oracle資料表空間查詢

1.查詢使用者（資料）資料表空間

SELECT UPPER(F.TABLESPACE_NAME) "資料表空間名",
       D.TOT_GROOTTE_MB "資料表空間大小(M)",
       D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空間(M)",
       TO_CHAR(ROUND((D.TOT_GROOTTE_MB - F.TOTAL_BYTES) / D.TOT_GROOTTE_MB * 100,
                     2),
               '990.99') "使用比",
       F.TOTAL_BYTES "空閑空間(M)",
       F.MAX_BYTES "最大塊(M)"
  FROM (SELECT TABLESPACE_NAME,
               ROUND(SUM(BYTES) / (1024 * 1024), 2) TOTAL_BYTES,
               ROUND(MAX(BYTES) / (1024 * 1024), 2) MAX_BYTES
          FROM SYS.DBA_FREE_SPACE
         GROUP BY TABLESPACE_NAME) F,
       (SELECT DD.TABLESPACE_NAME,
               ROUND(SUM(DD.BYTES) / (1024 * 1024), 2) TOT_GROOTTE_MB
          FROM SYS.DBA_DATA_FILES DD
         GROUP BY DD.TABLESPACE_NAME) D
 WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME
 ORDER BY 4 DESC

 

2.查詢暫存資料表空間

SELECT d.status "Status", d.tablespace_name "Name", d.CONTENTS "Type",
       d.extent_management "Extent Management",
       TO_CHAR (NVL (a.BYTES / 1024 / 1024, 0), '99,999,990.900') "Size (M)",
          TO_CHAR (NVL (t.BYTES, 0) / 1024 / 1024, '99999999.999')
       || '/'
       || TO_CHAR (NVL (a.BYTES / 1024 / 1024, 0), '99999999.999') "Used (M)",
       TO_CHAR (NVL (t.BYTES / a.BYTES * 100, 0), '990.00') "Used %"
  FROM SYS.dba_tablespaces d,
       (SELECT   tablespace_name, SUM (BYTES) BYTES
            FROM dba_temp_files
        GROUP BY tablespace_name) a,
       (SELECT   tablespace_name, SUM (bytes_cached) BYTES
            FROM v$temp_extent_pool
        GROUP BY tablespace_name) t
WHERE d.tablespace_name = a.tablespace_name(+)
   AND d.tablespace_name = t.tablespace_name(+)
   AND d.extent_management LIKE 'LOCAL'
   AND d.CONTENTS LIKE 'TEMPORARY'

-- 收縮暫存資料表空間
 alter tablespace tbs_mk_temp coalse;

3.查詢某個使用者下表 佔用的空間
 select t.segment_name,sum(t.bytes)/1024/1024
 from user_segments t
 where segment_name like 'TB%'
 group by t.segment_name
 order by sum(t.bytes)/1024/1024  desc

4. 查詢表是否是分區表 ，佔用的大小
select *
 from user_segments t
 where segment_name like 'TB%'
 and t.segment_name='TB_FI_FIG_WINNER_CUST_MON'

 

5.查詢  被鎖的進程（dba登入）

  select sess.sid,sess.serial#, lo.oracle_username,lo.os_user_name,ao.object_name, sess.LOGON_TIME,lo.locked_mode
from v$locked_object lo,dba_objects ao,v$session sess
where ao.object_id = lo.object_id
and lo.session_id = sess.sid
order by sess.LOGON_TIME;

6. 殺掉被鎖的進程

alter system kill session '1997,33097';