CRUD Review

Create

  • instance#save
  • INSERT INTO table_name (column_names) VALUES (values_for_columns)

Read

  • Class.all
  • SELECT * FROM table_name

Update

instance = Class.all.first
instance.message #=> 'great coffee'
instance.message =  #=> 'great coffee #'
instance.save
  • UPDATE table_name SET (column_names) WHERE id = ?

Delete