PowerDesigner provides default model checks to verify the validity of view references.
| 
                             Check  | 
                        
                             Description and Correction  | 
                    
|---|---|
| 
                             View reference name and code uniqueness  | 
                        
                             View reference names and codes must be unique in the model. Manual correction: Modify the duplicate name/code Automatic correction: Appends a number to the duplicate name/code  | 
                    
| 
                             Existence of view reference join  | 
                        
                             A view reference must have at least one view reference join. Manual correction: Create a view reference join for the view reference or delete the reference Automatic correction: Deletes view reference without join  |