1. cmd ---------------- 2.set oracle_sid=database; 3.sqlplus /nolog; 4.connect /as sysdba 5.starpup 6.alter user sys identifed by yan; 7.connect sys/sys@orcl as sysdba; 或者: 建个用户提权为sysdba create user now_fly identifed by now_fly; grant sysdba to now_fly;
