DROP MATERIALIZED VIEW IF EXISTS dm.inactive_users_summary;
CREATE MATERIALIZED VIEW dm.inactive_users_summary
DISTRIBUTED BY (user_id)
AS
select
	du.user_id as user_id,
	du.name as user_name,
	du.email as email,
	du.age as age,
	COALESCE(e.enrollments_count, 0) as enrollments_count,
	du.registration_date as registration_date
from
	core.dim_user du
left join 
	(select
		user_id,
		COUNT(*) as enrollments_count
	from 
		core.enrollments
	group by
		user_id
		) e on du.user_id = e.user_id 
left join core.fact_lesson_views flv on du.user_id = flv.user_id
where
	flv.user_id is null;