DBNEWNAME工具介绍

时间:2023-03-09 06:45:43
DBNEWNAME工具介绍

下面修改数据库的SID和db_name

  1. [root@oracle ~]# su - ora11g
  2. db11@oracle /home/ora11g$
  3. db11@oracle  /home/ora11g$ sqlplus /as sysdba
  4. SQL*Plus:Release11.2.0.4.0Production on MonMar3007:39:362015
  5. Copyright(c)1982,2013,Oracle.All rights reserved.
  6. Connected to:
  7. OracleDatabase11gEnterpriseEditionRelease11.2.0.4.0-64bitProduction
  8. With the Partitioning, OLAP,DataMiningandRealApplicationTesting options
  9. SQL>select name, dbid,log_mode,open_mode from v$database;
  10. NAME DBID LOG_MODE OPEN_MODE
  11. ---------------------------------------------------
  12. DB11 1400765095 ARCHIVELOG READ WRITE

启动到mount状态

  1. SQL> shutdown immediate;
  2. Database closed.
  3. Database dismounted.
  4. ORACLE instance shut down.
  5. SQL> startup mount
  6. ORACLE instance started.
  7. TotalSystemGlobalArea835104768 bytes
  8. FixedSize2257840 bytes
  9. VariableSize507513936 bytes
  10. DatabaseBuffers322961408 bytes
  11. RedoBuffers2371584 bytes
  12. Database mounted.
  13. SQL>exit
  14. DisconnectedfromOracleDatabase11gEnterpriseEditionRelease11.2.0.4.0-64bitProduction
  15. With the Partitioning, OLAP,DataMiningandRealApplicationTesting options

执行命令

  1. db11@oracle /home/ora11g$ nid target=sys/oracle dbname=newdb11 setname=yes
  2. DBNEWID:Release11.2.0.4.0-Production on MonMar3007:44:262015
  3. Copyright(c)1982,2011,Oracleand/or its affiliates.All rights reserved.
  4. Connected to database DB11 (DBID=1400765095)
  5. Connected to server version 11.2.0
  6. ControlFilesin database:
  7. /u01/app/oracle11g/oradata/DB11/controlfile/o1_mf_bcc2h7dx_.ctl
  8. Change database name of database DB11 to NEWDB11?(Y/[N])=> Y
  9. Proceedingwith operation
  10. Changing database name from DB11 to NEWDB11
  11. ControlFile/u01/app/oracle11g/oradata/DB11/controlfile/o1_mf_bcc2h7dx_.ctl - modified
  12. Datafile/u01/app/oracle11g/oradata/DB11/datafile/o1_mf_system_bcc2dp1d_.db - wrote new name
  13. Datafile/u01/app/oracle11g/oradata/DB11/datafile/o1_mf_sysaux_bcc2dp2c_.db - wrote new name
  14. Datafile/u01/app/oracle11g/oradata/DB11/datafile/fdstore.db - wrote new name
  15. Datafile/u01/app/oracle11g/oradata/DB11/datafile/o1_mf_users_bcc2dp33_.db - wrote new name
  16. Datafile/u01/app/oracle11g/oradata/DB11/datafile/o1_mf_new_user_bcp23qgn_.db - wrote new name
  17. Datafile/u01/app/oracle11g/oradata/DB11/datafile/undotbs2.db - wrote new name
  18. Datafile/u01/app/oracle11g/oradata/DB11/datafile/o1_mf_temp_bcc2hld2_.tm - wrote new name
  19. ControlFile/u01/app/oracle11g/oradata/DB11/controlfile/o1_mf_bcc2h7dx_.ctl - wrote new name
  20. Instance shut down
  21. Database name changed to NEWDB11.
  22. Modify parameter file and generate a new password file before restarting.
  23. Succesfully changed database name.
  24. DBNEWID -Completed succesfully.

数据库中修改db_name

  1. db11@oracle /u01/app/oracle11g/product/11.2.0/dbhome_1/dbs$ sqlplus /as sysdba
  2. SQL*Plus:Release11.2.0.4.0Production on MonMar3007:58:332015
  3. Copyright(c)1982,2013,Oracle.All rights reserved.
  4. Connected to an idle instance.
  5. SQL> startup nomount
  6. ORACLE instance started.
  7. TotalSystemGlobalArea835104768 bytes
  8. FixedSize2257840 bytes
  9. VariableSize507513936 bytes
  10. DatabaseBuffers322961408 bytes
  11. RedoBuffers2371584 bytes
  12. SQL>set line 200
  13. SQL> show parameter db_name
  14. SQL> show parameter db_name
  15. NAME TYPE VALUE
  16. ----------------------------------------------------------------------------------------
  17. db_name string db11
  18. SQL> alter system set db_name=newdb11 scope=spfile;
  19. System altered.
  20. SQL> startup mount force
  21. ORACLE instance started.
  22. TotalSystemGlobalArea835104768 bytes
  23. FixedSize2257840 bytes
  24. VariableSize507513936 bytes
  25. DatabaseBuffers322961408 bytes
  26. RedoBuffers2371584 bytes
  27. Database mounted.
  28. SQL>exit
  29. DisconnectedfromOracleDatabase11gEnterpriseEditionRelease11.2.0.4.0-64bitProduction
  30. With the Partitioning, OLAP,DataMiningandRealApplicationTesting options

创建新的密码文件

  1. db11@oracle /home/ora11g$ 
  2. db11@oracle  /home/ora11g$ orapwd file=$ORACLE_HOME/dbs/orapwnewdb11 password=oracle entries=10
  3.  
  4. 创建参数文件
  5.  
  6. db11@oracle  /home/ora11g$ export ORACLE_SID=newdb11
  7. SQL> create spfile from pfile;
  8. File created.
  9. SQL>exit
  10. DisconnectedfromOracleDatabase11gEnterpriseEditionRelease11.2.0.4.0-64bitProduction
  11. With the Partitioning, OLAP,DataMiningandRealApplicationTesting options
  12. 根据原参数文件,修改成新的参数文件,具体操作略

启动新的数据库名的数据库

  1. newdb11@oracle /home/ora11g$ export ORACLE_SID=newdb11
  2. newdb11@oracle  /home/ora11g$ sqlplus /as sysdba
  3. SQL*Plus:Release11.2.0.4.0Production on MonMar3008:16:162015
  4. Copyright(c)1982,2013,Oracle.All rights reserved.
  5. Connected to:
  6. OracleDatabase11gEnterpriseEditionRelease11.2.0.4.0-64bitProduction
  7. With the Partitioning, OLAP,DataMiningandRealApplicationTesting options
  8. SQL> startup
  9. ORACLE instance started.
  10. TotalSystemGlobalArea835104768 bytes
  11. FixedSize2257840 bytes
  12. VariableSize507513936 bytes
  13. DatabaseBuffers322961408 bytes
  14. RedoBuffers2371584 bytes
  15. Database mounted.
  16. Database opened.
  17. SQL>
  18. SQL>select instance_name,status from v$instance;
  19. INSTANCE_NAME STATUS
  20. ----------------------------
  21. newdb11 OPEN

OK。。。启动成功