OceanBase Database is a distributed relational database developed by Ant Group. It has been supporting the Double 11 Shopping Festival for over a decade and is also the only distributed database in the world that has refreshed both TPC-C and TPC-H records. It has set forth a new standard of city-level disaster recovery solutions with five IDCs across three sites. OceanBase Database adopts an independently developed integrated architecture, which encompasses both the scalability of a distributed architecture and the performance advantage of a centralized architecture. OceanBase Database supports hybrid transaction/analytical processing (HTAP) with one engine. With features such as strong data consistency, high availability, high performance, online scalability, high compatibility with SQL and mainstream relational databases, transparency to applications, and a high cost/performance ratio, OceanBase Database has helped over 4000 customers across industries upgrade their core systems.