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Editorial Team
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Asked: 2026-05-25T10:30:15+00:00

Not worded my question very well, but with these tables: USER TABLE ANIMALS u_id

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Not worded my question very well, but with these tables:

    USER TABLE                       ANIMALS
    u_id   username                   a_id   animal
    --------------------------       ---------------------------
      2    alice                       1    cat
      4    brian                       2    small dog
      7    carla                       3    big dog
                                       4    rabbit
                                       5    guinea pig
                                       etc.

I want a user to be able to add however many animals they own to their profile.

What new tables/fields and datatypes would be the best way for me to go about this?

Thank you.

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1 Answer

  1. Editorial Team

    If you need to allow multiple types of the same animal per user (Janet can have more than one Rabbit) then do the following. Make UserId and AnimalID your primary key.

    I would just do

     UserAnimals
 ------------
 UserId
 AnimalID

    Filled with data your table might look like this:

     UserAnimals
 ------------
 UserId || AnimalId
      4 || 3
      4 || 2
      7 || 4

    Brian has a small dog and a big dog. Carla has a rabbit.

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