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The Ruby and Rails community linklog

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The difference between dependent: :destroy and :delete_all

by claudiooutput —

Adding “dependent: :destroy” to “has_many” is a good choice but can sometimes slow down your code. Switching to “dependent: :delete_all” will decrease the number of SQL queries by skipping validations and callbacks => https://www.youtube.com/watch?v=Gsw2gPbT1so

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