Into the Light

In my previous post I walked through how I designed a new query language called Entity History Query Language (EHQL) for a group of semi- and non-technical analysts working with vehicle maintenance data.

I recently had the pleasure of designing and implementing a custom query language1, along with an integrated execution environment.

What’s the difference between a data constraint and a data query?

Say you run an online book store and want to build a data pipeline that figures out who the top-selling authors are.

Many years ago, working as a database developer at a video game company, I was tasked with designing the database behind an in-game wallet service.

I was recently talking to some coworkers about the mix of data technology we have in our stack.

A couple of co-workers who are new to database technology recently asked me why we use both Postgres and Redshift in our stack.

In the movie Die Hard with a Vengeance (aka Die Hard 3), there is a famous scene where John McClane (Bruce Willis) and Zeus Carver (Samuel L.