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Last modified by Carlijn Kokkeler on 2022/10/19 13:32
From version 8.1
edited by Carlijn Kokkeler
on 2022/09/30 10:03
Change comment: There is no comment for this version
To version 10.1
edited by Carlijn Kokkeler
on 2022/10/19 11:39
Change comment: There is no comment for this version

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13 13  
14 14  == 3. CDM, CDM & system message, message mapping ==
15 15  By following the steps below, you should gain a better understanding of the differences between CDM, CDM messages, and system messages.
16 -
16 +
17 17  == 3.1 Creating a CDM ==
18 -Please add the following entities and attributes to your CDM:
19 -
20 -* Person, with attributes ID, Name, and Email
21 -* PlatformCourse, with attributes ID and Name
22 22  
19 +* Creating a CDM
20 + Please import the file Order.xsd in your CDM.
23 23  
24 -One person has access to many platform courses. It should look like the following:
25 -
26 -[[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--adding-attributes-entities-CDM.png]]
27 -
28 28  == 3.2 Creating a CDM message ==
29 -Now, go to your CDM message and add the Person and PlatformCourse to your message definition, including all attributes. It should look like the following:
30 -
31 -[[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--adding-message-definition-CDM-message.png]]
32 -
23 +Now, go to your CDM message and select Order as root entity. Add all other entities and attributes from Order.xsd, which were imported into the CDM, to your CDM message definition.
24 +
33 33  == 3.3 Creating a system message ==
34 -In System message, create the following entities and attributes:
35 -
36 -* User, with attributes ID and Name
37 -* Course, with attributes ID and Name
26 +In one of your System messages, import the file TransportOrder.xsd. Select CreateOrder as root entity and add all other entities and attributes to your system definition.
38 38  
39 -
40 -One user has access to many courses. It should look like the following:
41 -
42 -[[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--adding-attributes-entities-system-message.png]]
43 -
44 -Now, remove the attribute Name in Course by using the Toggle canvas edit mode. It should result in the following:
45 -
46 -[[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--remove-attribute-system-message.png]]
47 -
48 48  == 3.4 Complete message mapping ==
49 49  
50 50  Now that you have completed these steps, go to Message mapping and complete the mapping.
51 51  
52 -[[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--complete-message-mapping.png]]
53 -
32 +The solutions to these exercises can be found [[here>>doc:Main.eMagiz Academy.Use Cases.Data modeling in Design.Exercises.Solutions.WebHome||target="blank"]].
54 54  
55 55  == 4. Key takeaways ==
56 56