Before you use ApsaraDB RDS for PPAS, you must understand its limits and take the necessary precautions.
The following table lists the limits of ApsaraDB RDS for PPAS.
|Database parameter reconfiguration||Not supported.|
|Root permissions of databases||ApsaraDB RDS for PPAS does not provide superuser accounts.|
|Database backup||Data can be backed up only by using the pg_dump plug-in.|
|Data import||Backed up data can be restored only by using the psql plug-in.|
|Instance restart||RDS instances must be restarted by using the ApsaraDB for RDS console or API operations.|