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Last modified by Artur on 2025/09/10 11:19
From version 1.4
edited by Helena
on 2025/06/08 23:27
Change comment: There is no comment for this version
To version 1.6
edited by Helena
on 2025/06/08 23:29
Change comment: There is no comment for this version

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501 501  * 2010-M07 or later (any reporting year start day)
502 502  * 2010-W27 or later (reporting year start day ~-~-01-01)^^5^^
503 503  * 2010-D182 or later (reporting year start day ~-~-01-01)
504 -* 2010-W28 or later (reporting year start day ~-~-07-01)^^6^^ • 2010-D185 or later (reporting year start day ~-~-07-01)
505 -*1. Versioning
504 +* 2010-W28 or later (reporting year start day ~-~-07-01)^^6^^
505 +* 2010-D185 or later (reporting year start day ~-~-07-01)
506 506  
507 += 4.3 Versioning ==
508 +
507 507  Versioning operates at the level of versionable and maintainable objects in the SDMX information model. Within the SDMX Structure and MetadataSet messages, there is a well-defined pattern for artefact versioning and referencing. The artefact identifiers are qualified by their version numbers – that is, an object with an Agency of "A", and ID of "X" and a version of "1.0.0" is a different object than one with an Agency of "A", an ID of "X", and a version of "1.1.0".
508 508  
509 509  As of SDMX 3.0, the versioning rules are extended to allow for truly versioned artefacts through the implementation of the rules of the well-known practice called "Semantic Versioning" [[(>>url:http://semver.org/]][[http:~~/~~/semver.org>>url:http://semver.org/]][[)>>url:http://semver.org/]], in addition to the legacy non-restrictive versioning scheme. In addition, the "isFinal" property is removed from
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518 518  
519 519  Many existing organisation’s data management systems work with version-less structures and apply ad-hoc structural metadata governance processes. The new nonversioned artefacts will allow supporting those numerous situations, where organisations do not manage version numbers.
520 520  
521 -1.
522 -11.
523 -111. Semantically versioned artefacts
523 +=== 4.3.2 Semantically versioned artefacts ===
524 524  
525 525  Since the purpose of SDMX versioning is to allow communicating the structural artefact changes to data exchange partners and connected systems, SDMX 3.0 offers Semantic Versioning (aka SemVer) with a clear and unambiguous syntax to all semantically versioned SDMX 3.0 structural artefacts. Semantic versioning will thus better respond to situations where the SDMX standard itself is the only structural contract between data providers and data consumers and where changes in structures can only be communicated through the version number increases.
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