-- List of partitioned tables
SELECT DISTINCT P.TABLE_OWNER, P.TABLE_NAME, count(*) AS NB_PARTITIONS, 
    SP.NB_SUBPARTITIONS
FROM DBA_TAB_PARTITIONS P
LEFT JOIN (SELECT DISTINCT TABLE_OWNER, TABLE_NAME, count(*) AS NB_SUBPARTITIONS
           FROM DBA_TAB_SUBPARTITIONS
           GROUP BY TABLE_OWNER, TABLE_NAME, PARTITION_NAME
          ) SP
ON P.TABLE_OWNER = SP.TABLE_OWNER AND P.TABLE_NAME = SP.TABLE_NAME
WHERE P.TABLE_OWNER NOT IN ('SYS', 'SYSTEM')
GROUP BY P.TABLE_OWNER, P.TABLE_NAME, SP.NB_SUBPARTITIONS
ORDER BY P.TABLE_OWNER, P.TABLE_NAME;