When I am trying to logging to Oracle Sql plus by entering 'scott' as username and 'tiger' as password, it shows 'the account is locked'. How to unlock 'scott' account. The screen shot of SQL Plus CLI is given below.

When I am trying to logging to Oracle Sql plus by entering 'scott' as username and 'tiger' as password, it shows 'the account is locked'. How to unlock 'scott' account. The screen shot of SQL Plus CLI is given below.

You can use below steps to account unlock
SQL> select USERNAME,ACCOUNT_STATUS from dba_users where username='SCOTT';
USERNAME ACCOUNT_STATUS
SCOTT LOCKED
SQL> alter user SCOTT account unlock;
User altered.
SQL> select USERNAME,ACCOUNT_STATUS from dba_users where username='SCOTT';
USERNAME ACCOUNT_STATUS
SCOTT OPEN
SQL> conn SCOTT/SCOTT Connected. SQL>
1.copy oracle path C:\oraclexe\app\oracle\product\11.2.0\server\rdbms\admin\scott.sql
2.Connect with sys as sysdba
3.Then paste in prompt-> @C:\oraclexe\app\oracle\product\11.2.0\server\rdbms\admin\scott.sql
4.then connect with System user.
5.alter user scott account unlock;
6.alter user scott identified by tiger;