How to create a second amdin user for Oracle Application APEX.
1- unlock the account FLOWS_030000 and login with FLOWS_030000 to Database where APEX was installed.
2- run the following procedure
p_user_name => 'admin2',
p_email_address => 'email@example.com',
p_web_password => 'admin2') ;
3- test the new admin account from the url
it will ask the new admin username and password, in our case the username is "admin2" and password is "admin2", once logged in, the APEX will ask to change the old password.
4- in case you dont know the password for FLOWS_030000, you can change the password and once run the procedure in point 2, the FLOWS_030000 should be locked.