ShrinkUndo表空间,释放空间
添加时间: 2008-4-23 22:43:03 作者: Oracle指导 阅读次数:129 来源: http://www.d9soft.com
11:32:11 SQL> /
USN XACTS STATUS RSSIZE/1024/1024/1024 HWMSIZE/1024/1024/1024 SHRINKS
---------- ---------- --------------- --------------------- ---------------------- ----------
15 1 ONLINE .000114441 .000114441 0
11 0 ONLINE .000114441 .000114441 0
12 0 ONLINE .000114441 .000114441 0
13 0 ONLINE .000114441 .000114441 0
14 0 ONLINE .000114441 .000114441 0
20 0 ONLINE .000114441 .000114441 0
16 0 ONLINE .000114441 .000114441 0
17 0 ONLINE .000114441 .000114441 0
18 0 ONLINE .000114441 .000114441 0
19 0 ONLINE .000114441 .000114441 0
0 0 ONLINE .000358582 .000358582 0
11 rows selected.
Elapsed: 00:00:00.00
6.删除原UNDO表空间
11:34:00 SQL> drop tablespace undotbs1 including contents;
Tablespace dropped.
Elapsed: 00:00:03.13
7. 检查 空间情况
由于我使用的ASM 管理 ,可以使用10gR2提供的信工具asmcmd来察看空间占用情况.
[oracle@danaly ~]$ export ORACLE_SID=+ASM
[oracle@danaly ~]$ asmcmd
ASMCMD> du
Used_MB Mirror_used_MB
21625 21625
ASMCMD> exit
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