I’m Justin. I work at Datadog . I previously worked with with Joe Hellerstein and Sutter Hill Ventures as a Research Software Engineer-in-Residence. Before that I worked for Materialize, Inc. on Materialize . Before that I worked for Cockroach Labs on CockroachDB .
Visit justinjaffray.com → RSS feedOn Hacker News May 2021 – Jul 2023
Databases & Data 2Systems & Performance 1Software Engineering 1
Relational (inner) joins are really common in the world of databases, and one weird thing about them is that it seems like everyone has a different idea of what they are. In this post I’ve aggregated a bunch of different definitions, ways of thinking about them, and ways of implementing them that will hopefully be…