oracle index partition

1SELECT INDEX_NAME,
2       PARTITION_NAME,
3       TABLESPACE_NAME,
4       INITIAL_EXTENT,
5       NEXT_EXTENT,
6       PCT_INCREASE,
7       NUM_ROWS
8FROM DBA_IND_PARTITIONS
9WHERE INDEX_NAME = decode(upper('my_index'), 'ALL', INDEX_NAME, upper('my_index'))
10  AND INDEX_OWNER = upper('my_owner')
11ORDER BY INDEX_NAME, PARTITION_NAME;