?????????????????Database Configuration Assistant???????????????
????????Oracle????????Oracle???????????????????????????泄?OracleService??????????????????????屑??????????????????????????
????Oracle??????????????sys?????system???
????1.sys????????????????懈?????????sysdba???????create database?????????????????????manager
????2.system?????????????????????????sysoper????????create database????????????????change_on_install
?????????????????????????system?????????????
????Oracle???????sql*plus????????????sql???plsql?椤�
????????????????????sql*plus????????????????????????????????????????????????????????????????????????
????????????????????plsql?????not logged on ????
??????cmd?????校?
????sqlplus "scott/tiger"
????sqlplus "hr/hr"
????sqlplus "sys/oracle as sysdba"
????sqlplus???????????