PowerDesigner and ERwin use different terms to describe certain model objects.
The import process converts general model objects as follows:
ERwin |
PowerDesigner |
---|---|
Model |
Model |
Stored display and subject area |
Diagram |
Business rule |
Business rule |
Domain |
Domain |
Symbols ( including symbol size and position) |
Symbols ( including symbol size and position) |
Description |
Description |
Notes |
Annotation |
Text block |
Text symbol |
IE notation |
Entity/Relationship notation |
IDEF1X notation |
IDEF1X notation |
User-defined properties |
Imported as extended attributes stored in an extension file called Imported Attributes and embedded in the model. For information about working with extension files, see Customizing and Extending PowerDesigner > Extension Files. |
The import process converts ERwin logical model objects into conceptual data model (CDM) objects as follows:
ERwin logical model |
PowerDesigner CDM |
---|---|
Attribute |
Data item, entity attribute |
Key group |
Identifier |
Entity |
Entity |
Relationship |
Relationship |
Subtype relationship |
Inheritance link |
Subtype category |
Inheritance |
The import process translates ERwin physical model objects into physical data model (PDM) objects as follows: