Database upgrades are done in place and are destructive. For
            example, if pages need to be allocated and no disk space is
            available, the database may be left corrupted. Backups should be
            made before databases are upgraded. See Upgrading databases in the
            Programmer's Reference Guide for more information.
            
 Overload List
Overload List
| Name | Description | |
|---|---|---|
|   | Upgrade(String, DatabaseConfig) | 
            Upgrade all of the databases included in the file
            file, if necessary. If no upgrade is necessary,
            Upgrade always returns successfully.
             | 
|   | Upgrade(String, DatabaseConfig, Boolean) | 
            Upgrade all of the databases included in the file
            file, if necessary. If no upgrade is necessary,
            Upgrade always returns successfully.
             | 





