PowerDesigner provides default model checks to verify the validity of views.
| 
                             Check  | 
                        
                             Description and Correction  | 
                    
|---|---|
| 
                             View name and code uniqueness  | 
                        
                             View 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  | 
                    
| 
                             View code maximum length  | 
                        
                             The view code length is limited by the maximum length specified for the table code length. Manual correction: Modify the view code length to meet this requirement Automatic correction: Truncates the view code length to the maximum length specified in the DBMS definition  | 
                    
| 
                             Existence of permission  | 
                        
                             Permissions are usage restrictions set on a view for a particular user, group or role. Manual correction: Define permissions on the view for users, groups and roles Automatic correction: None  |