Hot backup in case of Oracle
Explain the hot backup in case of Oracle.
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Hot Backup:
Several sites like worldwide airline reservations systems that cannot shut down the database when making a backup copy of the files. There cold backup is not an obtainable option.
Therefore different means of backing up database should be used; the hot backup. Matter a SQL command to point out to Oracle, upon a tablespace-by-tablespace origin, which the files of the tablespace are to back up. The users can carry on making full use of the files, as well as making changes to the data. One time the user has indicated which he/she needs to back up the tablespace files; he/she can employ the operating system to copy such files to the needed backup destination.
The database should be running in ARCHIVELOG mode for the certain hot backup option.When a data loss failure does happen, the lost database files can be restored by using the hot backup and the offline and online redo logs created when the backup was completed. The database is restored to the most consistent condition without any type loss of committed transactions.
Mini-Case The Hatcher Company is in the process of developing a new inventory management system. One of the event handling processes in that system is Receive Supplier Shipments. The (inexperienced) systems analyst on the project has spent time in the warehouse observing this process and develo
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