I discovered today that the problem with this technique is the first solution I found was not the optimal solution. Fortunately I happened across a TechNow Video that enlightened me on the best way.
In this case, I am trying to get a single user record from the sys_user table. Once I get the record I then use the person’s user_name from the user object to search for a record in a custom table. So here’s the inefficient way I was doing it (not efficient way in orange highlight):