你是什么登录的?用什么用户登录的?你按下面方法试试: 登录:system/manager connect / as sysdba; startup
startup nomount alter database mount 把提示贴出来
SQL> startup nomount ORACLE instance started.Total System Global Area 1610612736 bytes Fixed Size 2073192 bytes Variable Size 385879448 bytes Database Buffers 1207959552 bytes Redo Buffers 14700544 bytes SQL> alter database mount 2 ; alter database mount * ERROR at line 1: ORA-01102: cannot mount database in EXCLUSIVE mode
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登录:system/manager
connect / as sysdba;
startup
alter database mount
把提示贴出来
ORACLE instance started.Total System Global Area 1610612736 bytes
Fixed Size 2073192 bytes
Variable Size 385879448 bytes
Database Buffers 1207959552 bytes
Redo Buffers 14700544 bytes
SQL> alter database mount
2 ;
alter database mount
*
ERROR at line 1:
ORA-01102: cannot mount database in EXCLUSIVE mode