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The Cameo Data Modeler Plugin for MagicDraw provides import functionalit= y for data models created using the CA ERwin=C2=AE Data Modeler (henceforth= will be referred as ERwin). ERwin is one of the leaders in the data modeli= ng tools market.
Data models produced in ERwin have a two-layer structure, consisting of = tightly synchronized logical and physical layers. The physical layer semant= ically corresponds to the SQL modeling / diagramming / generation functiona= lity in MagicDraw. The logical layer corresponds to ER diagrams implemented= by the Cameo Data Modeler Plugin.
The import functionality only imports logical layer data from ERwin into= ER diagrams / data models in MagicDraw. The Cameo Data Modeler Plugin does= not yet support importing physical layer data.
Cameo Data Modeler supports model files produced in ERwin version 7.x. I=
t is recommended that you use the newest v7.3 since it has been heavily tes=
ted. Data models in ERwin must be saved in the *.xml format (choose the
To import an ERwin model
After a successful import, you can proceed to edit or manage the model u= sing MagicDraw features.
If you want to include the ER model as part of a larger project in Magic= Draw, you can use either module linking functionality (click File <= /strong>> Use Module) to attach the ER model to your ma= in project model or project import functionality (click File > Import From > Another MagicDraw Project= ) to transfer the contents of this ER model to your main project m= odel.
If you want to update an imported and edited ER model (for example, you = made changes to the ERwin model and want to import those changes into Magic= Draw again), you can use the merge functionality (click Tools > Project Merge) to import the ERwin model into a n= ew ER model and merge it with the model you have imported earlier.
Import mapping reviews and notes are in the following table.
ERwin | Cameo Data Modeler |
Comments |
---|---|---|
Any element | Any Element |
|
Entity | Entity | |
Attribute | Attribute |
|
Key | Key Marking on Attributes |
|
Relationship | Association relationship |
|
Generalization relationship |
|
|
Default Value | Instance Specification |
|
Domain | - |
|
Validation Rule | Constraint |
|
Display | ER diagram |
|
User Defined Properties Dictionary | Profile / Stereotypes / Tags |
|
User Defined Properties |
Tag Values |
|