This topic provides an overview of the features supported by ApsaraDB RDS for PostgreSQL with different database engine versions, RDS editions, and storage types.
| Category | Feature | PostgreSQL 11 | PostgreSQL 10 | PostgreSQL 9.4 | |||||
|---|---|---|---|---|---|---|---|---|---|
| High-availability Edition | Basic Edition | High-availability Edition | Basic Edition | High-availability Edition | |||||
| Standard SSD | ESSD, ESSD PL2, or ESSD PL3 | Standard SSD | Local SSD | Standard SSD | ESSD, ESSD PL2, or ESSD PL3 | Standard SSD | Local SSD | ||
| Data migration and synchronization | Migrate the data of an RDS instance | Not supported | Not supported | Not supported | Supported | Supported | Supported | Supported | Supported |
| Instance management | Create an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported |
| Change the specifications of an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Migrate an RDS instance across zones in the same region | Not supported | Not supported | Not supported | Supported | Not supported | Not supported | Not supported | Supported | |
| Switch over services between a primary RDS instance and its secondary instance | Supported | Supported | Not supported | Supported | Supported | Supported | Not supported | Supported | |
| Restart an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Set the maintenance window of an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Release an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Account management | Create an account for an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported |
| Reset the password of an account for an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Database management | Create a database | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported |
| Delete a database | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Database connection | Connect to an RDS PostgreSQL instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported |
| Configure endpoints for an RDS for PostgreSQL instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| View the endpoints and ports of an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Apply for a public endpoint for an RDS PostgreSQL instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Monitoring and alerting | View resource monitoring | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported |
| Set a monitoring frequency | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Set alert rules | Not supported | Not supported | Not supported | Supported | Supported | Supported | Supported | Supported | |
| Network management | Change the network type of an RDS instance | Not supported | Not supported | Not supported | Supported | Not supported | Not supported | Not supported | Supported |
| Read-only instance | Create a read-only instance | Not supported | Not supported | Not supported | Supported | Not supported | Not supported | Not supported | Not supported |
| Security management | Configure a whitelist for an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported |
| Configure SSL encryption for an RDS instance | Supported | Supported | Supported | Not supported | Supported | Supported | Supported | Not supported | |
| Configure disk encryption for an RDS instance | Supported | Not supported | Not supported | Not supported | Supported | Not supported | Not supported | Not supported | |
| Change the network isolation mode of an RDS instance from standard whitelist to enhanced whitelist | Not supported | Not supported | Not supported | Supported | Not supported | Not supported | Not supported | Supported | |
| Audit | SQL audit (database audit) | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported |
| Log management | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Database backup | Back up the data of an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported |
| A free tier of backup space for an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Download a data backup file or binary log file of an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported | |
| Database restoration | Restore the data of an RDS instance | Supported | Supported | Supported | Supported | Supported | Supported | Supported | Supported |