Can I set up Cascade deleting in Rails?

Question

I know this is probably on the Internet somewhere but I can\'t find the answer here on Stackoverflow so I thought I may boost up the knowledge base here a little.

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Answer 1

you can also set the :dependent option to :delete_all. :delete_all will issue a single SQL statement to delete all child records. because of this using :delete_all may give you better performance.

has_many :memberships, dependent: :delete_all