Answers for "laravel foreign on delete cascade"

cascade in laravel migration

$table->dropForeign('answers_user_id_foreign');
$table->foreign('user_id')
->references('id')->on('users')
->onDelete('cascade');

how set cascade on delete and update in same time in laravel

$table->foreign('user_id')->references('id')->on('users')
->onDelete('SET NULL')
->onUpdate('SET NULL'); // also available CASCADE, RESTRICT, DO NOTHING, NO ACTION