SPLIT partition_extended_name
  { AT (literal [, literal]... )
    [ INTO ( range_partition_desc, range_partition_desc ) ]
  | VALUES ( literal [, literal] ... )
    [ INTO ( list_partition_desc, list_partition_desc ) ]
  | INTO ( { range_partition_desc [, range_partition_desc ]...
           | list_partition_desc [, list_partition_desc ]... }
         , partition_spec )
  } [ split_nested_table_part ]
    [ dependent_tables_clause ]
    [ update_index_clauses ]
    [ parallel_clause ]