PowerDesigner provides default model checks to verify the validity of extensions.
|
Check |
Description and Correction |
|---|---|
|
Undefined base type |
You must define a base type when you derive a complex type by extension. Manual correction: In the complex type property sheet, click the Properties tool beside the Derivation box to display the Extension property sheet and select a base type with the Base type list or the Browse tool Automatic correction: None |