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INF: Restoration of a Database from Transaction Dumps

Article ID: 60054 - View products that this article applies to.

This article was previously published under Q60054

To restore a database that used DUMP TRANSACTION as the primary backup procedure, the last dump of the entire database (DUMP DATABASE) must be loaded (LOAD DATABASE), followed by the sequential loading (LOAD TRANSACTION) of the transaction dump(s) (DUMP TRANSACTION).

For example, if all of the following are true

The database was last dumped on Monday
The transactions were dumped Tuesday, Wednesday, Thursday, and Friday
The database crashed on Saturday, causing data corruption

the proper way to restore the database would be to first load the database dump from Monday, followed by the sequential loading of the transaction dumps from Tuesday, Wednesday, Thursday, and Friday. The database would then be restored to the state it was in as of the last transaction dump taken on Friday.

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