PowerDesigner provides default model checks to verify the validity of defaults.
| 
                             Check  | 
                        
                             Description and Correction  | 
                    
|---|---|
| 
                             Default name and code uniqueness  | 
                        
                             Default 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  | 
                    
| 
                             Default code maximum length  | 
                        
                             The default code length is limited by the maximum length specified in the DBMS definition (MaxLen entry, in the ). Manual correction: Modify the default code length to meet this requirement Automatic correction: Truncates the default code length to the maximum length specified in the DBMS definition  | 
                    
| 
                             Default value empty  | 
                        
                             You must type a value for the default, this value is used during generation. Manual correction: Type a value in the Value box of the default property sheet Automatic correction: None  | 
                    
| 
                             Several defaults with same value  | 
                        
                             A model should not contain several defaults with identical value. Manual correction: Modify default value or delete defaults with identical value Automatic correction: None  |