dbsk11 / active-record-quiz

Quiz: Active Record

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Active Record

?:

class Car
end

To make use of ActiveRecord's built-in ORM methods for this Car class, which syntax is used?

( )

class Car < ActiveRecord
end

(X)

class Car < ActiveRecord::Base
end

( )

class Car < ActiveRecord:Base
end

( )

class Car > ActiveRecord::Base
end

?: Which of these methods are NOT inherited via its relationship to ActiveRecord?

( ) .column_names ( ) .create ( ) .find (X) None of the Above

?: To search by any attribute, such as make, which method should be used?

( ) .find ( ) .find_by_name ( ) .filter (X) .find_by

?: Rake is a tool that is available to us in BASH that allows us to automate certain jobs?

( ) True (X) False

?: To build a Rake task, what file should be created?

( )Rakefile.rb ( )Rake (X)Rakefile ( ).Rakefile

?: Which syntax is used to define a Rake task?

(X)

task :alert do
  puts "This is an important task"
end

( )

task :alert
  puts "This is an important task"
end

( )

task .alert do
  puts "This is an important task"
end

( )

rake :alert do
  puts "This is an important task"
end

?: Which command in the terminal will return a list of available Rake tasks and their descriptions?

( ) rake ( ) rake console ( ) rake ls (X) rake -T

?: When using Active Record migrations, we no longer need to write SQL to create and change tables and their data.

(X) True ( ) False

?: To run a migration, which syntax is used?

(X) rake db:migrate ( )rake db ( )rake db::migrate ( )rake migrate:db

?: To write a migration to change a column name, which syntax is used?

( ) add_column(table_name, column_name, type) ( ) column_change(table_name, column_name, type) (X) change_column(table_name, column_name, type) ( ) update_column(table_name, column_name, type)

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