How to unlock the Oracle User (SYTEM)

In this post I  am going to explain how to unlock user oracle database server. here I am going to unlock 'SYTEM' User.

 

Step 1:- you should log as sysdba to  database via SQLPlus as below.

sqlplus sys as sysdba

 Step2 :- To unlock the user, you have to execute below command.

alter user system identified by "Admin1234" account unlock;

Then, you can log into SYSTEM user by using new credentials.

Thank You !!!!!