--查看临时表空间的使用情况
SELECT temp_used.tablespace_name,
       total - used as "Free",
       total as "Total",
       round(nvl(total - used, 0) * 100 / total, 3) "Free percent"
FROM (SELECT tablespace_name, SUM(bytes_used) / 1024 / 1024 used
          FROM GV_$TEMP_SPACE_HEADER
         GROUP BY tablespace_name) temp_used,
       (SELECT tablespace_name, SUM(bytes) / 1024 / 1024 total
          FROM dba_temp_files
         GROUP BY tablespace_name) temp_total
WHERE temp_used.tablespace_name = temp_total.tablespace_name

--运行在temp临时表空间的sql语句
Select se.username,
       se.sid,
       su.extents,
       su.blocks * to_number(rtrim(p.value)) as Space,
       tablespace,
       segtype,
       sql_text
from v$sort_usage su, v$parameter p, v$session se, v$sql s
where p.name = 'db_block_size'
   and su.session_addr = se.saddr
   and s.hash_value = su.sqlhash
   and s.address = su.sqladdr
order by se.username, se.sid

--查看当前临时表空间使用大小与正在占用临时表空间的sql语句
select sess.SID, segtype, blocks * 8 / 1000 "MB", sql_text
from v$sort_usage sort, v$session sess, v$sql sql
where sort.SESSION_ADDR = sess.SADDR
and sql.ADDRESS = sess.SQL_ADDRESS
order by blocks desc;

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关于临时表空间常用的几个查询sql

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