Looking at MySQL 8 with PostgreSQL goggles on
By Kaarel Moppel - Compare MySQL and PostgreSQL - First off - I'm not trying to kindle any flame wars here, just trying to broaden my (your) horizons a bit, gather some ideas (maybe I'm missing out on something cool, it's the most used Open Source RDBMS after all) and to somewhat compare the two despite being a difficult thing to do correctly / objectively. Also, I'm leaving aside performance comp
Rails+PostgreSQL: EXTRACT関数で期間をスマートに扱う（翻訳）｜TechRacho by BPS株式会社
概要 原著者の許諾を得て翻訳・公開いたします。 英語記事: PostgreSQL Quick Tips: Working With Dates Using EXTRACT function - Karol Galanciak - Ruby on Rails and Ember.js consultant 原文公開日: 2018/01/30 著者: Karol Galanciak Rails+PostgreSQL: EXTRACT関数で日付をスマートに扱う方法（翻訳） eコマースプラットフォームを実装中に、今年の注文をすべて取り出したくなったとしましょう。Railsでこれをやれる最もシンプルな方法はどんなものがあるでしょうか。おそらく次のようなクエリを書くのではないでしょうか。 Order.where("created_at >= ? AND created_at < ?", Date.to
Enumerated Types with ActiveRecord and PostgreSQL — SitePoint
July 13, 2015Enumerated Types with ActiveRecord and PostgreSQL An Enumerated Type (also called an “enum”) is a data type with a set of named elements, each of them having a different value that can be used as constants, among other things. An enum can be implemented in various languages and frameworks, and in this article we will implement an enum in a Ruby on Rails application. Rails, as you like
A Docker dev config for Ruby on Rails
I use Docker for all my client work, and most of my personal projects too. I love it. It’s saved me a ton of money because it uses so much less RAM than Vagrant — what I had been using. Benefits of this config Just docker-compose up to set up and launch the dev environment (Yep, a one-liner like vagrant up – that’s the goal.) One easy-to-install dependency to get coding on a new computer: Docker.
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それPostgreSQLでできるよ @ Rails Developer Meetup 2018 Day 1