Validating database

26-Oct-2015 12:26

If the checksum no longer matches up, then it is possible that a database corruption has occurred.You can run a validation against a database, but ignore the checksums using the This causes the corruptions in data records to be ignored. Subsequent database actions (such as taking a backup) will not include the corrupted records, leading to data loss.However, validating a database before you perform a backup is a good idea, to ensure that the database you restore is stable.

The best way to avoid data loss is to make sure that you have enough regular backups of your database and to regularly carry out test restorations.

There is no point taking backups every night, for example, if they cannot be used when required.

This option updates the database and fixes any corrupted structures.

As explained above, a validation of a database will actually validate and update the database structures to, hopefully, return the database to a working state.

validating database-63

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Backing up a database is useful only if the database is internally consistent.Backup always makes sure that the database is in a usable state before proceeding.

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