The following is the ORA-14286 error message, you can learn the cause and solution of the Oracle database error.

ORA-14286 cannot COALESCE the only subpartition of this table partition

Cause: A COALESCE SUBPARTITION command was issued when there is only one subpartition in the partition which is illegal.

Solution: Ensure that there is at least one subpartition. Drop partition to remove all subpartitions.


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