Always use the lower version to export.
[@more@]Whenever you are moving data between different releases of the Oracle database, the following basic rules apply:* The Import utility and the database to which data is being imported (the target database) must be the same version.
* The version of the Export utility must be equal to the earliest version of the source or target database.
For example, to create an export file for an import into a later release database, use a version of the Export utility that is equal to the source database. Conversely, to create an export file for an import into an earlier release database, use a version of the Export utility that is equal to the version of the target database.
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/11118/viewspace-930448/ ，如需转载，请注明出处，否则将追究法律责任。
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