删除数据库文件之后出现的错误
SQL> alter database datafile 5 offline drop;Database altered.SQL> startup;ORA-01081: cannot start already-running ORACLE - shut it down firstSQL> shutdown immediate;ORA-01109: database not openDatabase dismounted.ORACLE instance shut down.SQL> startup;ORACLE instance started.Total System Global Area 1703624704 bytesFixed Size 2170464 bytesVariable Size 1056965024 bytesDatabase Buffers 637534208 bytesRedo Buffers 6955008 bytesDatabase mounted.Database opened.
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