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Changes for page 1 Introduction

Last modified by Helena on 2025/09/10 11:19
From version 11.1
edited by Helena
on 2025/05/15 10:09
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To version 2.2
edited by Helena
on 2025/05/15 09:59
Change comment: Changed document title to [1 Introduction].

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1 -{{box title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 += 1 Introduction =
4 4  
5 5  This document is not normative but provides a detailed view of the information model on which the normative SDMX specifications are based. Those new to the UML notation or to the concept of Data Structure Definitions may wish to read the appendixes in this document as an introductory exercise.
6 6  
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24 24  In some diagrams for some classes the attribute compartment is suppressed even though there may be some attributes. This is deliberate and is done to aid clarity of the diagram. The method used is:
25 25  
26 26  * The attributes will always be present on the class diagram where the class is defined and its attributes and associations are defined.// //
27 -* On other diagrams, such as inheritance diagrams, the attributes may be suppressed from the class for clarity.//  //
25 +* On other diagrams, such as inheritance diagrams, the attributes may be suppressed from the class for clarity.//  //
28 28  
29 29  [[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_bbb8fac9.png||height="54" width="158"]]
30 30  
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34 34  
35 35  The following table structure is used in the definition of the classes, attributes, and associations.
36 36  
37 -(% style="width:640.039px" %)
38 -|(% style="width:138px" %)**Class**|(% style="width:268px" %)**Feature**|(% style="width:229px" %)**Description**
39 -|(% style="width:138px" %)ClassName|(% style="width:268px" %) |(% style="width:229px" %)
40 -|(% style="width:138px" %) |(% style="width:268px" %)attributeName|(% style="width:229px" %)
41 -|(% style="width:138px" %) |(% style="width:268px" %)associationName|(% style="width:229px" %)
42 -|(% style="width:138px" %) |(% style="width:268px" %)+roleName|(% style="width:229px" %)
35 +|**Class**|**Feature**|**Description**
36 +|ClassName||
37 +||attributeName|
38 +||associationName|
39 +||+roleName|
43 43  
44 44  The content in the “Feature” column comprises or explains one of the following structural features of the class:
45 45  
46 -* Whether it is an abstract class. Abstract classes are shown in //italic Courier// font.//  //
47 -* The superclass this class inherits from, if any.// //
48 -* The sub classes of this class, if any.
49 -* Attribute – the attributeName is shown in Courier font.
50 -* Association – the associationName is shown in Courier font. If the association is derived from the association between super classes, then the format is /associationName.
43 +* Whether it is an abstract class. Abstract classes are shown in //italic Courier// font.//  //
44 +* The superclass this class inherits from, if any.//  //
45 +* The sub classes of this class, if any.//  //
46 +* Attribute – the attributeName is shown in Courier font.// //
47 +* Association – the associationName is shown in Courier font. If the association is derived from the association between super classes, then the format is
48 +
49 +/associationName.// //
50 +
51 51  * Role – the +roleName is shown in Courier font.// //
52 52  
53 53  The Description column provides a short definition or explanation of the Class or Feature. UML class names may be used in the description and if so, they are presented in normal font with spaces between words. For example, the class ConceptScheme will be written as Concept Scheme.
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74 74  
75 75  Data Structure Definition including (domain) category scheme, (metadata) concept scheme, and code list
76 76  
77 -Data and related metadata reporting and dissemination
77 +Data and related metadata reporting and dissemination// //
78 78  
79 79  The SDMX-IM comprises a number of packages. These packages act as convenient compartments for the various sub models in the SDMX-IM. The diagram below shows the sub models of the SDMX-IM that were included in the version 1.0 specification.
80 80  
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84 84  
85 85  === 1.3.3 Version 2.0/2.1 ===
86 86  
87 -The version 2.0/2.1 model extends the functionality of version 1.0. principally in the area of metadata, but also in various ways to define structures to support data analysis by systems with knowledge of cube type structures such as OLAP{{footnote}}OLAP: On line analytical processing{{/footnote}} systems. The following major constructs have been added at version 2.0/2.1
87 +The version 2.0/2.1 model extends the functionality of version 1.0. principally in the area of metadata, but also in various ways to define structures to support data analysis by systems with knowledge of cube type structures such as OLAP^^[[^^1^^>>path:#sdfootnote1sym||name="sdfootnote1anc"]]^^ systems. The following major constructs have been added at version 2.0/2.1
88 88  
89 89  Metadata structure definition
90 90  
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102 102  
103 103  Constructs supporting the Registry
104 104  
105 +[[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_59eee18f.gif||alt="Shape1" height="1" width="192"]]
106 +
105 105  Furthermore, the term Data Structure Definition replaces the term Key Family: as both of these terms are used in various communities, they are synonymous. The term Data Structure Definition is used in the model and this document.
106 106  
107 107  [[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_d8008692.jpg||height="201" width="597"]]
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128 128  
129 129  1. [[image:SDMX 3-0-0 SECTION 2 FINAL-1.0 (1)_en_26bb40b.jpg||height="202" width="613"]]
130 130  1. **Figure 6: SDMX Information Model version 3.0 package structure**
131 -
132 -{{putFootnotes/}}
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