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      C:\>lsnrctl status
      LSNRCTL for 32-bit Windows: Version 9.2.0.1.0 - Production on 30-6ÔÂ -2009 21:08
      :04
      Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.
      ÕýÔÚÁ¬½Óµ½ (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
      TNS-12541: TNS£ºÎÞ¼àÌýÆ÷
      TNS-12560: TNS: ЭÒéÊÊÅäÆ÷´íÎó
      TNS-00511: ÎÞ¼àÌýÆ÷
      32-bit Windows Error: 2: No such file or directory
      ÕýÔÚÁ¬½Óµ½ (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=www-7f628f1510d)(PORT=1521)
      ))
      TNS-12541: TNS£ºÎÞ¼àÌýÆ÷
      TNS-12560: TNS: ЭÒéÊÊÅäÆ÷´íÎó
      TNS-00511: ÎÞ¼àÌýÆ÷
      32-bit Windows Error: 61: Unknown error
    * ³¢ÊԵǽ±¾µØÊý¾Ý¿â£º
      C:\>sqlplus /nolog
      SQL*Plus: Release 9.2.0.1.0 - Production on ÐÇÆÚ¶þ 6ÔÂ 30 21:10:24 2009
      Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
      SQL> conn scott/tiger@oradb
      ERROR:
      ORA-12541: TNS: ûÓмàÌýÆ÷
      SQL> exit;
      £­£­Èç¹ûûÓÐÆô¶¯ORACLE·þÎñµÄ»°£¬½«³öÏÖÏÂÃæµÄ´íÎó¶ø²»ÊÇÉÏÃæ£º ERROR: ORA-12560: TNS: ЭÒéÊÊÅäÆ÷´íÎó
      C:\>sqlplus "/as sysdba"
      SQL*Plus: Release 9.2.0.1.0 - Production on ÐÇÆÚ¶þ 6ÔÂ 30 21:14:17 2009
      Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
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1.commit;rollback;
2.select * from dictionary;
describe dba_users;
select * from dba_users;
select name from v$controlfile;
3.
alter database drop logfile group 3
select archiver from v$instance;
alter tablespace userdata read only;
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select tablespace_nam ......

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create user iagent identified by ia
profile default 
default  tablespace users
temporary tablespace temp
account unlock;
 
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grant create user,drop user,alter user,create any view,drop any view,exp_full_database,imp_full_database,dba,connect,resour ......

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  #su - oracle
#sqlplus  /nolog
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sql> connect sys/oracle as sysdba;
  sql> startup [nomount|mount]
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oracle instances started,
databa ......
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