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Changes for page 10 Constraints

Last modified by Artur on 2025/09/10 11:19
From version 4.2
edited by Elena
on 2025/06/18 18:43
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To version 3.2
edited by Helena
on 2025/06/16 12:31
Change comment: There is no comment for this version

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1 -xwiki:XWiki.elenasemanticproorg
1 +xwiki:XWiki.helena
Content
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4 4  
5 5  == 10.1 Introduction ==
6 6  
7 -(% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) are used as a way to restrict what data can be reported, or to report what data exists in a given context.  There are three types of (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%), which serve different purposes
7 +(% style="color:#e74c3c" %)Constraints(%%) are used as a way to restrict what data can be reported, or to report what data exists in a given context.  There are three types of (% style="color:#e74c3c" %)Constraint(%%), which serve different purposes
8 8  
9 -* Availability (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]]
10 -* [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]]
11 -* Reporting (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]]
9 +* Availability (% style="color:#e74c3c" %)Constraint
10 +* [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint
11 +* Reporting (% style="color:#e74c3c" %)Constraints
12 12  
13 -An Availability (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) defines the data that exists in the context of a data query.
13 +An Availability (% style="color:#e74c3c" %)Constraint(%%) defines the data that exists in the context of a data query.
14 14  
15 -They form part of the response message from the Availability REST API. Availability (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) are dynamically generated by a system based on the data that exists and the query context.  Availability (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) are therefore not Identifiable structures (they have no URN).
15 +They form part of the response message from the Availability REST API. Availability (% style="color:#e74c3c" %)Constraints(%%) are dynamically generated by a system based on the data that exists and the query context.  Availability (% style="color:#e74c3c" %)Constraints(%%) are therefore not Identifiable structures (they have no URN).
16 16  
17 -A [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is a property of a [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]], they are used to fix the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] that they use in the [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] which they use. [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) enable [[Data Structure Definitions>>doc:sdmx:Glossary.Data structure definition.WebHome]] to evolve over time by having new [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added, without having to undergo a major (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) change. 
17 +A [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) is a property of a [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]], they are used to fix the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] that they use in the [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]] which they use. [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraints(%%) enable [[Data Structure Definitions>>doc:sdmx:Glossary.Data structure definition.WebHome]] to evolve over time by having new [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added, without having to undergo a major (% style="color:#e74c3c" %)version(%%) change. 
18 18  
19 -A Reporting (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is used to define the set of allowed and/or disallowed values that can be reported in a data or metadata set.
19 +A Reporting (% style="color:#e74c3c" %)Constraint(%%) is used to define the set of allowed and/or disallowed values that can be reported in a data or [[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]].
20 20  
21 21  == 10.2 Availability Constraint ==
22 22  
23 -An Availability (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is not a maintained structure, instead it is generated dynamically as a response to the availability REST API. The purpose of the Availability (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is to define the distinct set of values that have data over 1 or more [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]].  Unlike a Data and Metadata (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%), which can attach to multiple Constrainable structures (of the same type), an Availability (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) can only attach to only one structure.  The attachment defines the context of the response (data exists for [[components>>doc:sdmx:Glossary.Component.WebHome]] in the context of).  The subset of Constrainable structures the Availability (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) can attach to are:
23 +An Availability (% style="color:#e74c3c" %)Constraint(%%) is not a maintained structure, instead it is generated dynamically as a response to the availability REST API. The purpose of the Availability (% style="color:#e74c3c" %)Constraint(%%) is to define the distinct set of values that have data over 1 or more [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]].  Unlike a Data and Metadata (% style="color:#e74c3c" %)Constraint(%%), which can attach to multiple Constrainable structures (of the same type), an Availability (% style="color:#e74c3c" %)Constraint(%%) can only attach to only one structure.  The attachment defines the context of the response (data exists for [[components>>doc:sdmx:Glossary.Component.WebHome]] in the context of).  The subset of Constrainable structures the Availability (% style="color:#e74c3c" %)Constraint(%%) can attach to are:
24 24  
25 25  * [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]
26 26  * [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]
27 -* Provision Agreement
27 +* [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]]
28 28  
29 29  == 10.3 Dimension Constraint ==
30 30  
31 -A [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is a property of a [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]; its purpose is to explicitly list the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] from the corresponding [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that are being used by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]. 
31 +A [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) is a property of a [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]; its purpose is to explicitly list the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] from the corresponding [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that are being used by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]. 
32 32  
33 -[[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) were introduced in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.1 and are not required for most [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]] where the [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] must always contain the full complement of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] as defined by the corresponding [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. However, for some complex data collections, which may span long periods and where the full complement of required [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] are not necessarily known at design time, the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] is subject to increasing its Dimensionality over time.  In this scenario it is possible to define the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] as an evolving structure, this property tells the user that the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] can have new [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added without having to undergo a major (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) change; a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] at (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) 1.0.0 for example would be able to add a new [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] and move to (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) 1.1.0; a change that would not ordinarily be allowed.  A minor (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) change on the addition of a new [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] is only possible if the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] defines itself as an evolving structure.   This is a new property of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] introduced in (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) 3.1 to satisfy this use case.  The evolving structure  property is either true or false, defaulting to false if not specified.  Setting the evolving structure property to true requires a major (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) change, and therefore can only be introduced on an x.0.0 release (e.g. 1.0.0).  The evolving structure property can be set to false to indicate that there will be no additional [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added to the Data Structure under the same major (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) number; setting the evolving structure property to false does not require require a major (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) change on the Data Structure.   
33 +[[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraints(%%) were introduced in [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] 3.1 and are not required for most [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]] where the [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] must always contain the full complement of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] as defined by the corresponding [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. However, for some complex data collections, which may span long periods and where the full complement of required [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] are not necessarily known at design time, the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] is subject to increasing its Dimensionality over time.  In this scenario it is possible to define the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] as an evolving structure, this property tells the user that the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] can have new [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added without having to undergo a major (% style="color:#e74c3c" %)version(%%) change; a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] at (% style="color:#e74c3c" %)version(%%) 1.0.0 for example would be able to add a new [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] and move to (% style="color:#e74c3c" %)version(%%) 1.1.0; a change that would not ordinarily be allowed.  A minor (% style="color:#e74c3c" %)version(%%) change on the addition of a new [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] is only possible if the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] defines itself as an evolving structure.   This is a new property of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] introduced in (% style="color:#e74c3c" %)version(%%) 3.1 to satisfy this use case.  The evolving structure  property is either true or false, defaulting to false if not specified.  Setting the evolving structure property to true requires a major (% style="color:#e74c3c" %)version(%%) change, and therefore can only be introduced on an x.0.0 release (e.g. 1.0.0).  The evolving structure property can be set to false to indicate that there will be no additional [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] added to the Data Structure under the same major (% style="color:#e74c3c" %)version(%%) number; setting the evolving structure property to false does not require require a major (% style="color:#e74c3c" %)version(%%) change on the Data Structure.   
34 34  
35 -When a [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] references a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], late binding on the minor release, and the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] has the evolving structure property set to true, then the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] must contain a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) to protect its Dimensionality from changing over time without a (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) change. 
35 +When a [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] references a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], late binding on the minor release, and the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] has the evolving structure property set to true, then the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] must contain a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) to protect its Dimensionality from changing over time without a (% style="color:#e74c3c" %)version(%%) change. 
36 36  
37 -The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) provides the explicit list of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] that the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] uses from the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that it references.  This enables the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] to evolve over time without breaking the compatibility of [[datasets>>doc:sdmx:Glossary.Data set.WebHome]] against the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]. 
37 +The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) provides the explicit list of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] that the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] uses from the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that it references.  This enables the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] to evolve over time without breaking the compatibility of [[datasets>>doc:sdmx:Glossary.Data set.WebHome]] against the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]. 
38 38  
39 -__**Rules for a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]]**__
39 +__**Rules for a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%)**__
40 40  
41 -* A [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] must contain a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) if the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] which it uses states that it is an evolving structure and the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] is late binding on the minor release (latest minor release of a given major (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%), e.g. 1.0+.0)
42 -* The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) can only include [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] from the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that is referenced by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]].
43 -* A [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) can only be changed if the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] undergoes a major (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) change
44 -* [[Datasets>>doc:sdmx:Glossary.Data set.WebHome]] reported against the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] must only contain reported values for the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] specified in the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%). 
45 -* When exporting data for the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]], the [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] should only include the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] specified by the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%).
41 +* A [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] must contain a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) if the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] which it uses states that it is an evolving structure and the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] is late binding on the minor release (latest minor release of a given major (% style="color:#e74c3c" %)version(%%), e.g. 1.0+.0)
42 +* The [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) can only include [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] from the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] that is referenced by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]].
43 +* A [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) can only be changed if the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] undergoes a major (% style="color:#e74c3c" %)version(%%) change
44 +* [[Datasets>>doc:sdmx:Glossary.Data set.WebHome]] reported against the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] must only contain reported values for the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] specified in the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%). 
45 +* When exporting data for the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]], the [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] should only include the [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] specified by the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%).
46 46  * When exporting data for the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] the [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] must contain the full set of [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] as specified by the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]. The tilde ‘’ character is used to represent a value which is not present due to the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] not being included in the corresponding [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]].
47 47  
48 48  __**Example [[Datasets>>doc:sdmx:Glossary.Data set.WebHome]] with Evolving Structures**__
49 49  
50 -A [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] is built against a [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]].  The [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] contains data for two [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]].  [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]] ‘DF_POP’ uses a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) which fixes its [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] to  FREQ and REF_AREA.  [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] ‘DF_POP_SA’ does not reference a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%), and as such includes all [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] as specified by the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].  
50 +A [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] is built against a [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]].  The [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] contains data for two [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]].  [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]] ‘DF_POP’ uses a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%) which fixes its [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] to  FREQ and REF_AREA.  [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] ‘DF_POP_SA’ does not reference a [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] (% style="color:#e74c3c" %)Constraint(%%), and as such includes all [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] as specified by the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].  
51 51  
52 52  The resulting [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] contains values ‘’ for both the [[SEX>>doc:sdmx:Glossary.Sex.WebHome]] and [[AGE>>doc:sdmx:Glossary.Age.WebHome]] [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] for the series related to DF_POP.
53 53  
54 54  (% style="width:758.294px" %)
55 -|(% style="width:119px" %)**Dataflow**|(% colspan="7" style="width:635px" %)**FREQ REF_AREA SEX AGE OBS_VALUE TIME_PERIOD UNIT**
55 +|(% style="width:119px" %)**[[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]**|(% colspan="7" style="width:635px" %)**FREQ REF_AREA [[SEX>>doc:sdmx:Glossary.Sex.WebHome]] [[AGE>>doc:sdmx:Glossary.Age.WebHome]] OBS_VALUE TIME_PERIOD UNIT**
56 56  |(% style="width:119px" %)**DF_POP**|(% style="width:55px" %)A|(% style="width:103px" %)UK|(% style="width:79px" %) |(% style="width:92px" %) |(% style="width:93px" %)65|(% style="width:111px" %)2022|(% style="width:101px" %)6
57 57  |(% style="width:119px" %)**DF_POP**|(% style="width:55px" %)A|(% style="width:103px" %)FR|(% style="width:79px" %) |(% style="width:92px" %) |(% style="width:93px" %)50|(% style="width:111px" %)2022|(% style="width:101px" %)6
58 58  |(% style="width:119px" %)**DF_POP_SA**|(% style="width:55px" %)A|(% style="width:103px" %)UK|(% style="width:79px" %)M|(% style="width:92px" %)1|(% style="width:93px" %)1.2|(% style="width:111px" %)2022|(% style="width:101px" %)6
... ... @@ -59,20 +59,20 @@
59 59  
60 60  == 10.4 Reporting Constraints ==
61 61  
62 -A Reporting (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is a [[Maintainable Artefact>>doc:sdmx:Glossary.Maintainable artefact.WebHome]] which restricts the values that can be reported in a [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] or [[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]] based on one or more inclusion or exclusion rules. 
62 +A Reporting (% style="color:#e74c3c" %)Constraint(%%) is a [[Maintainable Artefact>>doc:sdmx:Glossary.Maintainable artefact.WebHome]] which restricts the values that can be reported in a [[dataset>>doc:sdmx:Glossary.Data set.WebHome]] or [[metadata set>>doc:sdmx:Glossary.Metadata set.WebHome]] based on one or more inclusion or exclusion rules. 
63 63  
64 -A reporting (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is one of the following concrete types:
64 +A reporting (% style="color:#e74c3c" %)constraint(%%) is one of the following concrete types:
65 65  
66 -* Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]]
67 -* Metadata (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]]
66 +* Data (% style="color:#e74c3c" %)Constraint
67 +* Metadata (% style="color:#e74c3c" %)Constraint
68 68  
69 69  === 10.4.1 Data Constraint ===
70 70  
71 -A Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is used to add additional restrictions to the allowable values reported in a [[dataset>>doc:sdmx:Glossary.Data set.WebHome]].  Data (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) can be applied to the follow structures which are collectively known as Constrainable structures:
71 +A Data (% style="color:#e74c3c" %)Constraint(%%) is used to add additional restrictions to the allowable values reported in a [[dataset>>doc:sdmx:Glossary.Data set.WebHome]].  Data (% style="color:#e74c3c" %)Constraints(%%) can be applied to the follow structures which are collectively known as Constrainable structures:
72 72  
73 -* Data Structure Definition
74 -* Dataflow
75 -* Provision Agreement
73 +* [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]
74 +* [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]
75 +* [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]]
76 76  * Data Provider
77 77  
78 78  **Note** regardless of the Constrainable structure, the restricted values relate to  the allowable content for the [[Component>>doc:sdmx:Glossary.Component.WebHome]] of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] to which the constrained object relates. 
... ... @@ -79,11 +79,11 @@
79 79  
80 80  === 10.4.2 Metadata Constraint ===
81 81  
82 -A Metadata (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is used to add additional restrictions to the allowable values reported in a metadataset.  Metadata (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) can be applied to the follow structures which are collectively known as Constrainable structures:
82 +A Metadata (% style="color:#e74c3c" %)Constraint(%%) is used to add additional restrictions to the allowable values reported in a metadataset.  Metadata (% style="color:#e74c3c" %)Constraints(%%) can be applied to the follow structures which are collectively known as Constrainable structures:
83 83  
84 84  * Metadata Structure Definition
85 -* Metadataflow
86 -* Metadata Provision Agreement
85 +* [[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]]
86 +* Metadata [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]]
87 87  * Metadata Provider
88 88  
89 89  **Note** regardless of the Constrainable structure,  the restricted values relate to  the allowable content for the [[Component>>doc:sdmx:Glossary.Component.WebHome]] of the [[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] to which the constrained object relates. 
... ... @@ -90,7 +90,7 @@
90 90  
91 91  === 10.4.3 Scope of a Constraint ===
92 92  
93 -A (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is used specify the content of a data or metadata source in terms of the [[component>>doc:sdmx:Glossary.Component.WebHome]] values or the keys.
93 +A (% style="color:#e74c3c" %)Constraint(%%) is used specify the content of a data or metadata source in terms of the [[component>>doc:sdmx:Glossary.Component.WebHome]] values or the keys.
94 94  
95 95  In terms of data the [[components>>doc:sdmx:Glossary.Component.WebHome]] are:
96 96  
... ... @@ -105,58 +105,58 @@
105 105  
106 106  * Metadata [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]]
107 107  
108 -For a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) based on a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) can reference one or more of:
108 +For a (% style="color:#e74c3c" %)Constraint(%%) based on a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] the (% style="color:#e74c3c" %)Constraint(%%) can reference one or more of:
109 109  
110 -* Data Structure Definition
111 -* Dataflow
112 -* Provision Agreement
110 +* [[Data Structure Definition>>doc:sdmx:Glossary.Data structure definition.WebHome]]
111 +* [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]
112 +* [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]]
113 113  * Data Provider
114 114  
115 -For a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) based on an [[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) can reference one or more of:
115 +For a (% style="color:#e74c3c" %)Constraint(%%) based on an [[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] the (% style="color:#e74c3c" %)Constraint(%%) can reference one or more of:
116 116  
117 117  * Metadata Structure Definition
118 -* Metadataflow
119 -* Metadata Provision Agreement
118 +* [[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]]
119 +* Metadata [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]]
120 120  * Metadata Provider
121 121  * [[Metadata Set>>doc:sdmx:Glossary.Metadata set.WebHome]]
122 122  
123 -Furthermore, there can be more than one (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) specified for a specific object e.g., more than one (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) for a specific [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
123 +Furthermore, there can be more than one (% style="color:#e74c3c" %)Constraint(%%) specified for a specific object e.g., more than one (% style="color:#e74c3c" %)Constraint(%%) for a specific [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
124 124  
125 -In view of the flexibility of (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) attachment, clear rules on their usage are required. These are elaborated below.
125 +In view of the flexibility of (% style="color:#e74c3c" %)constraints(%%) attachment, clear rules on their usage are required. These are elaborated below.
126 126  
127 127  === 10.4.4 Multiple Constraints ===
128 128  
129 -There can be many (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) for any Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] (e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]), subject to the following restrictions:
129 +There can be many (% style="color:#e74c3c" %)Constraints(%%) for any Constrainable [[Artefact>>doc:sdmx:Glossary.Artefact.WebHome]] (e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]), subject to the following restrictions:
130 130  
131 131  ==== 10.4.4.1 Cube Region ====
132 132  
133 -A (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) can contain multiple [[Member Selections>>doc:sdmx:Glossary.Member selection.WebHome]] (e.g., Dimensions).
133 +A (% style="color:#e74c3c" %)Constraint(%%) can contain multiple [[Member Selections>>doc:sdmx:Glossary.Member selection.WebHome]] (e.g., [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]).
134 134  
135 -* A specific [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] (e.g., [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] FREQ) can only be contained in one Cube Region for any one attached object (e.g., a specific [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] or specific Dataflow).
135 +* A specific [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] (e.g., [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] FREQ) can only be contained in one Cube Region for any one attached object (e.g., a specific [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] or specific [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]).
136 136  * [[Component>>doc:sdmx:Glossary.Component.WebHome]] values within a [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] may define a validity period. Otherwise, the value is valid for the whole validity of the Cube Region.
137 -* For partial reference resolution purposes (as per the [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] REST API), the latest non-draft (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) must be considered.
138 -* A [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] may include wildcarding of values (using character ‘%’ to represent zero or more occurrences of any character), as well as cascading through hierarchic structures (e.g., parents in [[Codelist>>doc:sdmx:Glossary.Code list.WebHome]]), or localised values (e.g., text for English only). Lack of locale means any language may match. Cascading values are mutual exclusive to localised values, as the former refer to coded values, while the latter refer to uncoded values.
137 +* For partial reference resolution purposes (as per the [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] REST API), the latest non-draft (% style="color:#e74c3c" %)Constraint(%%) must be considered.
138 +* A [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] may include wildcarding of values (using character ‘%’ to represent zero or more occurrences of any character), as well as cascading through hierarchic structures (e.g., parents in Codelist), or localised values (e.g., text for English only). Lack of locale means any language may match. Cascading values are mutual exclusive to localised values, as the former refer to coded values, while the latter refer to uncoded values.
139 139  * Any values included in a [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] for [[Components>>doc:sdmx:Glossary.Component.WebHome]] with an array data type (i.e., [[Measures>>doc:sdmx:Glossary.Measure.WebHome]], [[Attributes>>doc:sdmx:Glossary.Attribute.WebHome]] or Metadata [[Attributes>>doc:sdmx:Glossary.Attribute.WebHome]]), will be applied as single values and will not be assessed combined with other values to match all possible array values. For example, including the [[Code>>doc:sdmx:Glossary.Code.WebHome]] ‘A’ for an [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] will allow any instance of the [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] that includes ‘A’, like [‘A’, ‘B’] or [‘A’, ‘C’, ‘D’]. Similarly, if [[Code>>doc:sdmx:Glossary.Code.WebHome]] ‘A’ was excluded, all those arrays of values would also be excluded.
140 140  
141 141  ==== 10.4.4.2 Key Set ====
142 142  
143 -Key Sets will be processed in the order they appear in the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) and wildcards can be used (e.g., any key position not reference explicitly is deemed to be "all values").
143 +Key Sets will be processed in the order they appear in the (% style="color:#e74c3c" %)Constraint(%%) and wildcards can be used (e.g., any key position not reference explicitly is deemed to be "all values").
144 144  
145 145  As the Key Sets can be "included" or "excluded" it is recommended that Key Sets with wildcards are declared before KeySets with specific [[series keys>>doc:sdmx:Glossary.Series key.WebHome]]. This will minimize the risk that keys are inadvertently included or excluded.
146 146  
147 -In addition, [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]], [[Measure>>doc:sdmx:Glossary.Measure.WebHome]] and Metadata [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) may accompany KeySets, in order to specify the allowed values per Key. Those are expressed following the rules for Cube Regions, as explained above.
147 +In addition, [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]], [[Measure>>doc:sdmx:Glossary.Measure.WebHome]] and Metadata [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] (% style="color:#e74c3c" %)constraints(%%) may accompany KeySets, in order to specify the allowed values per Key. Those are expressed following the rules for Cube Regions, as explained above.
148 148  
149 149  Finally, a validity period may be specified per Key.
150 150  
151 151  === 10.4.4 Versioning ===
152 152  
153 -When Data and Metadata (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) are versioned, the latest (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) of the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is used to generate the reporting restriction rules; all previous (% style="color:#e74c3c" %)[[versions>>doc:sdmx:Glossary.Version.WebHome]](%%) are for historical information only.
153 +When Data and Metadata (% style="color:#e74c3c" %)Constraints(%%) are versioned, the latest (% style="color:#e74c3c" %)version(%%) of the (% style="color:#e74c3c" %)Constraint(%%) is used to generate the reporting restriction rules; all previous (% style="color:#e74c3c" %)versions(%%) are for historical information only.
154 154  
155 -If restrictions are applicable to certain periods in time, the validFrom and validTo properties can be set on the specific values. This allows (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) to evolve over time, increasing their (% style="color:#e74c3c" %)[[version>>doc:sdmx:Glossary.Version.WebHome]](%%) number as they do so, whilst being able to maintain a complete set of reporting restrictions for current and past datasets.
155 +If restrictions are applicable to certain periods in time, the validFrom and validTo properties can be set on the specific values. This allows (% style="color:#e74c3c" %)Constraints(%%) to evolve over time, increasing their (% style="color:#e74c3c" %)version(%%) number as they do so, whilst being able to maintain a complete set of reporting restrictions for current and past [[datasets>>doc:sdmx:Glossary.Data set.WebHome]].
156 156  
157 157  Example:
158 158  
159 -Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) 1.0.0
159 +Data (% style="color:#e74c3c" %)Constraint(%%) 1.0.0
160 160  
161 161  (% style="width:573.294px" %)
162 162  |(% style="width:108px" %)[[Component>>doc:sdmx:Glossary.Component.WebHome]]|(% style="width:127px" %)Valid Value|(% style="width:150px" %)Valid from|(% style="width:185px" %)Valid to
... ... @@ -164,63 +164,63 @@
164 164  |(% style="width:127px" %)FR|(% style="width:150px" %) |(% style="width:185px" %)
165 165  |(% style="width:127px" %)DE|(% style="width:150px" %) |(% style="width:185px" %)
166 166  
167 -Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) 1.1.0
167 +Data (% style="color:#e74c3c" %)Constraint(%%) 1.1.0
168 168  
169 169  (% style="width:576.294px" %)
170 -|(% style="width:110px" %)Component|(% style="width:129px" %)Valid Value|(% style="width:145px" %)Valid from|(% style="width:189px" %)Valid to
170 +|(% style="width:110px" %)[[Component>>doc:sdmx:Glossary.Component.WebHome]]|(% style="width:129px" %)Valid Value|(% style="width:145px" %)Valid from|(% style="width:189px" %)Valid to
171 171  |(% rowspan="3" style="width:110px" %)COUNTRY|(% style="width:129px" %)UK|(% style="width:145px" %) |(% style="width:189px" %)
172 172  |(% style="width:129px" %)FR|(% style="width:145px" %) |(% style="width:189px" %)2012
173 173  |(% style="width:129px" %)DE|(% style="width:145px" %) |(% style="width:189px" %)
174 174  
175 -When both (% style="color:#e74c3c" %)[[versions>>doc:sdmx:Glossary.Version.WebHome]](%%) of the Data (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) are in a system, an [[observation value>>doc:sdmx:Glossary.Observation value.WebHome]] reported against COUNTRY FR for [[time period>>doc:sdmx:Glossary.Time period.WebHome]] 2013 would be deemed invalid as the 1.1.0 rule would be applied.
175 +When both (% style="color:#e74c3c" %)versions(%%) of the Data (% style="color:#e74c3c" %)Constraint(%%) are in a system, an [[observation value>>doc:sdmx:Glossary.Observation value.WebHome]] reported against COUNTRY FR for [[time period>>doc:sdmx:Glossary.Time period.WebHome]] 2013 would be deemed invalid as the 1.1.0 rule would be applied.
176 176  
177 177  === 10.4.6 Inheritance ===
178 178  
179 179  ==== 10.4.6.1 Attachment levels of a Constraint ====
180 180  
181 -There are three (% style="color:#e74c3c" %)[[levels>>doc:sdmx:Glossary.Level.WebHome]](%%) of (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) attachment for which these inheritance rules apply:
181 +There are three (% style="color:#e74c3c" %)levels(%%) of (% style="color:#e74c3c" %)constraint(%%) attachment for which these inheritance rules apply:
182 182  
183 -* [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]/[[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] – top (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]]
184 -** [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]/[[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] – second (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]]
185 -*** [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] – third (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]]
183 +* [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]]/[[MSD>>doc:sdmx:Glossary.Metadata structure definition.WebHome]] – top (% style="color:#e74c3c" %)level
184 +** [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]/[[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] – second (% style="color:#e74c3c" %)level
185 +*** [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] – third (% style="color:#e74c3c" %)level
186 186  
187 -It is not necessary for a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) to be attached to a higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]]. e.g., it is valid to have a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) for a [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] where there are no (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) attached the relevant [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] or [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
187 +It is not necessary for a (% style="color:#e74c3c" %)Constraint(%%) to be attached to a higher (% style="color:#e74c3c" %)level(%%) [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]]. e.g., it is valid to have a (% style="color:#e74c3c" %)Constraint(%%) for a [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] where there are no (% style="color:#e74c3c" %)constraints(%%) attached the relevant [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] or [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
188 188  
189 189  ==== 10.4.6.2 Cascade rules for processing Constraints ====
190 190  
191 -The processing of the (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) on either [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]/[[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] or [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] must take into account the (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) declared at higher (% style="color:#e74c3c" %)[[levels>>doc:sdmx:Glossary.Level.WebHome]](%%). The rules for the lower-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) (attached to [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]/ [[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] and [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]]) are detailed below.
191 +The processing of the (% style="color:#e74c3c" %)constraints(%%) on either [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]/[[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] or [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] must take into account the (% style="color:#e74c3c" %)constraints(%%) declared at higher (% style="color:#e74c3c" %)levels(%%). The rules for the lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)constraints(%%) (attached to [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]/ [[Metadataflow>>doc:sdmx:Glossary.Metadataflow.WebHome]] and [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]]) are detailed below.
192 192  
193 -Note that there can be a situation where a (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is specified at a lower (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) before a (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is specified at a higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%). Therefore, it is possible that a higher-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) makes a lower-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) invalid. [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] makes no rules on how such a conflict should be handled when processing the (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) for attachment. However, the cascade rules on evaluating (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) for usage are clear – the higher-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) takes precedence in any conflicts that result in a less restrictive specification at the lower (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%).
193 +Note that there can be a situation where a (% style="color:#e74c3c" %)constraint(%%) is specified at a lower (% style="color:#e74c3c" %)level(%%) before a (% style="color:#e74c3c" %)constraint(%%) is specified at a higher (% style="color:#e74c3c" %)level(%%). Therefore, it is possible that a higher-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)constraint(%%) makes a lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)constraint(%%) invalid. [[SDMX>>doc:sdmx:Glossary.Statistical data and metadata exchange.WebHome]] makes no rules on how such a conflict should be handled when processing the (% style="color:#e74c3c" %)constraint(%%) for attachment. However, the cascade rules on evaluating (% style="color:#e74c3c" %)constraints(%%) for usage are clear – the higher-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)constraint(%%) takes precedence in any conflicts that result in a less restrictive specification at the lower (% style="color:#e74c3c" %)level(%%).
194 194  
195 195  ==== 10.4.6.3 Cube Region ====
196 196  
197 -It is not necessary to have a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) on the higher-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] (e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] referenced by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]), but if there is such a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) at the higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%)(s) then:
197 +It is not necessary to have a (% style="color:#e74c3c" %)Constraint(%%) on the higher-(% style="color:#e74c3c" %)level(%%) [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] (e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] referenced by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]), but if there is such a (% style="color:#e74c3c" %)Constraint(%%) at the higher (% style="color:#e74c3c" %)level(%%)(s) then:
198 198  
199 -* The lower-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) cannot be less restrictive than the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) specified for the same [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] (e.g. [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]) at the next higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%), which constrains that [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]]. For example, if the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] FREQ is constrained to A, Q in a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], then the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) at the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] or [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] cannot be A, Q, M or even just M – it can only further constrain A, Q.
200 -* The (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) at the lower (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) for any one [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] further constrains the content for the same [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] at the higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%)(s).
201 -* Any [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]], which is not referenced in a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%), is deemed to be constrained according to the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) specified at the next higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) which (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) that [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]].
202 -* If there is a conflict when resolving the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) in terms of a lower-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) being less restrictive than a higher-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%), then the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) at the higher-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) is used.
199 +* The lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%) cannot be less restrictive than the (% style="color:#e74c3c" %)Constraint(%%) specified for the same [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] (e.g. [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]]) at the next higher (% style="color:#e74c3c" %)level(%%), which constrains that [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]]. For example, if the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] FREQ is constrained to A, Q in a [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], then the (% style="color:#e74c3c" %)Constraint(%%) at the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] or [[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] cannot be A, Q, M or even just M – it can only further constrain A, Q.
200 +* The (% style="color:#e74c3c" %)Constraint(%%) at the lower (% style="color:#e74c3c" %)level(%%) for any one [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] further constrains the content for the same [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] at the higher (% style="color:#e74c3c" %)level(%%)(s).
201 +* Any [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]], which is not referenced in a (% style="color:#e74c3c" %)Constraint(%%), is deemed to be constrained according to the (% style="color:#e74c3c" %)Constraint(%%) specified at the next higher (% style="color:#e74c3c" %)level(%%) which (% style="color:#e74c3c" %)constraints(%%) that [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]].
202 +* If there is a conflict when resolving the (% style="color:#e74c3c" %)Constraint(%%) in terms of a lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%) being less restrictive than a higher-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%), then the (% style="color:#e74c3c" %)Constraint(%%) at the higher-(% style="color:#e74c3c" %)level(%%) is used.
203 203  
204 -Note that it is possible for a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) at a higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) to constrain, say, four [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] in a single (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%), and a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) at a lower (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) to constrain the same four in two, three, or four (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%).
204 +Note that it is possible for a (% style="color:#e74c3c" %)Constraint(%%) at a higher (% style="color:#e74c3c" %)level(%%) to constrain, say, four [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] in a single (% style="color:#e74c3c" %)Constraint(%%), and a (% style="color:#e74c3c" %)Constraint(%%) at a lower (% style="color:#e74c3c" %)level(%%) to constrain the same four in two, three, or four (% style="color:#e74c3c" %)Constraints(%%).
205 205  
206 206  ==== 10.4.6.4 Key Set ====
207 207  
208 -It is not necessary to have a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) on the higher-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] (e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] referenced by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]), but if there is such a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) at the higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%)(s) then:
208 +It is not necessary to have a (% style="color:#e74c3c" %)Constraint(%%) on the higher-(% style="color:#e74c3c" %)level(%%) [[artefact>>doc:sdmx:Glossary.Artefact.WebHome]] (e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] referenced by the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]]), but if there is such a (% style="color:#e74c3c" %)Constraint(%%) at the higher (% style="color:#e74c3c" %)level(%%)(s) then:
209 209  
210 -* The lower-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) cannot be less restrictive than the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) specified at the higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%).
211 -* The (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) at the lower (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) for any one [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] further constrains the keys specified at the higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%)(s).
212 -* Any [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]], which is not referenced in a (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%), is deemed to be constrained according to the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) specified at the next higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) which (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) that [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]].
213 -* If there is a conflict when resolving the keys in the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) at two (% style="color:#e74c3c" %)[[levels>>doc:sdmx:Glossary.Level.WebHome]](%%), in terms of a lower-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) being less restrictive than a higher-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%), then the offending keys specified at the lower (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) are not deemed part of the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%).
210 +* The lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%) cannot be less restrictive than the (% style="color:#e74c3c" %)Constraint(%%) specified at the higher (% style="color:#e74c3c" %)level(%%).
211 +* The (% style="color:#e74c3c" %)Constraint(%%) at the lower (% style="color:#e74c3c" %)level(%%) for any one [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]] further constrains the keys specified at the higher (% style="color:#e74c3c" %)level(%%)(s).
212 +* Any [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]], which is not referenced in a (% style="color:#e74c3c" %)Constraint(%%), is deemed to be constrained according to the (% style="color:#e74c3c" %)Constraint(%%) specified at the next higher (% style="color:#e74c3c" %)level(%%) which (% style="color:#e74c3c" %)constraints(%%) that [[Member Selection>>doc:sdmx:Glossary.Member selection.WebHome]].
213 +* If there is a conflict when resolving the keys in the (% style="color:#e74c3c" %)Constraint(%%) at two (% style="color:#e74c3c" %)levels(%%), in terms of a lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)constraint(%%) being less restrictive than a higher-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%), then the offending keys specified at the lower (% style="color:#e74c3c" %)level(%%) are not deemed part of the (% style="color:#e74c3c" %)Constraint(%%).
214 214  
215 -Note that a Key in a Key Set can have wildcarded [[Components>>doc:sdmx:Glossary.Component.WebHome]]. For instance, the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) may simply constrain the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] FREQ to "A", and all keys where the FREQ="A" are therefore valid.
215 +Note that a Key in a Key Set can have wildcarded [[Components>>doc:sdmx:Glossary.Component.WebHome]]. For instance, the (% style="color:#e74c3c" %)Constraint(%%) may simply constrain the [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] FREQ to "A", and all keys where the FREQ="A" are therefore valid.
216 216  
217 217  The following logic explains how the inheritance mechanism works. Note that this is conceptual logic and actual systems may differ in the way this is implemented.
218 218  
219 -1. Determine all possible keys that are valid at the higher (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%).
220 -1. These keys are deemed to be inherited by the lower-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) constrained object, subject to the (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) specified at the lower (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%).
221 -1. Determine all possible keys that are possible using the (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) specified at the lower (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%).
222 -1. At the lower (% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) inherit all keys that match with the higher-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%).
223 -1. If there are keys in the lower-(% style="color:#e74c3c" %)[[level>>doc:sdmx:Glossary.Level.WebHome]](%%) (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) that are not inherited then the key is invalid (i.e., it is less restrictive).
219 +1. Determine all possible keys that are valid at the higher (% style="color:#e74c3c" %)level(%%).
220 +1. These keys are deemed to be inherited by the lower-(% style="color:#e74c3c" %)level(%%) constrained object, subject to the (% style="color:#e74c3c" %)Constraints(%%) specified at the lower (% style="color:#e74c3c" %)level(%%).
221 +1. Determine all possible keys that are possible using the (% style="color:#e74c3c" %)Constraints(%%) specified at the lower (% style="color:#e74c3c" %)level(%%).
222 +1. At the lower (% style="color:#e74c3c" %)level(%%) inherit all keys that match with the higher-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%).
223 +1. If there are keys in the lower-(% style="color:#e74c3c" %)level(%%) (% style="color:#e74c3c" %)Constraint(%%) that are not inherited then the key is invalid (i.e., it is less restrictive).
224 224  
225 225  === 10.4.7 Constraints Examples ===
226 226  
... ... @@ -231,28 +231,25 @@
231 231  A [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] contains the following [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]:
232 232  
233 233  * GEO – Geography
234 -* SEX – Sex
235 -* AGE – Age
234 +* [[SEX>>doc:sdmx:Glossary.Sex.WebHome]] – [[Sex>>doc:sdmx:Glossary.Sex.WebHome]]
235 +* [[AGE>>doc:sdmx:Glossary.Age.WebHome]] – [[Age>>doc:sdmx:Glossary.Age.WebHome]]
236 236  * CAS – Current Activity Status
237 237  
238 -In the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], common [[code lists>>doc:sdmx:Glossary.Code list.WebHome]] are used and the requirement is to restrict these at various (% style="color:#e74c3c" %)[[levels>>doc:sdmx:Glossary.Level.WebHome]](%%) to specify the actual [[code>>doc:sdmx:Glossary.Code.WebHome]] that are valid for the object to which the (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) is attached.
238 +In the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]], common [[code lists>>doc:sdmx:Glossary.Code list.WebHome]] are used and the requirement is to restrict these at various (% style="color:#e74c3c" %)levels(%%) to specify the actual [[code>>doc:sdmx:Glossary.Code.WebHome]] that are valid for the object to which the (% style="color:#e74c3c" %)Constraint(%%) is attached.
239 239  
240 240  [[image:1750065279010-260.png]]
241 241  
242 -**Figure 20: Example Scenario for Constraints **
242 +**Figure 20: Example Scenario for (% style="color:#e74c3c" %)Constraints(%%) **(% style="color:#e74c3c" %)Constraints(%%) are declared as follows:
243 243  
244 -Constraints are declared as follows:
245 -
246 246  [[image:1750065319060-899.png]]
247 247  
248 -**Figure 21: Example Constraints**
246 +**Figure 21: Example (% style="color:#e74c3c" %)Constraints(%%)**
249 249  
250 250  Notes:
251 251  
252 -
253 253  [[AGE>>doc:sdmx:Glossary.Age.WebHome]] is constrained for the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] and is further restricted for the [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE1.
254 254  
255 -* The same (% style="color:#e74c3c" %)[[Constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) applies to both Provision Agreements.
252 +* The same (% style="color:#e74c3c" %)Constraint(%%) applies to both Provision Agreements.
256 256  
257 257  The cascade rules elaborated above result as follows:
258 258  
... ... @@ -262,40 +262,40 @@
262 262  
263 263  [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE1
264 264  
265 -* Constrained by restricting the [[code list>>doc:sdmx:Glossary.Code list.WebHome]] for the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] to [[codes>>doc:sdmx:Glossary.Code.WebHome]] 002 and 003 (note that this is a more restrictive (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) than that declared for the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] which specifies all [[codes>>doc:sdmx:Glossary.Code.WebHome]] except [[code>>doc:sdmx:Glossary.Code.WebHome]] 001).
262 +* Constrained by restricting the [[code list>>doc:sdmx:Glossary.Code list.WebHome]] for the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] to [[codes>>doc:sdmx:Glossary.Code.WebHome]] 002 and 003 (note that this is a more restrictive (% style="color:#e74c3c" %)constraint(%%) than that declared for the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] which specifies all [[codes>>doc:sdmx:Glossary.Code.WebHome]] except [[code>>doc:sdmx:Glossary.Code.WebHome]] 001).
266 266  ** Restricts the CAS [[codes>>doc:sdmx:Glossary.Code.WebHome]] to 003 and 004.
267 267  
268 268  [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE2
269 269  
270 270  * Restricts the [[code list>>doc:sdmx:Glossary.Code list.WebHome]] for the CAS [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] to [[codes>>doc:sdmx:Glossary.Code.WebHome]] TOT and NAP.
271 -** Inherits the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) applied at the level of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
268 +** Inherits the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] (% style="color:#e74c3c" %)constraint(%%) applied at the (% style="color:#e74c3c" %)level(%%) of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
272 272  
273 -Provision Agreement CENSUS_CUBE1_IT
270 +[[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] CENSUS_CUBE1_IT
274 274  
275 275  * Restricts the [[codes>>doc:sdmx:Glossary.Code.WebHome]] for the GEO [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] to IT and its children.
276 -** Inherits the (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) from [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE1 for the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] and CAS Dimensions.
273 +** Inherits the (% style="color:#e74c3c" %)constraints(%%) from [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE1 for the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] and CAS [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]].
277 277  
278 -Provision Agreement CENSUS_CUBE2_IT
275 +[[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] CENSUS_CUBE2_IT
279 279  
280 280  * Restricts the [[codes>>doc:sdmx:Glossary.Code.WebHome]] for the GEO [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] to IT and its children.
281 -** Inherits the (% style="color:#e74c3c" %)[[constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) from [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE2 for the CAS [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]].
282 -** Inherits the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] (% style="color:#e74c3c" %)[[constraint>>doc:sdmx:Glossary.Constraint.WebHome]](%%) applied at the level of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
278 +** Inherits the (% style="color:#e74c3c" %)constraints(%%) from [[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] CENSUS_CUBE2 for the CAS [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]].
279 +** Inherits the [[AGE>>doc:sdmx:Glossary.Age.WebHome]] (% style="color:#e74c3c" %)constraint(%%) applied at the (% style="color:#e74c3c" %)level(%%) of the [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]].
283 283  
284 -The (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) are defined as follows:
281 +The (% style="color:#e74c3c" %)Constraints(%%) are defined as follows:
285 285  
286 -DSD Constraint
283 +[[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] (% style="color:#e74c3c" %)Constraint
287 287  
288 288  [[image:1750065367824-357.png]]
289 289  
290 -Dataflow Constraints
287 +[[Dataflow>>doc:sdmx:Glossary.Dataflow.WebHome]] (% style="color:#e74c3c" %)Constraints
291 291  
292 292  [[image:1750065392163-400.png]]
293 293  
294 -Provision Agreement Constraint
291 +[[Provision Agreement>>doc:sdmx:Glossary.Provision agreement.WebHome]] (% style="color:#e74c3c" %)Constraint
295 295  
296 296  [[image:1750065461589-995.png]]
297 297  
298 -**10.4.7.2 Combination of Constraints**
295 +**10.4.7.2 Combination of (% style="color:#e74c3c" %)Constraints(%%)**
299 299  
300 300  The possible combination of constraining terms are explained in this section, following a few examples.
301 301  
... ... @@ -310,13 +310,13 @@
310 310  |(% style="width:204px" %)(% style="color:#16a085" %)[[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]]|(% style="width:252px" %)(% style="color:#16a085" %)OBS_STATUS
311 311  |(% style="width:204px" %)(% style="color:#16a085" %)[[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]]|(% style="width:252px" %)(% style="color:#16a085" %)UNIT
312 312  |(% style="width:204px" %)(% style="color:#16a085" %)[[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]]|(% style="width:252px" %)(% style="color:#16a085" %)[[COMMENT>>doc:sdmx:Glossary.Comment.WebHome]]
313 -|(% style="width:204px" %)(% style="color:#f39c12" %)MetadataAttribute|(% style="width:252px" %)(% style="color:#e74c3c" %)CONTACT
310 +|(% style="width:204px" %)(% style="color:#f39c12" %)MetadataAttribute|(% style="width:252px" %)(% style="color: rgb(243, 156, 18); color: rgb(231, 76, 60)" %)CONTACT
314 314  |(% style="width:204px" %)(% style="color:#e74c3c" %)[[Measure>>doc:sdmx:Glossary.Measure.WebHome]]|(% style="width:252px" %)(% style="color:#e74c3c" %)MULTISELECT
315 315  |(% style="width:204px" %)(% style="color:#e74c3c" %)[[Measure>>doc:sdmx:Glossary.Measure.WebHome]]|(% style="width:252px" %)(% style="color:#e74c3c" %)CHOICE
316 316  
317 317  On the above, let’s assume the following use cases with their constraining requirements:
318 318  
319 -**Use Case 1: A Constraint on allowed values for some Dimensions**
316 +**Use Case 1: A (% style="color:#e74c3c" %)Constraint(%%) on allowed values for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]**
320 320  
321 321  R1: Allow monthly and quarterly data
322 322  
... ... @@ -328,7 +328,7 @@
328 328  |(% style="width:131px" %)(% style="color:#3498db" %)FREQ|(% style="width:153px" %)(% style="color:#3498db" %)M, Q
329 329  |(% style="width:131px" %)(% style="color:#3498db" %)VIS_CTY|(% style="width:153px" %)(% style="color:#3498db" %)MX
330 330  
331 -**Use Case 2: A Constraint on allowed combinations for some Dimensions**
328 +**Use Case 2: A (% style="color:#e74c3c" %)Constraint(%%) on allowed combinations for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]]**
332 332  
333 333  R1: Allow monthly data for Germany
334 334  
... ... @@ -342,7 +342,7 @@
342 342  |(% rowspan="2" style="width:105px" %)(% style="color:#2980b9" %)Key2|(% style="width:137px" %)(% style="color:#2980b9" %)FREQ|(% style="width:143px" %)(% style="color:#2980b9" %)Q
343 343  |(% style="width:137px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:143px" %)(% style="color:#2980b9" %)MX
344 344  
345 -**Use Case 3: A Constraint on allowed values for some Dimensions combined with allowed values for some Attributes** R1: Allow monthly and quarterly data
342 +**Use Case 3: A (% style="color:#e74c3c" %)Constraint(%%) on allowed values for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] combined with allowed values for some [[Attributes>>doc:sdmx:Glossary.Attribute.WebHome]]** R1: Allow monthly and quarterly data
346 346  
347 347  R2: Allow Mexico for vis-à-vis country
348 348  
... ... @@ -355,7 +355,7 @@
355 355  |(% style="width:143px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:139px" %)(% style="color:#2980b9" %)MX
356 356  |(% style="width:143px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:139px" %)(% style="color:#27ae60" %)A
357 357  
358 -**Use Case 4: A Constraint on allowed combinations for some Dimensions combined with specific Attribute values**
355 +**Use Case 4: A (% style="color:#e74c3c" %)Constraint(%%) on allowed combinations for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] combined with specific [[Attribute>>doc:sdmx:Glossary.Attribute.WebHome]] values**
359 359  
360 360  R1: Allow monthly data, for Germany, with unit euro
361 361  
... ... @@ -371,7 +371,7 @@
371 371  |(% style="width:153px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:142px" %)(% style="color:#2980b9" %)MX
372 372  |(% style="width:153px" %)(% style="color:#27ae60" %)UNIT|(% style="width:142px" %)(% style="color:#27ae60" %)USD
373 373  
374 -**Use Case 5: A Constraint on allowed values for some Dimensions together with some combination of Dimension values**
371 +**Use Case 5: A (% style="color:#e74c3c" %)Constraint(%%) on allowed values for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] together with some combination of [[Dimension>>doc:sdmx:Glossary.Dimension.WebHome]] values**
375 375  
376 376  R1: For annually and quarterly data, for Mexico and Germany, only A status is allowed
377 377  
... ... @@ -387,11 +387,11 @@
387 387  |(% style="width:137px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:183px" %)(% style="color:#2980b9" %)MX, DE
388 388  |(% style="width:137px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:183px" %)(% style="color:#27ae60" %)F
389 389  
390 -The problem with this approach is that according to the business rule for (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%), only one should be specified per [[Component>>doc:sdmx:Glossary.Component.WebHome]]. Thus, if a software would perform some conflict resolution would end up with empty sets for FREQ and OBS_STATUS (as they do not share any values).
387 +The problem with this approach is that according to the business rule for (% style="color:#e74c3c" %)Constraints(%%), only one should be specified per [[Component>>doc:sdmx:Glossary.Component.WebHome]]. Thus, if a software would perform some conflict resolution would end up with empty sets for FREQ and OBS_STATUS (as they do not share any values).
391 391  
392 -Nevertheless, there is a much easier approach to that; this is the cascading mechanism of (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%) (as shown in 10.4.7.1). Hence, these rules would be expressed into two (% style="color:#e74c3c" %)[[levels>>doc:sdmx:Glossary.Level.WebHome]](%%) of (% style="color:#e74c3c" %)[[Constraints>>doc:sdmx:Glossary.Constraint.WebHome]](%%), e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] and [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]]:
389 +Nevertheless, there is a much easier approach to that; this is the cascading mechanism of (% style="color:#e74c3c" %)Constraints(%%) (as shown in 10.4.7.1). Hence, these rules would be expressed into two (% style="color:#e74c3c" %)levels(%%) of (% style="color:#e74c3c" %)Constraints(%%), e.g., [[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] and [[Dataflows>>doc:sdmx:Glossary.Dataflow.WebHome]]:
393 393  
394 -DSD CubeRegion:
391 +[[DSD>>doc:sdmx:Glossary.Data structure definition.WebHome]] CubeRegion:
395 395  
396 396  (% style="width:280.294px" %)
397 397  |(% style="width:156px" %)(% style="color:#2980b9" %)FREQ|(% style="width:121px" %)(% style="color:#2980b9" %)M, Q, A
... ... @@ -412,7 +412,7 @@
412 412  |(% style="width:159px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:126px" %)(% style="color:#2980b9" %)MX, DE
413 413  |(% style="width:159px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:126px" %)(% style="color:#27ae60" %)A
414 414  
415 -**Use case 6: A Constraint on allowed values for some Dimensions combined with allowed values for Measures**
412 +**Use case 6: A (% style="color:#e74c3c" %)Constraint(%%) on allowed values for some [[Dimensions>>doc:sdmx:Glossary.Dimension.WebHome]] combined with allowed values for [[Measures>>doc:sdmx:Glossary.Measure.WebHome]]**
416 416  
417 417  R1: Allow monthly data, for Germany, with unit euro, and [[measure>>doc:sdmx:Glossary.Measure.WebHome]] choice is  'A' R2: Allow quarterly data, for Mexico, with unit usd, and [[measure>>doc:sdmx:Glossary.Measure.WebHome]] choice is  'B'
418 418  
... ... @@ -463,7 +463,7 @@
463 463  
464 464  R2: Allow Mexico for vis-à-vis country
465 465  
466 -R3: Allow John Doe for contact
463 +R3: Allow John Doe for (% style="color:#e74c3c" %)contact(%%)
467 467  
468 468  This may be expressed with the following CubeRegion:
469 469