To create a PDM with support for features specific to the MS Access  DBMS family, select the appropriate version  in the DBMS field of the New Model dialog. To view these extensions to the PowerDesigner metamodel in the Resource Editor, select  and expand the Profile node. 
Note: The DBMS definition file for Microsoft Access 2000 is
                deprecated.
The following sections list the extensions provided forMS Access.
 
Columns 
            
            The following extended attributes are available on the Access
                tab:
            
| 
                                 Name 
                             | 
                                 Description 
                             | 
| 
                                 Allow Zero Length 
                             | 
                                 Specifies whether a zero-length string ("") is a valid entry in a table column. 
                                Applies only to Text, Memo, and Hyperlink table fields. 
                                Scripting name: ExtAllowZeroLength 
                             |