Explanation:
You can take a backup of your table using the export utility, which is a logical backup. You can take physical backups of the database or table spaces using either RMAN or the OS level commands. The import utility is used for recovering the tables, not for taking backups.
Reference:
Oracle 9i Net Services Administrator’s Guide
Oracle 9i Net Services Reference Guide
Oracle 9i Recovery Manager Reference
Oracle 9i Backup and Recovery Concepts

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