> I cannot imagine anyone using a database effectively on any significant amount of data without understanding… You'd be surprised just what proportion of syst

> I cannot imagine anyone using a database effectively on any significant amount of data without understanding… You'd be surprised just what proportion of systems running in the market operate on amounts of data you would not deem "significant". And as I said in another comment, Haskell doesn't try to pretend that computations run with no hardware constraints. > All abstractions leak when pushed Yeah. But we might have wildly different ideas for where that boundary is.