(sysdate,'yyyy-MM-dd HH24:mi:ss') from dual;
#按用户查看当前使用空间 #查看用户使用所有空间
select owner,sum(BYTES)/1024/1024..., 'MM/DD') DAY,
SUM(DECODE(TO_CHAR(first_time, 'HH24'), '00', 1, 0)) H00,
SUM(DECODE(TO_CHAR(first_time...a,
(select tablespace_id,
trunc(to_date(rtime, 'mm/dd/yyyy hh24:mi:ss')) datetime...HH24:MI:SS'),
endtime=>to_date('2020-04-12 14:34:00','YYYY-MM-DD HH24:MI:SS'),
options=> dbms_logmnr.dict_from_online_catalog...PAGES 10000 LONG 2000000000
ALTER SESSION SET nls_date_format='YYYY-MM-DD HH24:MI:SS';
COL version FORMAT