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¡¡¡¡export $ORACLE_HOME $ORACLE_SID£¨×¼±¸½¨Á¢µÄÊý¾Ý¿âµÄSID)
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¡¡¡¡$ORACLE_HOME/dbs/init$ORACLE_SID.ora (¿ÉÒÔ´ÓÒѾ­½¨ºÃµÄ¿âÀïÃæÄÃ,ͨ³£ÔÚpfile ÀïÃæ£©,Ò²¿ÉÒÔ×Ô¼º½¨£º
¡¡¡¡control_files = ($ORACLE_HOME/oradata/$ORACLE_SID/control1.ctl,$ORACLE_HOME/oradata/$ORACLE_SID/control2.ctl,$ORACLE_HOME/oradata/$ORACLE_SID/control3.ctl)
¡¡¡¡undo_management = AUTO
¡¡¡¡undo_tablespace = UNDOTBS1
      db_domain =
¡¡¡¡db_name =¡¡  #ORACLE_SID
¡¡¡¡db_block_size = 8192
¡¡¡¡sga_max_size = 320M
¡¡¡¡sga_target = 320M
      audit_file_dest =  #²»ÉèÖÃĬÈÏ$ORACLE_HOME/rdbms/adump
     
background_dump_dest =     #²»ÉèÖÃĬÈÏ$ORACLE_HOME/rdbms/log
     
core_dump_dest =     #²»ÉèÖÃĬÈÏ$ORACLE_HOME/rdbms/dbs
     
user_dump_dest =     #²»ÉèÖÃĬÈÏ$ORACLE_HOME/rdbms/log
     
open_cursors = 1500   #²»ÉèÖÃĬÈÏ50
     
processes = 500   #²»ÉèÖÃĬÈÏ40
     
log_archive_dest_1 = 'LOCATION=/orahome/arch/WENDING'   #²»ÉèÖÃĬÈÏΪ¿Õ£¬¹éµµ´æ´¢ÔÚ$ORACLE_HOME/rdbms/dbs/arch
     
log_archive_format = 'log_%t_%s_%r.arc'   #²»ÉèÖÃĬÈÏΪ%t_%s_%r.dbf
     
job_queue_processes = 10   #²»ÉèÖÃĬÈÏΪ0
     
undo_retention = 10800   #²»ÉèÖÃĬÈÏΪ900
     
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      audit_sys_operations = TRUE
      audit_trail = db,extended   #ÕâÀï×¢Ò⣬Èç¹û½«À´»áת»»³ÉÎïÀí±¸¿â£¬ÕâÀï¾Í²»ÄÜÉèÖÃdb£¬·ñÔò½«À´ÎïÀí±¸¿âû·¨´ò¿ªread onlyģʽ
      db_recovery_file_dest = $ORACLE_HOME/flash_recovery_area #OMFģʽ±ØÐèÉèÖÃ
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 10DATAFILE '/ora ......

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SELECT emp_name, dept_name
FORM Employee, Department
WHERE Employee.emp_deptid(+) = Department.deptid
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[root@localhost bin]# ls
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[root@localhost bin]#
[root@localhost etc]# ls -la ora*
-rw-r--r-- 1 root   root      60 2008-09-19 oraInst.loc
-rw-rw-r-- 1 oracle oinstall 731 2008-09-19 or ......

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