Scott account locked in SQL Plus

Question

Scott is my username and tiger is my password, but when I try to log into Oracle SQL Plus, it says "the account is locked." 'Scott' account unlocking instructions. Below is a screenshot of the SQL Plus CLI. 

Can someone please help me with this?

Answer 1

With user SYS Login in to your DB : 

SQL*Plus: Release 11.2.0.1.0 Production on Wed Jul 25 15:13:25 2012

Copyright (c) 1982, 2010, Oracle.  All rights reserved.

Enter user-name: sys as sysdba
Enter password:

Then issue

alter user scott account unlock;

Then you will be able to login as scott.

conn scott/tiger