Learn how to build a Slack application with Rails in this multi-part series. Part 1 covers setting up a new Rails app, configuring OAuth for authentication, and laying the foundation for Retro Pulse, an app designed to enhance agile retrospectives on Slack.
This post will walk through a step-by-step approach to PostgreSQL query enhancement in Rails applications. From indexing strategies to running migrations without downtime, to efficient column selection, you'll learn some techniques to ensure optimal query performance.