ORA-01157: cannot identify/lock data file 7 - see DBWR trace file

ORA-01157: cannot identify/lock data file 7 - see DBWR trace file ORA-01110: data file 7: '/oradata/test01.dbf' 问题出现原因: 不小心手动删除了数据库文件,启动数据库报错 解决办法: sqlplus / as sysdba startup mount select file#,name
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