ruby on rails - RubyOnRails4 How do I exclude properties from a has_many relationship when rendering JSON -

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Is there a way to exclude properties: jobs like I have done with the database @? I am new to Ruby and Rail so I doubt (Read: hopefully) that my syntax is wrong and it's an easy problem to fix. 

  wants.json {rendere: json = & gt; @ Database ,: included = & gt; [: Jobs],: = Excluding & gt; If your  @ 
  "post-text" itemprop = "text"> 
 <: id: created_at: update_at]}    < P> Database  Object Model class  is_maya: Jobs  Then, you can:  
  Render: Jason => @ Database: (= & gt; {: jobs = & gt; {: except = & gt; [: created_at, updated_at]}}, except: => [: id, created_at, updated_at]) < / Code>

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