PowerDesigner can use variables in the generation and reverse-engineering of objects during database synchronization.
| Variable | Comment | 
|---|---|
| %OLDOWNER% | Old owner name of Object. See also OWNER | 
| %NEWOWNER% | New owner name of Object. See also OWNER | 
| %OLDQUALIFIER% | Old qualifier of Object. See also QUALIFIER | 
| %NEWQUALIFIER% | New qualifier of Object. See also QUALIFIER | 
| %OLDTABL% | Old code of Table | 
| %NEWTABL% | New code of Table | 
| %OLDCOLN% | Old code of Column | 
| %NEWCOLN% | New code of Column | 
| %OLDNAME% | Old code of Sequence | 
| %NEWNAME% | New code of Sequence |