Building Database Applications in Elixir with Ecto/

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Quiz: Creating Polymorphic Associations

Quiz: Creating Polymorphic Associations

Quiz yourself on creating polymorphic associations.

We'll cover the following...
Technical Quiz
1.

In which of the approaches to creating polymorphic associations do we make sure we change all of the tables together if we decide to add or remove a column from a table?

A.

When using multiple foreign keys

B.

When using many_to_many associations

C.

When using an abstract schema

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