The eSurfing Cloud Relational Database Service PostgreSQL Edition (RDS-PostgreSQL) is an online relational database service based on open-source PostgreSQL, which applies to complex online transaction processing (OLTP) scenarios in enterprises, such as complex SQL processing. It supports NoSQL data types (JSON, XML, or hstore) and geographic information system (GIS) processing. With a reputation in terms of reliability and data integrity, RDS-PostgreSQL is suitable for application scenarios such as Internet websites, location-based applications, and complex data object processing.