I'm using both 7.3.4 and 8.1.6 and was wondering if there was a select statement in 7.3.4 that would return the userid of the current session. I know the command below will give me the answer in 8.1.6 but it does not work in 7.3.4

'select sys_context('userenv','current_user') from dual;'

Thanks for your help