Yah, somebody handed me a ruby script that looped over a query and was causing a whole bunch of other processes to fail because the result wasn't available in a

Yah, somebody handed me a ruby script that looped over a query and was causing a whole bunch of other processes to fail because the result wasn't available in a timely way. My boss was impressed by my having reduced the run time from 22 minutes to 5 by pushing that join into the database.