bundle exec is a Bundler command to execute a script in the context of the current bundle (the one from your directory’s Gemfile). rake db:migrate is the script where db is the namespace and migrate is the task name defined. So bundle exec rake db:migrate executes the rake script with the command db:migrate in the … Read more
It was deemed a “security” risk. You can get around it by using absolute paths File.expand_path(__FILE__) et al or doing require ‘./filename’ (ironically). or by using require_relative ‘filename’ or adding an “include” directory ruby -I . … or the same, using irb; $irb -I .
db:migrate runs (single) migrations that have not run yet. db:create creates the database db:drop deletes the database db:schema:load creates tables and columns within the existing database following schema.rb. This will delete existing data. db:setup does db:create, db:schema:load, db:seed db:reset does db:drop, db:setup db:migrate:reset does db:drop, db:create, db:migrate Typically, you would use db:migrate after having made … Read more