Changes for page Part IV. Data and Reference Metadata Namespaces
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... ... @@ -66,10 +66,10 @@ 66 66 |**Name**|**Type**|**Documentation** 67 67 |[[Annotations>>doc:sdmx:Glossary.Annotation.WebHome]]|AnnotationsType|[[Annotations>>doc:sdmx:Glossary.Annotation.WebHome]] is a reusable element the provides for a collection of [[annotations>>doc:sdmx:Glossary.Annotation.WebHome]]. It has been made global so that restrictions of types that extend AnnotatableType may reference it. 68 68 |DataProvider|DataProviderReferenceType|DataProvider contains a reference to the provider for the [[data set>>doc:sdmx:Glossary.Data set.WebHome]]. 69 -|Atts| //AttsType//|Atts contains a set of data or metadata [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] values with an [[attachment level>>doc:sdmx:Glossary.Attachment level.WebHome]] of none (i.e. [[data set>>doc:sdmx:Glossary.Data set.WebHome]] (% style="color:#e74c3c" %)level(%%)) or reported against a partial set of [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values.70 -|Group| //GroupType//|Group contains a reference to a defined group in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] along with its key (if necessary) and values for the [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] which are associated with the group. An [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] is associated to a group by either an explicit group relationship or by a group attachment when the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] has a relationship with a [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] which is a member of this group.71 -|Series| //SeriesType//|Series contains a collection of observations that share a common key (set of [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values). The key of a series is every [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] defined in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]], save the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] at the observation (% style="color:#e74c3c" %)level(%%). In addition to the key and observations, the series contains values for data and metadata [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] which have a relationship with any [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] that is part of the [[series key>>doc:sdmx:Glossary.Series key.WebHome]], so long as the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] does not specify an attachment group or also has a relationship with the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] declared to be at the observation (% style="color:#e74c3c" %)level(%%).72 -|Obs| //ObsType//|Obs is an un-grouped observation. This observation has a key which is a set of values for all [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] declared in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. In addition to the key, the value of the observation can be provided along with values for all data and metadata [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] which have an association with the observation or any [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (so long as it does not specify a group attachment).69 +|Atts|*AttsType*|Atts contains a set of data or metadata [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] values with an [[attachment level>>doc:sdmx:Glossary.Attachment level.WebHome]] of none (i.e. [[data set>>doc:sdmx:Glossary.Data set.WebHome]] (% style="color:#e74c3c" %)level(%%)) or reported against a partial set of [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values. 70 +|Group|*GroupType*|Group contains a reference to a defined group in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] along with its key (if necessary) and values for the [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] which are associated with the group. An [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] is associated to a group by either an explicit group relationship or by a group attachment when the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] has a relationship with a [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] which is a member of this group. 71 +|Series|*SeriesType*|Series contains a collection of observations that share a common key (set of [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values). The key of a series is every [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] defined in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]], save the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] at the observation (% style="color:#e74c3c" %)level(%%). In addition to the key and observations, the series contains values for data and metadata [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] which have a relationship with any [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] that is part of the [[series key>>doc:sdmx:Glossary.Series key.WebHome]], so long as the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] does not specify an attachment group or also has a relationship with the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] declared to be at the observation (% style="color:#e74c3c" %)level(%%). 72 +|Obs|*ObsType*|Obs is an un-grouped observation. This observation has a key which is a set of values for all [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] declared in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. In addition to the key, the value of the observation can be provided along with values for all data and metadata [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] which have an association with the observation or any [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (so long as it does not specify a group attachment). 73 73 |Metadata|MetadataSetType|Allows for attachment of [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] against to the [[data set>>doc:sdmx:Glossary.Data set.WebHome]]. 74 74 75 75 //**GroupType:**// GroupType is the abstract type which defines a structure which is used to communicate [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] values for a group defined in a [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. The group can consist of either a subset of the [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] defined by the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]], or an association to an attachment (% style="color:#e74c3c" %)constraint(%%), which in turn defines key sets to which [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] can be attached. In the case that the group is based on an attachment (% style="color:#e74c3c" %)constraint(%%), only the identification of group is provided. It is expected that a system which is processing this will relate that identifier to the key sets defined in the (% style="color:#e74c3c" %)constraint(%%) and apply the values provided for the [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] appropriately. [[Data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] schemas will drive types based on this for each group defined in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. Both the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values which make up the key (if applicable) and the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] values associated with the group will be represented with XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]]. This is specified in the content model with the declaration of anyAttributes in the "local" namespace. The derived group type will refine this structure so that the [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] are explicit. The XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be given a name based on the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]'s identifier. These XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be unqualified (meaning they do not have a namespace associated with them). The [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be required while the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be optional. To allow for generic processing, it is required that the only unqualified XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] in the derived group type be for the group [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] and data or metadata [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] declared in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. If additional [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] are required, these should be qualified with a namespace so that a generic application can easily distinguish them as not being meant to represent a [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] or [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]. ... ... @@ -181,7 +181,7 @@ 181 181 |Comp|//CompType//|Comp contains the details of observation [[measures>>doc:sdmx:Glossary.Measure.WebHome]] or [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] that have complex [[representation>>doc:sdmx:Glossary.Representation.WebHome]] and cannot be expressed as XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]]. 182 182 |Metadata|MetadataSetType|Allows for attachment of [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] against to the observation. 183 183 184 - //**AttsType:**//AttsType is the abstract type which defines a structure which is used to group a collection of data or metadata [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] which have a key in common. The key for a [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] collection is a subset of the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] defined in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. This is also used for [[data set>>doc:sdmx:Glossary.Data set.WebHome]] (% style="color:#e74c3c" %)level(%%) [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] (i.e. those with an [[attribute relationship>>doc:sdmx:Glossary.Attribute relationship.WebHome]] of none). In this case, the subset of [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] is empty. [[Data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] schemas will derive a type based on this that is specific to the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. The [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values which make up the key will be represented with local (non-namespace qualified) XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]]. The metadata [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] values associated with the key [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] will be expressed as XML local (non-namespace qualified) [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] if they are simple values (e.g. enumerated, dates, numbers) and are not repeatable. Metadata [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] that are repeatable, or do not have simple values (e.g. text) will be expressed using the Comp element. These [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] and simple [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] are specified in the content model with the declaration of anyAttributes in the "local" namespace. The derived series type will refine this structure so that the [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] are explicit. The XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be given a name based on the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]'s identifier. These XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be unqualified (meaning they do not have a namespace associated with them). The [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be required while the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be optional. To allow for generic processing, it is required that the only unqualified XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] in the derived group type be for the series [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] and [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] declared in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. If additional [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] are required, these should be qualified with a namespace so that a generic application can easily distinguish them as not being meant to represent a [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] or [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]].184 +***AttsType*:** AttsType is the abstract type which defines a structure which is used to group a collection of data or metadata [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] which have a key in common. The key for a [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] collection is a subset of the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] defined in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. This is also used for [[data set>>doc:sdmx:Glossary.Data set.WebHome]] (% style="color:#e74c3c" %)level(%%) [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] (i.e. those with an [[attribute relationship>>doc:sdmx:Glossary.Attribute relationship.WebHome]] of none). In this case, the subset of [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] is empty. [[Data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] schemas will derive a type based on this that is specific to the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. The [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values which make up the key will be represented with local (non-namespace qualified) XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]]. The metadata [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] values associated with the key [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] will be expressed as XML local (non-namespace qualified) [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] if they are simple values (e.g. enumerated, dates, numbers) and are not repeatable. Metadata [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] that are repeatable, or do not have simple values (e.g. text) will be expressed using the Comp element. These [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] and simple [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] are specified in the content model with the declaration of anyAttributes in the "local" namespace. The derived series type will refine this structure so that the [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] are explicit. The XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be given a name based on the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]'s identifier. These XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be unqualified (meaning they do not have a namespace associated with them). The [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be required while the [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] will be optional. To allow for generic processing, it is required that the only unqualified XML [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] in the derived group type be for the series [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] and [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] declared in the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. If additional [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] are required, these should be qualified with a namespace so that a generic application can easily distinguish them as not being meant to represent a [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] or [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]. 185 185 186 186 Derivation: 187 187 ... ... @@ -230,7 +230,7 @@ 230 230 231 231 === 2.2.3 Complex Types === 232 232 233 - //**MetadataSetBaseType:**//MetadataSetBaseType defines the base refinement of the MetadataSetType. Its purpose is to restrict the urn [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]].233 +***MetadataSetBaseType*:** MetadataSetBaseType defines the base refinement of the MetadataSetType. Its purpose is to restrict the urn [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]. 234 234 235 235 Derivation: 236 236 ... ... @@ -687,7 +687,7 @@ 687 687 * If the type is based on a text format of a (% style="color:#e74c3c" %)concept(%%) core [[representation>>doc:sdmx:Glossary.Representation.WebHome]], the recommended name is (% style="color:#e74c3c" %)Concept(%%).[Maintenance Agency].[(% style="color:#e74c3c" %)Concept(%%) Scheme ID].[(% style="color:#e74c3c" %)Concept(%%) Scheme Version].[(% style="color:#e74c3c" %)Concept(%%) ID] 688 688 * If the type is based on a text format of a [[component>>doc:sdmx:Glossary.Component.WebHome]] local [[representation>>doc:sdmx:Glossary.Representation.WebHome]], and; 689 689 ** The [[component>>doc:sdmx:Glossary.Component.WebHome]] id is required to be unique for all [[components>>doc:sdmx:Glossary.Component.WebHome]] within the scope of the structure which defines it (e.g. a [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]]), the recommended name is ~[[[Component>>doc:sdmx:Glossary.Component.WebHome]] ID] 690 -** The [[component>>doc:sdmx:Glossary.Component.WebHome]] id is only required to be unique within the [[component>>doc:sdmx:Glossary.Component.WebHome]] list and which defines it (e.g. a metadata attribute), the recommend name is [Component List ID].[Parent Component ID]*.[Component ID] 690 +** The [[component>>doc:sdmx:Glossary.Component.WebHome]] id is only required to be unique within the [[component>>doc:sdmx:Glossary.Component.WebHome]] list and which defines it (e.g. a metadata attribute), the recommend name is [Component List ID].[Parent Component ID]\*.[Component ID] 691 691 692 692 === 3.3.11 Type Reuse === 693 693 ... ... @@ -904,26 +904,26 @@ 904 904 905 905 3. With the //updatedAfter// URL parameter: 906 906 907 -The response must include the information of all previously updated, inserted and deleted data or data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]], even if bulk deletions have been used. One of the two approaches are possible:907 +The response must include the information of all previously updated, inserted and deleted data or data-related reference metadata, even if bulk deletions have been used. One of the two approaches are possible: 908 908 909 -* a //Delete// [[dataset>>doc:sdmx:Glossary.Dataset.WebHome]]for entirely deleted observations and for entirely deleted sets of (data-related[[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]])[[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]values attached to specific[[dimension>>doc:sdmx:Glossary.Dimension.WebHome]]combinations and910 -a //Replace// [[dataset>>doc:sdmx:Glossary.Dataset.WebHome]]for all other changed observations and changed[[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]and data-related[[reference metadata>>doc:sdmx:Glossary.Referencemetadata.WebHome]]values attached to specific[[dimension>>doc:sdmx:Glossary.Dimension.WebHome]]combinations, or911 -* a //Delete// [[dataset>>doc:sdmx:Glossary.Dataset.WebHome]]for entirely deleted observations, for entirely deleted sets of (data-related[[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]])[[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]values attached to specific[[dimension>>doc:sdmx:Glossary.Dimension.WebHome]]combinations and for individually deleted mesure,[[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]and[[reference metadata>>doc:sdmx:Glossary.Referencemetadata.WebHome]]values and912 -a //Merge// [[dataset>>doc:sdmx:Glossary.Dataset.WebHome]]for all other updated or inserted observation,[[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]and data-related[[reference metadata>>doc:sdmx:Glossary.Referencemetadata.WebHome]]values.909 +* a //Delete// dataset for entirely deleted observations and for entirely deleted sets of (data-related reference metadata) attribute values attached to specific dimension combinations and 910 +a //Replace// dataset for all other changed observations and changed attribute and data-related reference metadata values attached to specific dimension combinations, or 911 +* a //Delete// dataset for entirely deleted observations, for entirely deleted sets of (data-related reference metadata) attribute values attached to specific dimension combinations and for individually deleted mesure, attribute and reference metadata values and 912 +a //Merge// dataset for all other updated or inserted observation, attribute and data-related reference metadata values. 913 913 914 914 The DB synchronization use case requires that the generated response must always allow achieving to replicate the exact same punctual data content as currently stored in the queried data source. 915 915 916 916 ~1. With the *includeHistory* URL parameter: 917 917 918 -Using a number of [[datasets>>doc:sdmx:Glossary.Dataset.WebHome]]with *Delete*, *Replace* or *Merge* actions and limited in their validity time span that allow achieving to replicate the exact same punctual data contents as previously stored in the queried data source.918 +Using a number of datasets with *Delete*, *Replace* or *Merge* actions and limited in their validity time span that allow achieving to replicate the exact same punctual data contents as previously stored in the queried data source. 919 919 920 920 2. With the *asOf* URL parameter: 921 921 922 -The recommendations of 1 and 2 apply depending on the other parameters. In addition, the returned [[dataset>>doc:sdmx:Glossary.Dataset.WebHome]] should have its validity time span limited to the point in time requested in the *asOf* parameter.922 +The recommendations of 1 and 2 apply depending on the other parameters. In addition, the returned dataset should have its validity time span limited to the point in time requested in the *asOf* parameter. 923 923 924 924 == 4.2 Reference Metadata Actions == 925 925 926 - [[Reference metadata>>doc:sdmx:Glossary.Referencemetadata.WebHome]] defined by a[[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]]or a MetadataProvisionAgreement are exchanged within reference metadatasets, which are maintainable and thus for actions behave like[[structural metadata>>doc:sdmx:Glossary.Structuralmetadata.WebHome]]([[artefacts>>doc:sdmx:Glossary.Artefact.WebHome]]): When interacting with[[SDMX>>doc:sdmx:Glossary.Statisticaldata and metadata exchange.WebHome]]Rest web services, the HTTP action verbs GET, PUT and POST are used to indicate the intended action per web request. Consequently, different actions cannot be bundled and executed with “transactional ACIDity”. Note that metadatasets retrieved using the HTTP header “Accept-Language” may contain only partial languages, and thus should be marked with its *isPartialLanguage* property set to true. Submitting such a partial metadataset to update an[[SDMX>>doc:sdmx:Glossary.Statisticaldata and metadata exchange.WebHome]]storage system will only add or update the included languages but not change other languages.926 +Reference metadata defined by a Metadataflow or a MetadataProvisionAgreement are exchanged within reference metadatasets, which are maintainable and thus for actions behave like structural metadata (artefacts): When interacting with SDMX Rest web services, the HTTP action verbs GET, PUT and POST are used to indicate the intended action per web request. Consequently, different actions cannot be bundled and executed with “transactional ACIDity”. Note that metadatasets retrieved using the HTTP header “Accept-Language” may contain only partial languages, and thus should be marked with its *isPartialLanguage* property set to true. Submitting such a partial metadataset to update an SDMX storage system will only add or update the included languages but not change other languages. 927 927 928 928 The former message header or metadataset property *DataSetAction* is deprecated. To avoid conflicts, it is now ignored if still present. 929 929