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    Oracle Error ORA-40306: dm_nested types not supported by this algorithm

    admin November 23, 2024 No Comments

    Oracle Error Message

    ORA-40306: dm_nested types not supported by this algorithm

    Reason for the Error

    The training input to the CREATE_MODEL routine contains one or more columns of dm_nested type (DM_NESTED_NUMERICALS and/or DM_NESTED_CATEGORICALS). These columns are currently not supported for Decision Tree, O-Cluster, and Adaptive Bayes Network algorithms.

    Solution

    Remove columns of these data types from the input data source.

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