Description of the illustration merge_table_subpartitions.eps
MERGE SUBPARTITIONS subpartition_or_key_value { , subpartition_or_key_value [, subpartition_or_key_value ]... | TO subpartition_or_key_value } [ INTO { range_subpartition_desc | list_subpartition_desc } ] [ filter_condition ] [ dependent_tables_clause ] [ update_index_clauses ] [ parallel_clause ] [ allow_disallow_clustering ]