Solution to Oracle 11g the account is locked

Oracle 11g the account is locked. Www.2cto.com 1. Failed to log on multiple times (the password may be incorrect); 2. the user is locked manually by the Administrator; 3. The user password expires, the password is not modified on time, and so on. The following is my solution: Connecting C: \ Users \ myname> sqlplus/nolog SQL> connect sys/sys as sysdba; connected. SQL> alter user system account unlock; the user has changed. Www.2cto.com SQL> commit; the submission is complete. SQL> conn system/OK // enter the new password and confirm that OKPassword changedConnected. SQL> conn system/OK is connected. SQL> show user; the USER is "SYSTEM" locked. Method 1: SQL> alter user system account lock; User altered. change account password 1. SQL> ALTER USER system IDENTIFIED BY sysPasswd; learn Oracle Database experience: 1. enter sqlplus under the DOS command to open the SQL Plus that comes with Oracle and a logon prompt appears. If you enter sqlplus/nolog, the logon prompt is not displayed after enabling SQL Plus. 2. in SQL Plus, enter conn to connect to the database. One format is SQL> conn username/password, for example, conn scott/tiger 3. code for locking and unlocking users in Oracle: SQL> alter user Username account lock; (locking) SQL> alter user Username account unlock; (unlocking)