You can access the system database of the Designer as follows:
1. Create a new Database Configuration. Choose an appropriate name like 'SystemDb''SystemDb'
2. Choose 'Hpyersonic SQL Db' as Database
3. Choose 'HSQL Db Memory' as Driver
4. Choose 'AxonIvySystemDatabase' (>= Axon.ivy 5.1) (Axon.ivy 5.1 and later) or 'XpertIvySystemDatabase' (<= Xpert.ivy 5.0) (Xpert.ivy 5.0 and older) as Database Name
5. Use the new database configuration in the Database process element to access the system database.