Step-by-step “Hello World” examples in Ruby, SQL, and Ruby on Rails
Continuing forward from Part 1 of this 3-part “Hello World” mini-series within our web and mobile development tutorials, here we'll walk through Ruby, Standard Query Language (SQL), and Ruby on Rails. If you have not yet completed steps 1–7 from Part 1, click here to go back and do so now. If you have, great, let's continue.