External data storage system and data storage method of database based on optical disk
A technology of external storage and optical disc storage, which is applied in database indexing, electronic digital data processing, structured data retrieval, etc., and can solve problems such as inability to operate synchronously
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[0137] Such as figure 1 As shown, this embodiment includes a server server, a disk storage device diskstorage and an optical disk storage device optistorage connected to the server data, a database management system dm, an external storage management system es, an application program interface ASE, and an extended server ese are provided on the server server. , The disk storage device diskstorage is set up on the disk database db, the database external storage area esa, the partial field data of each record in the database db is correspondingly stored in the database external storage area esa, and the optical disk database db1 is set on the optical disc bd in the optical disc storage device opistorage , The database external storage area esa1, and part of the field data recorded in the database db1 is correspondingly stored in the database external storage area esa1.
[0138] The database management system dm is used to respond to data requests and complete database management and...
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