報錯:ORA-01017(:用戶名/口令無效; 登錄被拒絕)
1.打開CMD命令窗,輸入sqlplus / as sysdba
2.再輸入conn / as sysdba
1)修改密碼
SQL>alter user 用戶名 identified by 密碼
2)用戶被鎖定,解鎖
查詢是否被鎖
select username, account_status, lock_date from dba_users;
oracle解鎖用戶
ALTER USER username ACCOUNT UNLOCK;