The SQL-based active big data database system with flexible expansion storage of the present invention is a short-term data storage that utilizes a hash-based storage space, a medium-term data storage that guarantees an index structure, and a long-term data storage that uses a distributed database. , A command interface unit that receives an SQL command, a command analysis unit that interprets the SQL command received from the command interface unit as a storage-specific command applicable to each of the short-term, mid-term, and long-term data storage, and is generated by the command analysis unit And a command control unit for controlling the short-term, medium-term, and long-term storage with the stored commands for each storage.
展开▼
