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Grow Bootcamp _ dbt Solution Key
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-- 1A) dim_customers SQL | |
select | |
store_id || "-" || cast(id as string) as unique_id | |
, id | |
, store_id | |
, name | |
from {{ source('apjuice', 'users') }} | |
-- 2A) test and docs | |
- name: dim_customers | |
description: customer details | |
columns: | |
- name: unique_id | |
description: unique customer_id and store_id combination | |
tests: | |
- not_null | |
- unique | |
-- 3A) top_customers | |
select | |
s.store_id | |
, ss.unique_customer_id | |
, c.name | |
, sum(product_cost) as total_spend | |
from {{ ref('sales_items') }} as s | |
join {{ ref('sales') }} as ss on s.sale_id = ss.id | |
join {{ ref('dim_customers') }} as c on ss.unique_customer_id = c.unique_id | |
where | |
ss.unique_customer_id is not null | |
group by s.store_id, ss.unique_customer_id, c.name | |
order by total_spend desc | |
limit 100 |
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