sqlplus scott/tiger
SQL*Plus: Release 10.1.0.3.0 - Production on 금 3월 4 13:47:58 2005
Copyright (c) 1982, 2004, Oracle. All rights reserved.
ERROR:
ORA-28000: the account is locked
sys 계정으로
alter user scott
account unlock;
명령어 입력 해보세요