PowerDesigner provides default model checks to verify the validity of triggers and DBMS triggers.
| 
                             Check  | 
                             Description and Correction  | 
|---|---|
Name/Code uniqueness  | 
Object names must be unique in the namespace. 
  | 
| 
                             Trigger code maximum length  | 
                             The trigger code length is limited by the maximum length specified in the DBMS definition (MaxLen). 
  | 
| 
                             Invalid event  | 
                             The event specified in the DBMS trigger definition must be available in its chosen scope. 
  |