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    Oracle Error ORA-12712: new character set must be a superset of old character set

    admin November 20, 2024 No Comments

    Oracle Error Message

    ORA-12712: new character set must be a superset of old character set

    Reason for the Error

    When you ALTER DATABASE … CHARACTER SET, the new character set must be a superset of the old character set. For example, WE8ISO8859P1 is not a superset of the WE8DEC.

    Solution

    Specify a superset character set.

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