??????????
?????????????????????????????ó??????????豸???????????????????????????????????????????????ι???????????????н?????????????????????????????????????????????????????????????????????????????????????????????????
????Oracle??????????OS?????????????????????й????????????????????
????SQLNET.ORA????????е????SQLNET.AUTHENTICATION_SERVICES????
????PFILE(SPFILE)????????е????REMOTE_LOGIN_PASSWORDFILE??????????????
???????????orapw$SID(Linux) | PWD$SID.ora(Windows) ????SYSTEM ????????? DBA ?????
????Oracle??????????????
????????SQLNET.AUTHENTICATION_SERVICES??????????????????OS????????????????
?????????????????????????????????????????????????????
????1??REMOTE_LOGIN_PASSWORDFILE???????????NONE
????2?????????????????????????????????????????????
????????????????????????????????????????????????
???????????? Oracle ????????????????????????????????????????????????????????????????????????????????????????????Ч???????????????ε??????????????????????????Ч?????????????????????Щ??ó????????????
????????????/???????????????/????????????????????????????????????????????????????? (DES) ?????????????????????????????????緢????Щ???
???????????????
????conn / as sysdba??????????????????ò????????????????root?????????)?????????????????dba???oinstall?У????????dba?????????
?????????????? ????????????????????????
????????????????
??????????????????????????????????????????????????
????????????洢??λ??  $ORACLE_HOME/dbs/orapw$ORACLE_SID
??????黷????
[oracle@tyger ~]$ id
uid=54321(oracle) gid=54321(oinstall) groups=54321(oinstall)??54322(dba)
[oracle@tyger ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.1.0 - Production on Fri Feb 28 09:15:35 2014
Copyright (c) 1982?? 2005?? Oracle.  All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning?? OLAP and Data Mining options
SYS@ORCL>select * from v$version;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod
PL/SQL Release 10.2.0.1.0 - Production
CORE    10.2.0.1.0      Production
TNS for Linux: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production