Accepting multiple data types - Ruby On Rails

I come with a problem mainly of logic, I am developing a survey, which works perfectly, your question is created, and you get the answer, all right, but the field that gets the answer only accepts as data type " string ", and there are questions that need to be answered numerically, and others that are Boolean, because the response field is in a loop, all get the same type of input, let's say that there would be no problem here since I can specify the type of response that could be obtained through the view by means of a condition, show the required input type [text, number, select, etc. ], however my problem is found in the type of data that the table field will receive in the database, since by default it is "string", but if the response sent is a Boolean? A float? Should I create multiple fields in the table that receive different types of data? Or in what way could you handle this situation? Finally, at the moment I can answer the questions, I show them in the show view of the survey that was just created, and I add the answer form below each question by means of a loop, but I have to send one by Once, when you should have a single submit for the whole survey, attach my code:

show.html.erb (Survey)

<p>
  <strong>Name:</strong>
  <%= @survey.name %>
</p>

<ol>
  <% @survey.questions.each do |question| %>
    <li>
      <%= question.survey_question %>

      <%= form_with(model: [ question, question.answers.build ], local: true) do |form| %>
        <p>
          <%= form.label :survey_answer %><br>
          <%= form.text_area :survey_answer %>
        </p>
        <p>
          <%= form.submit %>
        </p>
      <% end %>    

    </li> 
    <br>
  <% end %>
</ol>

form.html.erb (Survey)

<%= form_with(model: survey, local: true) do |form| %>
  <% if survey.errors.any? %>
    <div id="error_explanation">
      <h2><%= pluralize(survey.errors.count, "error") %> prohibited this survey from being saved:</h2>

      <ul>
      <% survey.errors.full_messages.each do |message| %>
        <li><%= message %></li>
      <% end %>
      </ul>
    </div>
  <% end %>

  <div class="field">
    <%= form.label :name %>
    <%= form.text_field :name %>
  </div>

  <ol>
    <%= form.fields_for :questions do |builder| %>
      <%= render "question_fields", form: builder %> <br>
    <% end %>  
  </ol>

  <div class="actions">
    <%= form.submit %>
  </div>
<% end %>

question_fields.html.erb

<li>
    <%= form.label :pregunta %>
    <%= form.text_area :survey_question %>
    <%= form.check_box :_destroy %>
</li>

question.rb (Model)

class Question < ApplicationRecord

    belongs_to :survey
    has_many :answers
    accepts_nested_attributes_for :answers, reject_if: proc { |attributes| attributes['survey_response'].blank? }, allow_destroy: true

end

survey.rb (Model)

class Survey < ApplicationRecord
    has_many :questions
    accepts_nested_attributes_for :questions, reject_if: proc { |attributes| attributes['survey_question'].blank? }, allow_destroy: true
end

surveys_controller.rb

class SurveysController < ApplicationController
  before_action :set_survey, only: [:show, :edit, :update, :destroy]

  def new
    @survey = Survey.new
    question = @survey.questions.build
    question.answers.build
  end

  def edit
    question = @survey.questions.build
    question.answers.build
  end

  private
    def set_survey
      @survey = Survey.find(params[:id])
    end

    def survey_params
      params.require(:survey).permit(:name, :user_id, questions_attributes: [:id, :survey_question, :survey_id, :_destroy])
    end
end

answer.rb (Migration)

class CreateAnswers < ActiveRecord::Migration[5.2]
  def change
    create_table :answers do |t|
      t.string :survey_answer
      t.integer :question_id

      t.timestamps
    end
  end
end

question.rb (Migration)

class CreateQuestions < ActiveRecord::Migration[5.2]
  def change
    create_table :questions do |t|
      t.string :survey_question
      t.integer :survey_id

      t.timestamps
    end
  end
end

survey.rb

class CreateSurveys < ActiveRecord::Migration[5.2]
  def change
    create_table :surveys do |t|
      t.string :name

      t.timestamps
    end
  end
end

routes.rb

Rails.application.routes.draw do

  resources :surveys do
    resources :questions
  end

  resources :questions do 
    resources :answers  
  end

end