oracle11g OMF 特性与添…
来源:互联网 发布:ajax引用json文件 编辑:程序博客网 时间:2024/05/16 00:55
22:40:02 SQL> select member from v$logfile;
MEMBER
--------------------------------------------------------------------------------
/u01/app/oracle/oradata/MYNEWDB/onlinelog/o1_mf_3_88745ykl_.log
/u01/app/oracle/oradata/MYNEWDB/onlinelog/o1_mf_2_88745w0v_.log
/u01/app/oracle/oradata/MYNEWDB/onlinelog/o1_mf_1_88745t68_.log
22:40:28 SQL> select * from v$log;
rows will be truncated
rows will be truncated
rows will be truncated
rows will be truncated
GROUP# THREAD# SEQUENCE# BYTES BLOCKSIZE MEMBERS ARC STATUS
---------- ---------- ---------- ---------- ---------- ------------- ----------
1 1 7 52428800 512 1 NO CURRENT
2 1 5 52428800 512 1 YES INACTIVE
3 1 6 52428800 512 1 YES INACTIVE
删除loggroup3
22:41:27 SQL> alter database drop logfile'/u01/app/oracle/oradata/MYNEWDB/onlinelog/o1_mf_3_88745ykl_.log';
Database altered.
确认loggroup3已经删除
22:42:36 SQL> select * from v$log;
rows will be truncated
rows will be truncated
rows will be truncated
rows will be truncated
GROUP# THREAD# SEQUENCE# BYTES BLOCKSIZE MEMBERS ARC STATUS
---------- ---------- ---------- ---------- ---------- ------------- ----------
1 1 7 52428800 512 1 NO CURRENT
2 1 5 52428800 512
MEMBER
--------------------------------------------------------------------------------
/u01/app/oracle/oradata/MYNEWDB/onlinelog/o1_mf_3_88745ykl_.log
/u01/app/oracle/oradata/MYNEWDB/onlinelog/o1_mf_2_88745w0v_.log
/u01/app/oracle/oradata/MYNEWDB/onlinelog/o1_mf_1_88745t68_.log
22:40:28 SQL>
rows will be truncated
rows will be truncated
rows will be truncated
rows will be truncated
---------- ---------- ---------- ---------- ---------- ------------- ----------
删除loggroup3
22:41:27 SQL> alter database drop logfile'/u01/app/oracle/oradata/MYNEWDB/onlinelog/o1_mf_3_88745ykl_.log';
Database altered.
确认loggroup3已经删除
22:42:36 SQL> select * from v$log;
rows will be truncated
rows will be truncated
rows will be truncated
rows will be truncated
---------- ---------- ---------- ---------- ---------- ------------- ----------