How to design the relations between USER and FAVORITE(or LIKE) models in DB

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I have these models(tables): USER, PHOTO, BOOK, QUESTION etc. And now I wanna add the favorite or like


                      
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                2021-01-26 01:45
              
            
            
                                                                       


This uses supertype/subtype relationship. For a few more similar examples and explanations see here and how to create tables.
                                                                        
                                                        
            
            
              
                
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