1,cmd控制台: 使用sqlplus 命令:sqlplus sys/密码@ip/orcl as sysdba; 2,先设置具体时间格式,以便查看具体时间 SQL> alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss'; 3,查看具体的被锁时间 SQL> select username,lock_date from dba_users where username='TEST'; 4,解锁 SQL> alter user test account unlock; 5,查看是那个ip形成的test用户被锁 查看$ORACLE_HOME/network/admin/log/listener.log日志 10-MAR-2009 08:51:03 * (CONNECT_DATA=(SID=lhoms)(SERVER=DEDICATED)(CID=(PROGRAM=oracle)(HOST=omstestdb)(USER=oraoms))) * (ADDRESS=(PROTOCOL=tcp)(HOST=10.69.1.11)(PORT=49434)) * establish * lhoms * 0 10-MAR-2009 08:51:03 * (CONNECT_DATA=(SID=lhoms)(SERVER=DEDICATED)(CID=(PROGRAM=oracle)(HOST=omstestdb)(USER=oraoms))) * (ADDRESS=(PROTOCOL=tcp)(HOST=10.69.1.11)(PORT=49435)) * establish * lhoms * 0 这样可知是上面10.69.1.11的ip尝试屡次失败登录形成的被锁 注: 通常数据库默认是10次尝试失败后锁住用户 6,查看FAILED_LOGIN_ATTEMPTS的值 SQL> select * from dba_profiles where RESOURCE_NAME = 'FAILED_LOGIN_ATTEMPTS'; 7,修改成30次 SQL> alter profile default limit FAILED_LOGIN_ATTEMPTS 30; 8,修改成无限次(为安全起见,不建议使用) SQL> alter profile default limit FAILED_LOGIN_ATTEMPTS unlimited;