[英]SQL query to get customers who have purchased same product in two different quarters - Date Ranges
[英]SQL query to get customers who purchased product purchased by other customers
我有兩個實體訂單,訂單項訂單捕獲訂單 ID、客戶 ID 和運輸詳細信息的信息,訂單項詳細信息將捕獲訂單 ID、產品和訂購數量。
我想獲取購買了他購買的相同產品的 customer_id 也被其他三個客戶購買。
select corder.customer_id,lineitem.prod_id
from lineitem
join corder on corder.order_id=lineitem.order_id
where prod_id in(select prod_id from lineitem
group by prod_id
having count(prod_id)>2)
此查詢獲取客戶 ID 和產品,我還需要僅過濾僅由其他三個客戶購買產品的客戶
您想要由四個或更多客戶購買的產品。 那是:
select li.prod_id
from lineitem li join
corder o
on li.order_id = o.order_id
group by li.prod_id
having count(distinct o.customer_id) >= 4;
現在您需要購買這些產品的客戶。 所以:
select distinct c.customer_id
from corder co join
lineitem li
on li.order_id = o.order_id
where li.prod_id in (select li.prod_id
from lineitem li join
corder o
on li.order_id = o.order_id
group by li.prod_id
having count(distinct o.customer_id) >= 4
);
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.