Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of the DATA1 tablespace. You place the DATA1 tablespace in backu ...
分类:
其他好文 时间:
2017-11-16 18:32:16
阅读次数:
112
To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode:SQL> ALTER TABLESPACE ...
分类:
其他好文 时间:
2017-11-15 17:03:19
阅读次数:
209
删除表空间,文件还在! 删除文件,用户还在! 都删除必须使用下面的! drop tablespace 空间名 including contents and datafiles cascade constraint drop user 用户名 cascade ...
分类:
数据库 时间:
2017-11-14 22:27:34
阅读次数:
317
有的数据库在使用过程中由于某些操作会导至临时表空间过大,由于临时表空间的工作机制,在作业完成后该部分临时表空间也不会释放。通过重建临时表空间的方法可以解决这个问题,但操作还是有点繁琐。在操作中发现,通过resizetempfile可以释放临时表空间,如果有多个tempfile,通..
分类:
数据库 时间:
2017-11-14 16:32:09
阅读次数:
173
Why should you back up a duplicated tablespace after a TSPITR is complete?A. The tablespace cannot be duplicated or restored to any point in time afte ...
分类:
其他好文 时间:
2017-11-13 16:53:57
阅读次数:
132
Which of the following Oracle features utilize the undo tablespace? (Choose all that apply)A. Flashback QueryB. Flashback DropC. Flashback TableD. Fla ...
分类:
其他好文 时间:
2017-11-13 16:41:39
阅读次数:
110
In what state are the datafiles of a tablespace after a TSPITR has been successfully completed?A. The datafiles have an ONLINE status.B. The datafiles ...
分类:
其他好文 时间:
2017-11-13 16:31:47
阅读次数:
201
set line xxxx 设置宽度select t.FILE_NAME,t.TABLESPACE_NAME from dba_data_files t where t.TABLESPACE_NAME='XXXXX'通过以下命令设置烈宽后,正常显示。col FILE_NAME format a45c ...
分类:
数据库 时间:
2017-11-11 13:14:25
阅读次数:
180
表空间碎片相关:select tablespace_name, round(sqrt(max(blocks) / sum(blocks)) * (100 / sqrt(sqrt(count(blocks)))), 2) FSFI, (case when sqrt(max(blocks) / sum( ...
分类:
数据库 时间:
2017-11-11 11:29:49
阅读次数:
241
Tablespace SYSAUX grows quickly. Run Oracle script awrinfo.sql to find what is using the space. One section of the report shows that ACTIVE_SESSION_HI ...
分类:
其他好文 时间:
2017-11-11 11:28:37
阅读次数:
248