Oracle数据库清理日志

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ORA-01033: ORACLE 正在初始化或关闭时

打开sqlsplus.exe清理日志，一般在D:\oracle\product\10.2.0\db_1\BIN路劲下。根据具体的安装路径。

1、首先输入用户名密码连接数据库，密码是看不见的

Enter user-name: conn /as sysdba
Enter password:

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options

2、再次连接
SQL> conn /as sysdba
Connected.

3、打开数据库
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01531: a database already open by the instance

4、查日志
SQL> select group#,sequence#,archived,status from v$log;

GROUP# SEQUENCE# ARC STATUS
---------- ---------- --- ----------------
1 4911 NO INACTIVE
2 4912 NO INACTIVE
3 4913 NO CURRENT

根据显示的1、2、3分别清理日志
SQL> alter database clear unarchived logfile group 1;
Database altered.

SQL> alter database clear unarchived logfile group 2;
Database altered.

SQL> alter database clear unarchived logfile group 3;
alter database clear unarchived logfile group 3
*
ERROR at line 1:
ORA-01624: log 3 needed for crash recovery of instance orcl (thread 1)
ORA-00312: online log 3 thread 1:
'D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\REDO03.LOG'

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