Rails 7 - Bổ sung option "if_exists/if_not_exists" khi thêm/xóa foreign_key trong migration ⛑️⛑️⛑️

Source: https://viblo.asia/p/rails-7-bo-sung-option-if-existsif-not-exists-khi-themxoa-foreign-key-trong-migration-naQZRQ2dKvx

Ruby on Rails Migration

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