A Guide to Writing Better SQL Queries — A two part series (part 2 here) digging into how SQL queries are processed, some anti-patterns, and where big-O complexity gets involved.

Finding all Palindromes Contained in Strings with SQL — Using SQL for unusual and complex tasks can be both fun and a great way to learn more.

Get a preview of what's coming in MongoDB 3.6 — Watch as MongoDB CTO, Eliot Horowitz, explains his commitment to improving, expanding, and innovating on MongoDB before walking through several major improvements coming in MongoDB 3.6 including change streams, retryable writes, and more.

Amazon Aurora Under The Hood: Quorums and Correlated Failure — Anurag Gupta discusses the design considerations and technology underpinning Aurora, AWS’s highly distributed relational database.

Understanding Correlated and Uncorrelated Sub-Queries in SQL — Sub-queries are queries within another query, but they come in two types: correlated and uncorrelated.

In-Memory Database Provider Redis Labs Raises $44M — Redis Labs, a database company focused on Redis, has raised $44 million in a funding round led by Goldman Sachs.

Index Sorting Coming to Elasticsearch 6.0 — Will allow users to optimize indexes to store documents on disk in a specific order.

M|18 MariaDB User Conference Call for Papers Open — Takes place in February next year in New York.

The 2017 Firebase Summit is coming to Amsterdam 31 October 2017 — Attend technical sessions, instructor-led codelabs & demos, and meet-ups with Firebase developers.

Best Practices for Architecting Highly Monitorable Applications — Is your application easy to monitor in production? Many applications are, but sadly, some are designed with observability as an afterthought.

Predixy: A High Performance Redis Proxy — A fully featured Redis proxy with support for Sentinel and Cluster.