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I am new to Ruby and Rails and am curious about something.
In two different tutorials I am looking at they use different methods for populating a database with basic test information.
One uses "rake db:seed" to pull from a text file with sample data.
The other uses "rake db:fixtures:load".
To me they appear to do the exact same thing.
Do they, or am I missing something here? (Highly likely)
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When you run rake db:seed it will load all the admin data into your application. Rails seeding is generally for development and/or staging environments, there are only a few uses in production. You don't want your production application to seed dummy users!
Rails seed files are a useful way of populating a database with the initial data needed for a Rails project. The Rails db/seeds. rb file contains plain Ruby code and can be run with the Rails-default rails db:seed task.
rake is a Make-like program implemented in Ruby. rails is a web framework, which also has some rake tasks. This means that you can have a ruby program with rake but without rails, but not the other way around. By itself, rake will be faster because you don't need to load the whole rails application.
db:prepare: Runs setup if the database does not exist. Otherwise, it runs the migrations. db:reset: Resets your database using your migrations for the current environment. It does this by running the db:drop , db:create , db:migrate tasks.
rake db:seed loads the data from db/seeds.rb into the database. This is generally used for development and production databases. It's permanent data that you use to start an empty application. More information here.
rake db:fixtures:load loads the test fixtures into the test database. This is temporary data used solely by the tests. You can think of fixtures as sample data.
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