ORM magic

The ORM layer is magic, right?

The ORM layer "hides" the database, right?

We never have to think about persistence, right? It just magically "happens."

Wrong.

Here's some quotes from a recent email:

"Somehow people are surprised that we would have performance issues. Somehow people are surprised that now that …
more ...

Java vs. PL/SQL

Quite a while ago, I compared Java and PL/SQL to gauge their relative performance.

Recently (okay, back in mid-June) I got this request.

One thing I would like to compare is Java vs PL/SQL using native compilation (search Oracle for NCOMP). Would you be willing to repeat your …

more ...

That's odd -- Python faster than Java

Here's an amazing Stack Overflow question.

The follow-up conversation is great stuff.

The question shows two versions of approximately the same processing. Python is faster than Java. That's unexpected.

Java has static compilation and the hot-spot translation to machine code. Apparently, Python has some optimizations that are just as valuable …

more ...