Reviews For Payless ShoeSource Customer Service (5) bad manager at 567...warrenton, or Over heard a store manager at 567 repremand an employee for not showing me a shoe... really not needed.
Haskell is most likely quite different from any language you've ever used before. Compared to the usual set of concepts in a programmer's mental toolbox, functional programming offers us a profoundly different way to think about software. In Haskell, we de-emphasise code that modifies data.
As a side note (5+ years later), the HAVING clause is actually intended for use with grouped elements. However, it works with aggregate clauses (MIN, MAX, AVG) in most SQL engines even without a GROUP BY clause.