Cubrid is an open-source relational database management system (RDBMS) highly optimized for web applications, especially when complex business services process large amounts of data and generate huge concurrent requests. Developed with an emphasis on scalability and stability, Cubrid ensures high performance, robust reliability, and efficient handling of large-scale parallel tasks. With its built-in support for high availability, data partitioning, and parallel processing, Cubrid is particularly potent in environments requiring sophisticated database management capabilities without the overhead of commercial systems.