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--user_id, boss_user_id, payment with db as ( select distinct employee_id as user_id, manager_id as boss_user_id, salary as payment from employees ) select t1.user_id from db t1 cross join t2 where t1.boss_user_id = t2.user_id and coalesce(t1.payment, 0) > coalesce(t2.payment, 0)

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