EXPort/IMPort

EXP (Export) is an Oracle utility that creates a logical backup of the database. IMP (Import) is the corresponding utility that reads the logical backup and inserts the data into the database. The powerful Export/Import facility is the most mature of the various mechanisms supported by Oracle for performing backups, and it supplies unique benefits. However, some DBAs see it as an obsolete mechanism for performing backups because of its various limitations.

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