Index partitions

COLUMN index_name              FORMAT A25                HEADING "Index Name"
COLUMN partitioning_type       FORMAT A9                 HEADING "Type"
COLUMN partition_count         FORMAT 99999              HEADING "Part.|Count"
COLUMN partitioning_key_count  FORMAT 99999              HEADING "Part.|Key Count"
COLUMN locality                FORMAT A8                 HEADING "Locality"
COLUMN alignment               FORMAT A12                HEADING "Alignment"

SELECT
    a.owner || '.' || a.index_name   index_name
  , b.column_name
  , a.partitioning_type
  , a.partition_count
  , a.partitioning_key_count
  , a.locality
  , a.alignment
FROM 
    dba_part_indexes      a
  , dba_part_key_columns  b
WHERE
      a.owner              = UPPER('&schema_name')
  AND a.table_name         = UPPER('&table_name')
  AND RTRIM(b.object_type) = 'INDEX'
  AND b.owner              = a.owner
  AND b.name               = a.index_name
ORDER BY
    a.index_name
  , b.column_position
/