a [[DSD>>doc:xwiki:Glossary.Data structure definition.WebHome]].
643 +The option to reference structures using Agency, ID and Version has been removed. From SDMX version 3.0 URN is used for all referencing purposes with the exception of local references such as where groups reference dimensions within a DSD.
646 646  
647 647  == 6.2 SDMX-JSON ==
648 648  
649 -Like [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]], the [[SDMX-JSON>>doc:xwiki:Glossary.SDMX-JSON.WebHome]] messages have been significantly modified and updated for (% style="color:#2ecc71" %)version(%%) 3.0. They are not backwardly compatible with (% style="color:#2ecc71" %)version(%%) 2.1.
647 +Like SDMX-ML, the SDMX-JSON messages have been significantly modified and updated for version 3.0. They are not backwardly compatible with version 2.1.
650 650  
651 651  (% class="wikigeneratedid" id="HStructuremessage-1" %)
652 652  **Structure message**
653 -The [[SDMX-JSON>>doc:xwiki:Glossary.SDMX-JSON.WebHome]] structure message closely replicates the [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] equivalent. Like that of [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] it has been updated to align it with the (% style="color:#2ecc71" %)version(%%) 3.0 information model with addition, deletion and modification of [[artefacts>>doc:xwiki:Glossary.Artefact.WebHome]] as required. The organisation of the structure collections has also been revised as detailed in paragraph 6.1.
651 +The SDMX-JSON structure message closely replicates the SDMX-ML equivalent. Like that of SDMX-ML it has been updated to align it with the version 3.0 information model with addition, deletion and modification of artefacts as required. The organisation of the structure collections has also been revised as detailed in paragraph 6.1.
654 654  
655 655  (% class="wikigeneratedid" id="HDatamessage" %)
656 656  **Data message**
657 -The [[SDMX-JSON>>doc:xwiki:Glossary.SDMX-JSON.WebHome]] data message has similarly be updated. Additional changes have been made to allow a single message to carry data from multiple [[datasets>>doc:xwiki:Glossary.Data set.WebHome]] with potentially different [[Data Structure Definitions>>doc:xwiki:Glossary.Data structure definition.WebHome]] to support REST data queries of the form “retrieve all data about a country”. For this reason, the (% style="color:#2ecc71" %)version(%%) 3.0 [[SDMX-JSON>>doc:xwiki:Glossary.SDMX-JSON.WebHome]] is not backwardly compatible with (% style="color:#2ecc71" %)version(%%) 2.1 data messages. Support has been added for the transmission of microdata and reporting of [[reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] on data as an integral part of the dataset.
655 +The SDMX-JSON data message has similarly be updated. Additional changes have been made to allow a single message to carry data from multiple datasets with potentially different Data Structure Definitions to support REST data queries of the form “retrieve all data about a country”. For this reason, the version 3.0 SDMX-JSON is not backwardly compatible with version 2.1 data messages. Support has been added for the transmission of microdata and reporting of reference metadata on data as an integral part of the dataset.
658 658  
659 659  (% class="wikigeneratedid" id="HReferencemetadatamessage-1" %)
660 660  **Reference metadata message**
661 -The [[SDMX-JSON>>doc:xwiki:Glossary.SDMX-JSON.WebHome]] metadata message has also been updated to support the (% style="color:#2ecc71" %)version(%%) 3.0 [[reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] and Metadataset specifications.
659 +The SDMX-JSON metadata message has also been updated to support the version 3.0 reference metadata and Metadataset specifications.
662 662  
663 663  (% class="wikigeneratedid" id="HStructurereferencing-1" %)
664 664  **Structure referencing**
665 -As for [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]], the option to reference structures using Agency, ID and (% style="color:#2ecc71" %)Version(%%) has been removed with URN used for all non-local referencing purposes.
663 +As for SDMX-ML, the option to reference structures using Agency, ID and Version has been removed with URN used for all non-local referencing purposes.
666 666  
667 667  == 6.3 SDMX-CSV ==
668 668  
669 -CSV in [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] is used transmission of data and [[reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] only.
667 +CSV in SDMX is used transmission of data and reference metadata only.
670 670  
671 671  (% class="wikigeneratedid" id="HDatamessage-1" %)
672 672  **Data message**
673 -The [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]]-CSV data message has been modified to align with the (% style="color:#2ecc71" %)version(%%) 3.0 information model, support the enhanced REST API and ensure that data can be freely converted to and from the XML and JSON formats without loss. These changes include:
671 +The SDMX-CSV data message has been modified to align with the version 3.0 information model, support the enhanced REST API and ensure that data can be freely converted to and from the XML and JSON formats without loss. These changes include:
674 674  
675 -* An additional column identifying the type if the [[artefact>>doc:xwiki:Glossary.Artefact.WebHome]] defining the structure of the data: “[[dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]]”, “datastructure” or “dataprovision”;
676 -* A column for the structure [[artefact>>doc:xwiki:Glossary.Artefact.WebHome]]’s identification of the form
673 +* An additional column identifying the type if the artefact defining the structure of the data: “dataflow”, “datastructure” or “dataprovision”; • A column for the structure artefact’s identification of the form
677 677  
678 -ESTAT:NA_MAIN(1.6.0) which replaces the [[dataflow>>doc:xwiki:Glossary.Dataflow.WebHome]] identifier in (% style="color:#2ecc71" %)version(%%) 2.1; and
675 +ESTAT:NA_MAIN(1.6.0) which replaces the dataflow identifier in version 2.1; and
679 679  
680 -* A column for the [[dataset>>doc:xwiki:Glossary.Data set.WebHome]] action: information, append, replace or delete, which is consistent with both the the [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] and [[SDMX-JSON>>doc:xwiki:Glossary.SDMX-JSON.WebHome]] data messages.
677 +* A column for the dataset action: information, append, replace or delete, which is consistent with both the the SDMX-ML and SDMX-JSON data messages.
681 681  
682 682  (% class="wikigeneratedid" id="HReferencemetadatamessage-2" %)
683 683  **Reference metadata message**
684 -The [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]]-CSV metadata message is new for (% style="color:#2ecc71" %)version(%%) 3.0 and, like the [[SDMX-ML>>doc:xwiki:Glossary.SDMX-ML.WebHome]] and [[SDMX-JSON>>doc:xwiki:Glossary.SDMX-JSON.WebHome]] equivalents, is used for the transmission [[reference metadata>>doc:xwiki:Glossary.Reference metadata.WebHome]] sets.
681 +The SDMX-CSV metadata message is new for version 3.0 and, like the SDMX-ML and SDMX-JSON equivalents, is used for the transmission reference metadata sets.
685 685  
686 686  == 6.4 EDI deprecation ==
687 687  
688 -The EDI format for transmission of both structures and data has been deprecated. (% style="color:#2ecc71" %)Version(%%) 3.0 is therefore not backwardly compatible with legacy EDI messages.
685 +The EDI format for transmission of both structures and data has been deprecated. Version 3.0 is therefore not backwardly compatible with legacy EDI messages.
689 689  
690 690  = Appendix A – Version 2.1 Information Model =
691 691