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Changes for page 10 Constraints

Last modified by Helena K. on 2026/06/10 09:45
From version 8.6
edited by Helena K.
on 2026/06/10 09:44
Change comment: There is no comment for this version
To version 8.1
edited by Helena K.
on 2026/06/09 20:14
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -31,14 +31,13 @@
31 31  
32 32  A [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] is a property of a [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]]; its purpose is to explicitly list the [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] from the corresponding [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] that are being used by the [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]]. 
33 33  
34 +[[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] were introduced in [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] 3.1 and are not required for most [[Dataflows>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] where the [[dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] must always contain the full complement of [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] as defined by the corresponding [[DSD>>doc:sdmx:Glossary 2\.1.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 2\.1.Dimension.WebHome]] are not necessarily known at design time, the [[DSD>>doc:sdmx:Glossary 2\.1.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 2\.1.Data structure definition.WebHome]] as an evolving structure, this property tells the user that the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] can have new [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] added without having to undergo a major [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] change; a [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] at [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] 1.0.0 for example would be able to add a new [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] and move to [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] 1.1.0; a change that would not ordinarily be allowed.  A minor [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] change on the addition of a new [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] is only possible if the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] defines itself as an evolving structure.   This is a new property of the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] introduced in [[version>>doc:sdmx:Glossary 2\.1.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 [[version>>doc:sdmx:Glossary 2\.1.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 2\.1.Dimension.WebHome]] added to the Data Structure under the same major [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] number; setting the evolving structure property to false does not require require a major [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] change on the Data Structure.   
34 34  
35 -[[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] were introduced in [[SDMX>>doc:sdmx:Glossary 2\.1.Statistical data and metadata exchange.WebHome]] 3.1 and are not required for most [[Dataflows>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] where the [[dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] must always contain the full complement of [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] as defined by the  corresponding [[DSD>>doc:sdmx:Glossary 2\.1.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 2\.1.Dimension.WebHome]] are not necessarily known at design time, the [[DSD>>doc:sdmx:Glossary 2\.1.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 2\.1.Data structure definition.WebHome]] as an evolving structure, this property tells the user that the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] can have new [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] added without having to undergo a major [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] change; a [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] at [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] 1.0.0 for example would be able to add a new [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] and move to [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] 1.1.0; a change that would not ordinarily be allowed.  A minor [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] change on the addition of a new [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] is only possible if the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] defines itself as an evolving structure.   This is a new property of the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] introduced in [[version>>doc:sdmx:Glossary 2\.1.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 [[version>>doc:sdmx:Glossary 2\.1.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 2\.1.Dimension.WebHome]] added to the Data Structure under the same major [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] number; setting the evolving structure property to false does not require require a major [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] change on the Data Structure.   
36 -
37 37  When a [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] references a [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]], late binding on the minor release, and the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] has the evolving structure property set to true, then the [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] must contain a [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] to protect its Dimensionality from changing over time without a [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]] change. 
38 38  
39 39  The [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] provides the explicit list of [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] that the [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] uses from the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] that it references.  This enables the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] to evolve over time without breaking the compatibility of [[datasets>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] against the [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]]. 
40 40  
41 -__**Rules for a Dimension Constraint**__
40 +__**Rules for a [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]]**__
42 42  
43 43  * A [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] must contain a [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] if the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] which it uses states that it is an evolving structure and the [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] is late binding on the minor release (latest minor release of a given major [[version>>doc:sdmx:Glossary 2\.1.Version.WebHome]], e.g. 1.0+.0)
44 44  * The [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] can only include [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] from the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] that is referenced by the [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]].
... ... @@ -47,7 +47,7 @@
47 47  * When exporting data for the [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]], the [[dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] should only include the [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] specified by the [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]].
48 48  * When exporting data for the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] the [[dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] must contain the full set of [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] as specified by the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]]. The tilde ‘’ character is used to represent a value which is not present due to the [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] not being included in the corresponding [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]].
49 49  
50 -__**Example Datasets with Evolving Structures**__
49 +__**Example [[Datasets>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] with Evolving Structures**__
51 51  
52 52  A [[dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] is built against a [[Data Structure Definition>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].  The [[dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] contains data for two [[Dataflows>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]].  [[Dataflows>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] ‘DF_POP’ uses a [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] which fixes its [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] to  FREQ and REF_AREA.  [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] ‘DF_POP_SA’ does not reference a [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]], and as such includes all [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] as specified by the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].  
53 53  
... ... @@ -54,7 +54,7 @@
54 54  The resulting [[dataset>>doc:sdmx:Glossary 2\.1.Data set.WebHome]] contains values ‘’ for both the [[SEX>>doc:sdmx:Glossary 2\.1.Sex.WebHome]] and [[AGE>>doc:sdmx:Glossary 2\.1.Age.WebHome]] [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] for the [[series>>doc:sdmx:Glossary 2\.1.Series.WebHome]] related to DF_POP.
55 55  
56 56  (% style="width:758.294px" %)
57 -|(% style="width:119px" %)**Dataflow**|(% colspan="7" style="width:635px" %)**FREQ REF_AREA SEX AGE OBS_VALUE TIME_PERIOD UNIT**
56 +|(% style="width:119px" %)**[[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]]**|(% colspan="7" style="width:635px" %)**FREQ REF_AREA [[SEX>>doc:sdmx:Glossary 2\.1.Sex.WebHome]] [[AGE>>doc:sdmx:Glossary 2\.1.Age.WebHome]] OBS_VALUE TIME_PERIOD [[UNIT>>doc:sdmx:Glossary 2\.1.Statistical unit.WebHome]]**
58 58  |(% 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
59 59  |(% 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
60 60  |(% 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
... ... @@ -158,18 +158,18 @@
158 158  
159 159  Example:
160 160  
161 -Data Constraint 1.0.0
160 +Data [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] 1.0.0
162 162  
163 163  (% style="width:573.294px" %)
164 -|(% style="width:108px" %)Component|(% style="width:127px" %)Valid Value|(% style="width:150px" %)Valid from|(% style="width:185px" %)Valid to
163 +|(% style="width:108px" %)[[Component>>doc:sdmx:Glossary 2\.1.Component.WebHome]]|(% style="width:127px" %)Valid Value|(% style="width:150px" %)Valid from|(% style="width:185px" %)Valid to
165 165  |(% rowspan="3" style="width:108px" %)COUNTRY|(% style="width:127px" %)UK|(% style="width:150px" %) |(% style="width:185px" %)
166 166  |(% style="width:127px" %)FR|(% style="width:150px" %) |(% style="width:185px" %)
167 167  |(% style="width:127px" %)DE|(% style="width:150px" %) |(% style="width:185px" %)
168 168  
169 -Data Constraint 1.1.0
168 +Data [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] 1.1.0
170 170  
171 171  (% style="width:576.294px" %)
172 -|(% style="width:110px" %)Component|(% style="width:129px" %)Valid Value|(% style="width:145px" %)Valid from|(% style="width:189px" %)Valid to
171 +|(% style="width:110px" %)[[Component>>doc:sdmx:Glossary 2\.1.Component.WebHome]]|(% style="width:129px" %)Valid Value|(% style="width:145px" %)Valid from|(% style="width:189px" %)Valid to
173 173  |(% rowspan="3" style="width:110px" %)COUNTRY|(% style="width:129px" %)UK|(% style="width:145px" %) |(% style="width:189px" %)
174 174  |(% style="width:129px" %)FR|(% style="width:145px" %) |(% style="width:189px" %)2012
175 175  |(% style="width:129px" %)DE|(% style="width:145px" %) |(% style="width:189px" %)
... ... @@ -241,16 +241,17 @@
241 241  
242 242  [[image:1750065279010-260.png]]
243 243  
244 -**Figure 20: Example Scenario for Constraints **
243 +**Figure 20: Example Scenario for [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] **
245 245  
246 246  [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] are declared as follows:
247 247  
248 248  [[image:1750065319060-899.png]]
249 249  
250 -**Figure 21: Example Constraints**
249 +**Figure 21: Example [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]]**
251 251  
252 252  Notes:
253 253  
253 +
254 254  [[AGE>>doc:sdmx:Glossary 2\.1.Age.WebHome]] is constrained for the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] and is further restricted for the [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] CENSUS_CUBE1.
255 255  
256 256  * The same [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] applies to both [[Provision Agreements>>doc:sdmx:Glossary 2\.1.Provision agreement.WebHome]].
... ... @@ -269,7 +269,7 @@
269 269  [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] CENSUS_CUBE2
270 270  
271 271  * Restricts the [[code list>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] for the CAS [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] to [[codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] TOT and NAP.
272 -** Inherits the [[AGE>>doc:sdmx:Glossary 2\.1.Age.WebHome]] [[constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] applied at the level of the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].
272 +** Inherits the [[AGE>>doc:sdmx:Glossary 2\.1.Age.WebHome]] [[constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] applied at the [[level>>doc:sdmx:Glossary 2\.1.Level.WebHome]] of the [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]].
273 273  
274 274  [[Provision Agreement>>doc:sdmx:Glossary 2\.1.Provision agreement.WebHome]] CENSUS_CUBE1_IT
275 275  
... ... @@ -284,19 +284,19 @@
284 284  
285 285  The [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] are defined as follows:
286 286  
287 -DSD Constraint
287 +[[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]]
288 288  
289 289  [[image:1750065367824-357.png]]
290 290  
291 -Dataflow Constraints
291 +[[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]]
292 292  
293 293  [[image:1750065392163-400.png]]
294 294  
295 -Provision Agreement Constraint
295 +[[Provision Agreement>>doc:sdmx:Glossary 2\.1.Provision agreement.WebHome]] [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]]
296 296  
297 297  [[image:1750065461589-995.png]]
298 298  
299 -**10.4.7.2 Combination of Constraints**
299 +**10.4.7.2 Combination of [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]]**
300 300  
301 301  The possible combination of constraining terms are explained in this section, following a few examples.
302 302  
... ... @@ -311,13 +311,13 @@
311 311  |(% style="width:204px" %)(% style="color:#16a085" %)[[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]]|(% style="width:252px" %)(% style="color:#16a085" %)OBS_STATUS
312 312  |(% style="width:204px" %)(% style="color:#16a085" %)[[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]]|(% style="width:252px" %)(% style="color:#16a085" %)[[UNIT>>doc:sdmx:Glossary 2\.1.Statistical unit.WebHome]]
313 313  |(% style="width:204px" %)(% style="color:#16a085" %)[[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]]|(% style="width:252px" %)(% style="color:#16a085" %)[[COMMENT>>doc:sdmx:Glossary 2\.1.Comment.WebHome]]
314 -|(% style="width:204px" %)(% style="color:#f39c12" %)MetadataAttribute|(% style="width:252px" %)(% style="color:#e74c3c" %)CONTACT
314 +|(% style="width:204px" %)(% style="color:#f39c12" %)MetadataAttribute|(% style="width:252px" %)[[CONTACT>>doc:sdmx:Glossary 2\.1.Contact.WebHome]]
315 315  |(% style="width:204px" %)[[Measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]]|(% style="width:252px" %)MULTISELECT
316 316  |(% style="width:204px" %)[[Measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]]|(% style="width:252px" %)CHOICE
317 317  
318 318  On the above, let’s assume the following use cases with their constraining requirements:
319 319  
320 -**Use Case 1: A Constraint on allowed values for some Dimensions**
320 +**Use Case 1: A [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] on allowed values for some [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]]**
321 321  
322 322  R1: Allow monthly and quarterly data
323 323  
... ... @@ -329,7 +329,7 @@
329 329  |(% style="width:131px" %)(% style="color:#3498db" %)FREQ|(% style="width:153px" %)(% style="color:#3498db" %)M, Q
330 330  |(% style="width:131px" %)(% style="color:#3498db" %)VIS_CTY|(% style="width:153px" %)(% style="color:#3498db" %)MX
331 331  
332 -**Use Case 2: A Constraint on allowed combinations for some Dimensions**
332 +**Use Case 2: A [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] on allowed combinations for some [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]]**
333 333  
334 334  R1: Allow monthly data for Germany
335 335  
... ... @@ -343,10 +343,8 @@
343 343  |(% rowspan="2" style="width:105px" %)(% style="color:#2980b9" %)Key2|(% style="width:137px" %)(% style="color:#2980b9" %)FREQ|(% style="width:143px" %)(% style="color:#2980b9" %)Q
344 344  |(% style="width:137px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:143px" %)(% style="color:#2980b9" %)MX
345 345  
346 -**Use Case 3: A Constraint on allowed values for some Dimensions combined with allowed values for some Attributes**
346 +**Use Case 3: A [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] on allowed values for some [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] combined with allowed values for some [[Attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]]** R1: Allow monthly and quarterly data
347 347  
348 -R1: Allow monthly and quarterly data
349 -
350 350  R2: Allow Mexico for vis-à-vis country
351 351  
352 352  R3: Allow present for status
... ... @@ -358,7 +358,7 @@
358 358  |(% style="width:143px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:139px" %)(% style="color:#2980b9" %)MX
359 359  |(% style="width:143px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:139px" %)(% style="color:#27ae60" %)A
360 360  
361 -**Use Case 4: A Constraint on allowed combinations for some Dimensions combined with specific Attribute values**
359 +**Use Case 4: A [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] on allowed combinations for some [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] combined with specific [[Attribute>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] values**
362 362  
363 363  R1: Allow monthly data, for Germany, with [[unit>>doc:sdmx:Glossary 2\.1.Statistical unit.WebHome]] euro
364 364  
... ... @@ -374,7 +374,7 @@
374 374  |(% style="width:153px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:142px" %)(% style="color:#2980b9" %)MX
375 375  |(% style="width:153px" %)(% style="color:#27ae60" %)[[UNIT>>doc:sdmx:Glossary 2\.1.Statistical unit.WebHome]]|(% style="width:142px" %)(% style="color:#27ae60" %)USD
376 376  
377 -**Use Case 5: A Constraint on allowed values for some Dimensions together with some combination of Dimension values**
375 +**Use Case 5: A [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] on allowed values for some [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] together with some combination of [[Dimension>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] values**
378 378  
379 379  R1: For annually and quarterly data, for Mexico and Germany, only A status is allowed
380 380  
... ... @@ -394,7 +394,7 @@
394 394  
395 395  Nevertheless, there is a much easier approach to that; this is the cascading mechanism of [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] (as shown in 10.4.7.1). Hence, these rules would be expressed into two [[levels>>doc:sdmx:Glossary 2\.1.Level.WebHome]] of [[Constraints>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]], e.g., [[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] and [[Dataflows>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]]:
396 396  
397 -DSD CubeRegion:
395 +[[DSD>>doc:sdmx:Glossary 2\.1.Data structure definition.WebHome]] CubeRegion:
398 398  
399 399  (% style="width:280.294px" %)
400 400  |(% style="width:156px" %)(% style="color:#2980b9" %)FREQ|(% style="width:121px" %)(% style="color:#2980b9" %)M, Q, A
... ... @@ -415,7 +415,7 @@
415 415  |(% style="width:159px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:126px" %)(% style="color:#2980b9" %)MX, DE
416 416  |(% style="width:159px" %)(% style="color:#27ae60" %)OBS_STATUS|(% style="width:126px" %)(% style="color:#27ae60" %)A
417 417  
418 -**Use case 6: A Constraint on allowed values for some Dimensions combined with allowed values for Measures**
416 +**Use case 6: A [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] on allowed values for some [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] combined with allowed values for [[Measures>>doc:sdmx:Glossary 2\.1.Measure.WebHome]]**
419 419  
420 420  R1: Allow monthly data, for Germany, with [[unit>>doc:sdmx:Glossary 2\.1.Statistical unit.WebHome]] euro, and [[measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]] choice is  'A' R2: Allow quarterly data, for Mexico, with [[unit>>doc:sdmx:Glossary 2\.1.Statistical unit.WebHome]] usd, and [[measure>>doc:sdmx:Glossary 2\.1.Measure.WebHome]] choice is  'B'
421 421  
... ... @@ -431,7 +431,7 @@
431 431  |(% style="width:153px" %)(% style="color:#27ae60" %)[[UNIT>>doc:sdmx:Glossary 2\.1.Statistical unit.WebHome]]|(% style="width:149px" %)(% style="color:#27ae60" %)USD
432 432  |(% style="width:153px" %)CHOICE|(% style="width:149px" %)B
433 433  
434 -**Use Case 7: A Constraint with wildcards for Codes and removePrefix property**
432 +**Use Case 7: A [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] with wildcards for [[Codes>>doc:sdmx:Glossary 2\.1.Code.WebHome]] and removePrefix property**
435 435  
436 436  For this example, we assume that the VIS_CTY [[representation>>doc:sdmx:Glossary 2\.1.Representation.WebHome]] has been prefixed with prefix ‘AREA_’. In this [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]], we need to remove the prefix.
437 437  
... ... @@ -447,7 +447,7 @@
447 447  |(% style="width:264px" %)(% style="color:#2980b9" %)FREQ|(% style="width:112px" %)(% style="color:#2980b9" %)M, Q
448 448  |(% style="width:264px" %)(% style="color:#2980b9" %)VIS_CTY (removePrefix=’AREA_’)|(% style="width:112px" %)(% style="color:#2980b9" %)M%
449 449  
450 -**Use Case 8: A Constraint with multilingual support on Attributes**
448 +**Use Case 8: A [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] with multilingual support on [[Attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]]**
451 451  
452 452  R1: Allow monthly and quarterly data
453 453  
... ... @@ -462,13 +462,11 @@
462 462  |(% style="width:190px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:189px" %)(% style="color:#2980b9" %)MX
463 463  |(% style="width:190px" %)(% style="color:#27ae60" %)[[COMMENT>>doc:sdmx:Glossary 2\.1.Comment.WebHome]] (lang=’en’)|(% style="width:189px" %)(% style="color:#27ae60" %)%adjusted%
464 464  
465 -**Use Case 9: A Constraint on allowed values for Dimensions combined with allowed values for Metadata Attributes**
463 +**Use Case 9: A [[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]] on allowed values for [[Dimensions>>doc:sdmx:Glossary 2\.1.Dimension.WebHome]] combined with allowed** values for Metadata [[Attributes>>doc:sdmx:Glossary 2\.1.Attribute.WebHome]] R1: Allow monthly and quarterly data
466 466  
467 -R1: Allow monthly and quarterly data
468 -
469 469  R2: Allow Mexico for vis-à-vis country
470 470  
471 -R3: Allow John Doe for contact
467 +R3: Allow John Doe for [[contact>>doc:sdmx:Glossary 2\.1.Contact.WebHome]]
472 472  
473 473  This may be expressed with the following CubeRegion:
474 474  
... ... @@ -475,4 +475,4 @@
475 475  (% style="width:388.294px" %)
476 476  |(% style="width:181px" %)(% style="color:#2980b9" %)FREQ|(% style="width:204px" %)(% style="color:#2980b9" %)M, Q
477 477  |(% style="width:181px" %)(% style="color:#2980b9" %)VIS_CTY|(% style="width:204px" %)(% style="color:#2980b9" %)MX
478 -|(% style="width:181px" %)(% style="color:#e74c3c" %)CONTACT|(% style="width:204px" %)(% style="color:#f39c12" %)John Doe
474 +|(% style="width:181px" %)(% style="color:#f39c12" %)[[CONTACT>>doc:sdmx:Glossary 2\.1.Contact.WebHome]]|(% style="width:204px" %)(% style="color:#f39c12" %)John Doe
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