Alibaba RDS for PostgreSQL delivers a fully managed, enterprise-grade PostgreSQL database service with support for versions 11, 12, 13, 14, and 15. The platform eliminates database administration overhead by automating provisioning, patching, backup, recovery, scaling, and monitoring operations. Advanced PostgreSQL features are fully supported including JSONB for document storage, full-text search, geographic information systems (PostGIS), foreign data wrappers (FDW), and advanced indexing techniques (GiST, GIN, BRIN). High availability architecture with synchronous streaming replication across multiple availability zones ensures zero data loss and automatic failover within 30 seconds.