DATABASE DUAL-CORE STORAGE SYSTEM BASED ON OPTICAL DISK AND METHOD USING THE SYSTEM

Disclosed is a database dual-core storage system based on an optical disk, comprising a server, a magnetic disk storage device and an optical disk storage device which are in data connection with the server, characterized in that a database management system, a data processor, and a data connector are provided on the server, wherein the database management system is used for completing, in response to a data request, database management and data management in the magnetic disk storage device and the light disk storage device; the data processor is used for configuring, in response to a data request, a field of a database basic core and a field of a database extended core, and writing data of the corresponding fields in the database basic core and the database extended core; and the data connector is used for establishing, in response to a data request, the data connection between the database basic core and the database extended core. The function and structure for database management and large volume data st