SQL

Data Engineering is more SRE than SQL

Following my post about the Chariot Data Engineering interview, I received some comments along the lines of “wait, you don’t test their SQL skills?!?” Actually, we do: after loading up the test data into Redshift, the candidate creates three progressively difficult queries. But by then, I’m pretty sure they’ve got the skills we need, because … Read More

TechChat Tuesdays #53: Boycotting Wayland, and banishing the leap second

From the Chariot Blog We’ve always got great content on the Chariot blog, written by our developers: it’s got over 20 years of tech reviews, tutorials, and more. We’re celebrating our 20th anniversary here at Chariot. Check out this post written by our fearless leader and CEO, Mike Rappaport, on how Chariot’s unique approach has … Read More

Clojure Bits in JVM Universe (Anatoly Polinsky, USA)

Out of many strong JVM based languages Clojure and Java make a great couple. Coming to Clojure from Spring several years ago Anatoly Polinsky really wished, back then, someone could explain functional programming and Clojure ecosystem to me from the Spring/Java point of view. In this talk Anatoly Polinsky of Chariot Solutions will bridge the … Read More

Binding custom types in plain SQL queries in Slick

Hierarchical Queries Hierarchical Queries and Oracle Not everything is as fun as the first time you discover the power of monads and for-comprehensions, or realize the state machine you wrote with pattern matching is super easy to read and follow! Some days its business as usual, which as a software developer means you’re usually trying … Read More

Philly ETE 2015 – Stuart Halloway – Enhancing Datalog for Datomic

Datalog has been a signature feature of Datomic since day one, and the 2015 releases of Datomic add additional expressiveness for hierarchical selection, disjunction, and negation. In this talk, we will cover the basics of Datomic Datalog, and then dive into the latest enhancements, both in the core language and in how Datalog fits into application code.