per_free in tablespace/autoextent on

Запустив запрос на проверку свободной пространства в ТС
SELECT F.TABLESPACE_NAME,TO_CHAR ((T.TOTAL_SPACE - F.FREE_SPACE),'999,999') "USED (MB)",
TO_CHAR (F.FREE_SPACE, '999,999') "FREE (MB)",
TO_CHAR (T.TOTAL_SPACE, '999,999') "TOTAL (MB)",
TO_CHAR ((ROUND ((F.FREE_SPACE/T.TOTAL_SPACE)*100)),'999')||' %' PER_FREE
FROM (SELECT TABLESPACE_NAME, ROUND (SUM (BLOCKS*(SELECT VALUE/1024
FROM V$PARAMETER WHERE NAME = 'db_block_size')/1024) ) FREE_SPACE
FROM DBA_FREE_SPACE GROUP BY TABLESPACE_NAME) F,
(SELECT TABLESPACE_NAME,ROUND (SUM (BYTES/1048576)) TOTAL_SPACE
FROM DBA_DATA_FILES GROUP BY TABLESPACE_NAME ) T
WHERE F.TABLESPACE_NAME = T.TABLESPACE_NAME
обнаружил пару ТС с 0% в значении PER_FREE
Вопрос: как проверить выставлен ли autoextent в файлах данного ТС?
Ответ: select * from dba_data_files