Oracle PL/SQL/User Previliege/Lock Unlock Account

Alter user to lock or unlock the account

SQL> create user oracle_admin  identified by oracle_admin;
User created.
SQL>
SQL> grant create session, dba to oracle_admin;
Grant succeeded.
SQL>
SQL> alter user oracle_admin account lock;
User altered.
SQL>
SQL> alter user oracle_admin account unlock;
User altered.
SQL>
SQL> -- connect oracle_admin/oracle_admin;
SQL>
SQL> DROP USER oracle_admin;
User dropped.
SQL>

unlock user

 
alter user joe account unlock;