You can create a logical backup of a table if you want. In my opinion, this is not a true backup, but it does get a copy of the table and its contents. The tool to use is Oracle's export utility. The following command will show an example of exporting the table to a dump file:
exp userid=system/manager file=my_table.dmp tables=owner.my_table
Keep in mind that this is a logical backup and not a physical backup.
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