Backup, restoration, migration systems of a database

Details Backup, restoration, migration systems of a database Backup, restoration, migration systems of a database

1994-03-02

1997-06-24

Black, Thomas G.

395612, G06F 1730

Patent

active

056425058

ABSTRACT:
This invention provides an easy backup, restoration and migration method of a database system. The command interpreter receives a backup request and the controller identifies the backup object in the backup request by referring to the definition. The backup-migrate-restore-procedure generator generates a backup procedure of the backup object identified by the controller by referring to the definition. The controller converts the backup object to a command form of SQL in accordance with the procedure generated by the backup-migrate-restore-procedure generator and stores in the storage medium. The stored data are the replace information, definition, dependence information, data, journal and program. Restoration of the system and migration of the database to another system is enable by inputting such data. Backup, migration and restoration of a system is able to be made in an identical apparatus. Furthermore, since a command form of SQL is used, a special means is unnecessary for migration and restoration.

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