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Last modified by Elena on 2025/09/10 11:19
From version 3.17
edited by Helena
on 2025/07/02 16:20
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To version 3.12
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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  
... ... @@ -795,82 +795,79 @@
795 795  
796 796  === 3.4.5 ObsType ===
797 797  
798 -A complex type name ObsType must be created. Its content model will be derived via restriction of the base type [[dsd>>doc:sdmx:Glossary.Data structure definition.WebHome]]:ObsType. The complex type content model will be as follows:
798 +A complex type name ObsType must be created. Its content model will be derived via restriction of the base type dsd:ObsType. The complex type content model will be as follows:
799 799  
800 800  ~1. A sequence consisting of:
801 801  
802 -* i. An element reference to common:[[Annotations>>doc:sdmx:Glossary.Annotation.WebHome]], with a minimum occurrence of 0
803 -* ii. If any [[measures>>doc:sdmx:Glossary.Measure.WebHome]] with complex [[representations>>doc:sdmx:Glossary.Representation.WebHome]] are defined in the data structure, any [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] with complex [[representation>>doc:sdmx:Glossary.Representation.WebHome]] that declare an [[attribute relationship>>doc:sdmx:Glossary.Attribute relationship.WebHome]] with the observation, a Comp element with a form of unqualified, a minimum occurrence of 0, a maximum occurrence of unbounded, and a type of [[dsd>>doc:sdmx:Glossary.Data structure definition.WebHome]]:CompType
804 -* iii. If any metadata [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] usages defined in the data structure that declares an [[attribute relationship>>doc:sdmx:Glossary.Attribute relationship.WebHome]] with the observation, a local element named Metadata with the type metadata:MetadataSetType a form of unqualified, and a minimum occurrence of 0
802 +* i. An element reference to common:Annotations, with a minimum occurrence of 0
803 +* ii. If any measures with complex representations are defined in the data structure, any attributes with complex representation that declare an attribute relationship with the observation, a Comp element with a form of unqualified, a minimum occurrence of 0, a maximum occurrence of unbounded, and a type of dsd:CompType
804 +* iii. If any metadata attribute usages defined in the data structure that declares an attribute relationship with the observation, a local element named Metadata with the type metadata:MetadataSetType a form of unqualified, and a minimum occurrence of 0
805 805  
806 -2. An [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] named TIME\_PERIOD with a type of common: ObservationalTimePeriodValueType. If the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] at the observation (% style="color:#e74c3c" %)level(%%) is the time [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (TIME\_PERIOD) or all [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] and the time [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] is defined by the data structure, a usage of required; otherwise, a usage of prohibited
807 -3. If the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] at the observation (% style="color:#e74c3c" %)level(%%) is not all [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] or the time [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (TIME\_PERIOD), an [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] for the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] at the observation (% style="color:#e74c3c" %)level(%%). The XML [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] name and type are defined according to the general rules defined in the previous section, and the usage is required
808 -4. If the [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] at the observation (% style="color:#e74c3c" %)level(%%) is all [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]], an [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] for each [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] defined by the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]], except for the time [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (TIME\_PERIOD).
806 +2. An attribute named TIME\_PERIOD with a type of common:
807 + ObservationalTimePeriodValueType. If the dimension at the observation level is the time dimension (TIME\_PERIOD) or all dimensions and the time dimension is defined by the data structure, a usage of required; otherwise, a usage of prohibited
808 +3. If the dimension at the observation level is not all dimensions or the time dimension (TIME\_PERIOD), an attribute for the dimension at the observation level. The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is required
809 +4. If the dimension at the observation level is all dimensions, an attribute for each dimension defined by the data structure definition, except for the time dimension (TIME\_PERIOD). The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is required
810 +5. An attribute for each measure with simple representation defined by the data structure definition. The XML attribute name and type is defined according to the general rules defined in the previous section, and the usage is optional
811 +6. An attribute for each data attribute with simple representation defined in the data structure that declares an attribute relationship with the observation. The XML attribute name and type are defined according to the general rules defined in the previous section, and the usage is optional
809 809  
810 -The XML [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] name and type are defined according to the general rules defined in the previous section, and the usage is required
811 -5. An [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] for each [[measure>>doc:sdmx:Glossary.Measure.WebHome]] with simple [[representation>>doc:sdmx:Glossary.Representation.WebHome]] defined by the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]. The XML [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] name and type is defined according to the general rules defined in the previous section, and the usage is optional
812 -6. An [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] for each data [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] with simple [[representation>>doc:sdmx:Glossary.Representation.WebHome]] defined in the data structure that declares an [[attribute relationship>>doc:sdmx:Glossary.Attribute relationship.WebHome]] with the observation. The XML [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] name and type are defined according to the general rules defined in the previous section, and the usage is optional
813 -
814 814  === 3.4.6 CompType ===
815 815  
816 -For every [[measure>>doc:sdmx:Glossary.Measure.WebHome]] and data [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] with complex [[representation>>doc:sdmx:Glossary.Representation.WebHome]] defined by the [[data structure definition>>doc:sdmx:Glossary.Data structure definition.WebHome]], a complex type must be derived from the restriction of the [[dsd>>doc:sdmx:Glossary.Data structure definition.WebHome]]:CompType. The complex type content model will be as follows:
815 +For every measure and data attribute with complex representation defined by the data structure definition, a complex type must be derived from the restriction of the dsd:CompType. The complex type content model will be as follows:
817 817  
818 -~1. A sequence consisting of:
817 +1. A sequence consisting of:
818 +1. An element reference to common:Annotations, with a minimum occurrence of 0
819 + 2. A Value element with a form of unqualified, with a minimum occurrence of 0, a maximum occurrence defined by the representation, and a type based on the [complex representation type](#339-Representation-with-Complex-Text-Format) defined according to the general rules defined in the previous section
820 +2. An attribute named id with a type of common: NCNameIDType, usage of required, and a fixed value of the identifier of the measure or attribute
819 819  
820 -* i. An element reference to common:[[Annotations>>doc:sdmx:Glossary.Annotation.WebHome]], with a minimum occurrence of 0
821 -* ii. A Value element with a form of unqualified, with a minimum occurrence of 0, a maximum occurrence defined by the [[representation>>doc:sdmx:Glossary.Representation.WebHome]], and a type based on the complex [[representation>>doc:sdmx:Glossary.Representation.WebHome]] type defined according to the general rules defined in the previous section
822 -
823 -2. An [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] named id with a type of common: NCNameIDType, usage of required, and a fixed value of the identifier of the [[measure>>doc:sdmx:Glossary.Measure.WebHome]] or [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]]
824 -
825 825  = 4 Data and Reference Metadata Actions =
826 826  
827 827  == 4.1 Data Actions ==
828 828  
829 -Data messages allow indicating intended actions when used to update an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] storage system. This purpose is noted in the action of the [[data set>>doc:sdmx:Glossary.Data set.WebHome]], which is either inherited from the header of the data message or explicitly stated at the [[data set>>doc:sdmx:Glossary.Data set.WebHome]] (% style="color:#e74c3c" %)level(%%).
826 +Data messages allow indicating intended actions when used to update an SDMX storage system. This purpose is noted in the action of the data set, which is either inherited from the header of the data message or explicitly stated at the data set level.
830 830  
831 -Note that the former *Append* and *Information* actions are deprecated. When used to update an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] storage system, the *Merge* action is assumed.
828 +Note that the former *Append* and *Information* actions are deprecated. When used to update an SDMX storage system, the *Merge* action is assumed.
832 832  
833 833  === 4.1.1 Merge Action ===
834 834  
835 -Data or data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] is to be merged, through either update or insertion depending on already existing information. This operation does not allow deleting any [[component>>doc:sdmx:Glossary.Component.WebHome]] values. Updating individual values in multi-valued [[measure>>doc:sdmx:Glossary.Measure.WebHome]], [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] or data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] values is not supported either. The complete multi-valued value is to be provided.
832 +Data or data-related reference metadata is to be merged, through either update or insertion depending on already existing information. This operation does not allow deleting any component values. Updating individual values in multi-valued measure, attribute or data-related reference metadata values is not supported either. The complete multi-valued value is to be provided.
836 836  
837 -Only non-dimensional [[components>>doc:sdmx:Glossary.Component.WebHome]] ([[measure>>doc:sdmx:Glossary.Measure.WebHome]], [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] or data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] values) can be **omitted** (null or absent) as long as at least one of those [[components>>doc:sdmx:Glossary.Component.WebHome]] is present. Bulk merges are thus not supported. Only the provided values are merged.
834 +Only non-dimensional components (measure, attribute or data-related reference metadata values) can be **omitted** (null or absent) as long as at least one of those components is present. Bulk merges are thus not supported. Only the provided values are merged.
838 838  
839 -[[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values for higher-(% style="color:#e74c3c" %)level(%%) (data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]]) [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] can be **switched-off** (using ) when those are not attached to these dimensions.
836 +Dimension values for higher-level (data-related reference metadata) attributes can be **switched-off** (using ) when those are not attached to these dimensions.
840 840  
841 -All observations as well as the sets of data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] at specific [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] combinations impacted by the *Merge* action change their time stamp when used to update an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] storage system.
838 +All observations as well as the sets of data-related reference metadata attributes at specific dimension combinations impacted by the *Merge* action change their time stamp when used to update an SDMX storage system.
842 842  
843 843  === 4.1.2 Replace Action ===
844 844  
845 -Data or data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] is to be replaced, through either update, insert or delete depending on already existing information. A full replacement is hereby assumed to take place at specific “//replacement (% style="color:#e74c3c" %)levels//(%%)”: for entire observations and for any specific [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] combination for data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]]. Within these “replacement (% style="color:#e74c3c" %)levels(%%)” the provided values are inserted or updated, and omitted values are deleted. Values provided for the other [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] (those above the observation (% style="color:#e74c3c" %)level(%%)) are merged (see //Merge// action).
842 +Data or data-related reference metadata is to be replaced, through either update, insert or delete depending on already existing information. A full replacement is hereby assumed to take place at specific “//replacement levels//”: for entire observations and for any specific dimension combination for data-related reference metadata attributes. Within these “replacement levels” the provided values are inserted or updated, and omitted values are deleted. Values provided for the other attributes (those above the observation level) are merged (see //Merge// action).
846 846  
847 -Only non-dimensional [[components>>doc:sdmx:Glossary.Component.WebHome]] ([[measure>>doc:sdmx:Glossary.Measure.WebHome]], [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] or [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] values) can be **omitted** (null or absent). Bulk replacing is thus not supported.
844 +Only non-dimensional components (measure, attribute or reference metadata values) can be **omitted** (null or absent). Bulk replacing is thus not supported.
848 848  
849 -[[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values for higher-(% style="color:#e74c3c" %)level(%%) (data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]]) [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] can be **switched-off** (using ) when those are not attached to these dimensions.
846 +Dimension values for higher-level (data-related reference metadata) attributes can be **switched-off** (using ) when those are not attached to these dimensions.
850 850  
851 851  Replacing non-existing elements is not resulting in an error.
852 852  
853 -All observations as well as the sets of data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] at specific [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] combinations impacted by the //Replace// action change their time stamp when used to update an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] storage system.
850 +All observations as well as the sets of data-related reference metadata attributes at specific dimension combinations impacted by the //Replace// action change their time stamp when used to update an SDMX storage system.
854 854  
855 -Because the //replace// action always takes place at specific (% style="color:#e74c3c" %)levels(%%), it cannot be used to replace a whole [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] or a whole series. However, a //“replace all”// effect can be achieved by combining a //Delete// [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] containing a completely wildcarded key (where all [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values are omitted) with a //Merge// or //Replace// [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] within the same data message. Similarly, to replace a whole series, a message can combine a //delete// [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] containing only the partial key of the series (where the not used [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values are omitted) with a //Merge// or //Replace// [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] for that series.
852 +Because the //replace// action always takes place at specific levels, it cannot be used to replace a whole dataset or a whole series. However, a //“replace all”// effect can be achieved by combining a //Delete// dataset containing a completely wildcarded key (where all dimension values are omitted) with a //Merge// or //Replace// dataset within the same data message. Similarly, to replace a whole series, a message can combine a //delete// dataset containing only the partial key of the series (where the not used dimension values are omitted) with a //Merge// or //Replace// dataset for that series.
856 856  
857 857  === 4.1.3 Delete Action ===
858 858  
859 -Data or data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] is to be deleted. Deletion is hereby assumed to take place at the lowest (% style="color:#e74c3c" %)level(%%) of detail provided in the message.
856 +Data or data-related reference metadata is to be deleted. Deletion is hereby assumed to take place at the lowest level of detail provided in the message.
860 860  
861 -Any [[component>>doc:sdmx:Glossary.Component.WebHome]] (including [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]) can be **omitted** ([[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]: empty, others: null or absent). Omitting [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values allows for bulk deletions. Partially omitting non-[[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] [[component>>doc:sdmx:Glossary.Component.WebHome]] values allows restricting the deletion of [[measure>>doc:sdmx:Glossary.Measure.WebHome]], [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] or data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] values to the ones being present. Instead of real values for non-dimensional [[components>>doc:sdmx:Glossary.Component.WebHome]], it is sufficient to use any valid value.
858 +Any component (including dimensions) can be **omitted** (dimensions: empty, others: null or absent). Omitting dimension values allows for bulk deletions. Partially omitting non-dimension component values allows restricting the deletion of measure, attribute or data-related reference metadata values to the ones being present. Instead of real values for non-dimensional components, it is sufficient to use any valid value.
862 862  
863 -With this, whole [[datasets>>doc:sdmx:Glossary.Data set.WebHome]], any slices of observations for [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] groups such as time series, observations or individual [[measure>>doc:sdmx:Glossary.Measure.WebHome]], [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] and data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] values can be deleted.
860 +With this, whole datasets, any slices of observations for dimension groups such as time series, observations or individual measure, attribute and data-related reference metadata attributes values can be deleted.
864 864  
865 -[[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values for higher-(% style="color:#e74c3c" %)level(%%) (data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]]) [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] can be **switched-off** (using ) when those are not attached to these [[dimensions>>doc:sdmx:Glossary.Dimension.WebHome]].
862 +Dimension values for higher-level (data-related reference metadata) attributes can be **switched-off** (using ) when those are not attached to these dimensions.
866 866  
867 867  Deleting non-existing elements or values is not resulting in an error.
868 868  
869 -All observations as well as the sets of [[attributes>>doc:sdmx:Glossary.Attribute.WebHome]] and data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] at higher partial keys impacted by the *Delete* action change their time stamp when used to update an [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] storage system.
866 +All observations as well as the sets of attributes and data-related reference metadata at higher partial keys impacted by the *Delete* action change their time stamp when used to update an SDMX storage system.
870 870  
871 871  === 4.1.4 Further Details ===
872 872  
873 -The following convention is used to indicate the state of [[components>>doc:sdmx:Glossary.Component.WebHome]] in data messages:
870 +The following convention is used to indicate the state of components in data messages:
874 874  
875 875  (% style="width:1364.29px" %)
876 876  | | |(% style="width:260px" %)**Dimension value is**|(% style="width:391px" %) |(% style="width:383px" %)**Measure, attribute or reference metadata value is**|(% style="width:184px" %)
... ... @@ -884,46 +884,46 @@
884 884  
885 885  **Important notes:**
886 886  
887 -The terms “//delete//”, “//merge//” and “//replace//” do **not** imply a physical replacement or deletion of values in the underlying database. To minimize the physical resource requirements, [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] web service implementations that do not support the //includeHistory// and //asOf// URL parameters might physically replace the existing values in the database. [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] web services that neither support the *updatedAfter* URL parameter might also implement physical deletions. However, [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] web services that support these parameters (or other time-machine features), would not overwrite or delete the physical values.
884 +The terms “//delete//”, “//merge//” and “//replace//” do **not** imply a physical replacement or deletion of values in the underlying database. To minimize the physical resource requirements, SDMX web service implementations that do not support the //includeHistory// and //asOf// URL parameters might physically replace the existing values in the database. SDMX web services that neither support the *updatedAfter* URL parameter might also implement physical deletions. However, SDMX web services that support these parameters (or other time-machine features), would not overwrite or delete the physical values.
888 888  
889 -[[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] web services that support the //includeHistory// or //asOf// URL parameters should never allow deleting their **historic** data content because this would interfere with the interests of [[data consumers>>doc:sdmx:Glossary.Data consumer.WebHome]], such as data aggregators. Therefore, a specific feature to physically delete previous (outdated) content is intentionally not added to the [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] standard syntax. If such a feature is required by an organisation, then it needs to be implemented as a custom feature outside the [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] standard.
886 +SDMX web services that support the //includeHistory// or //asOf// URL parameters should never allow deleting their **historic** data content because this would interfere with the interests of data consumers, such as data aggregators. Therefore, a specific feature to physically delete previous (outdated) content is intentionally not added to the SDMX standard syntax. If such a feature is required by an organisation, then it needs to be implemented as a custom feature outside the SDMX standard.
890 890  
891 -Likewise, all [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]]-compliant systems that do (or are configured to) support the //updatedAfter// URL parameter need to systematically retain the information about deleted data (or data-related reference metadata).
888 +Likewise, all SDMX-compliant systems that do (or are configured to) support the //updatedAfter// URL parameter need to systematically retain the information about deleted data (or data-related reference metadata).
892 892  
893 -All [[datasets>>doc:sdmx:Glossary.Data set.WebHome]] – even with varying actions – within a single data message have always to be treated as **ACID transaction** to guarantee “transactional safety” (full data consistency and validity despite errors, power failures, and other mishaps). These [[datasets>>doc:sdmx:Glossary.Data set.WebHome]] are to be processed in the order of appearance in the message. The advantage of such data messages is thus the ability to bundle separate //delete// and //replace// or //merge// actions into one transactional data message.
890 +All datasets – even with varying actions – within a single data message have always to be treated as **ACID transaction** to guarantee “transactional safety” (full data consistency and validity despite errors, power failures, and other mishaps). These datasets are to be processed in the order of appearance in the message. The advantage of such data messages is thus the ability to bundle separate //delete// and //replace// or //merge// actions into one transactional data message.
894 894  
895 -**Recommended{{footnote}}So far this is recommended for systems that do not require backward-compatibility. Later, with SDMX 4.0, this may generally be made mandatory{{/footnote}} [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] actions in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] web service responses to GET data queries:**
892 +**Recommended{{footnote}}So far this is recommended for systems that do not require backward-compatibility. Later, with SDMX 4.0, this may generally be made mandatory{{/footnote}} dataset actions in SDMX web service responses to GET data queries:**
896 896  
897 -~1. Without the //updatedAfter//, //includeHistory//, //detail//, //[[attributes>>doc:sdmx:Glossary.Attribute.WebHome]]// or //[[measures>>doc:sdmx:Glossary.Measure.WebHome]]// URL parameters:
894 +~1. Without the //updatedAfter//, //includeHistory//, //detail//, //attributes// or //measures// URL parameters:
898 898  
899 -The response message should contain the retrieved data in a //Replace// [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] (instead of the previous *information* [[dataset>>doc:sdmx:Glossary.Data set.WebHome]]).
896 +The response message should contain the retrieved data in a //Replace// dataset (instead of the previous *information* dataset).
900 900  
901 -2. Without the //updatedAfter// and //includeHistory//, but with //detail//, //[[attributes>>doc:sdmx:Glossary.Attribute.WebHome]]// or //[[measures>>doc:sdmx:Glossary.Measure.WebHome]]// URL parameters:
898 +2. Without the //updatedAfter// and //includeHistory//, but with //detail//, //attributes// or //measures// URL parameters:
902 902  
903 -The response message should contain the retrieved data in a //Merge// [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] (instead of the previous *Information* [[dataset>>doc:sdmx:Glossary.Data set.WebHome]]).
900 +The response message should contain the retrieved data in a //Merge// dataset (instead of the previous *Information* dataset).
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:
904 +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.Data set.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 and
910 -a //Replace// [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] for all other changed observations and changed [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] and data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] values attached to specific [[dimension>>doc:sdmx:Glossary.Dimension.WebHome]] combinations, or 
911 -* a //Delete// [[dataset>>doc:sdmx:Glossary.Data set.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.Reference metadata.WebHome]] values and
912 -a //Merge// [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] for all other updated or inserted observation, [[attribute>>doc:sdmx:Glossary.Attribute.WebHome]] and data-related [[reference metadata>>doc:sdmx:Glossary.Reference metadata.WebHome]] values.
906 +* 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
907 +a //Replace// dataset for all other changed observations and changed attribute and data-related reference metadata values attached to specific dimension combinations, or 
908 +* 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
909 +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.Data set.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.
915 +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.Data set.WebHome]] should have its validity time span limited to the point in time requested in the *asOf* parameter.
919 +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.Reference metadata.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.Structural metadata.WebHome]] ([[artefacts>>doc:sdmx:Glossary.Artefact.WebHome]]): When interacting with [[SDMX>>doc:sdmx:Glossary.Statistical data 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.Statistical data and metadata exchange.WebHome]] storage system will only add or update the included languages but not change other languages.
923 +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