Exactly. If you're getting paid $60 an hour, you just wasted $500. Someone who knows SQL (or in this case Scala) could do this problem in seconds. "didn't give a rat's ass about efficiency." is a bit redundant - you're running the query once and you're getting paid by the hour.
That being said, the manager asking a math major to do an information science task seems a tad incompetent.
That being said, the manager asking a math major to do an information science task seems a tad incompetent.