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Question

我試圖檢索所有符合以下條件的ID：在具體的街道

1. 生活有兩個電話號碼
2. 已作出命令
3. 是女性

select id from Customer 
join Address on Address.customer_id = Customer.id 
join Orders on Orders.customer_id = Customer.id 
join Gender on Gender.customer_id = Customer.id 
join Telephone on Telephone.customer_id = Customer.id 
where Address.street_name ='MainStreet' 
and Orders.customer_id is not null 
and Gender.gender ='Female' 
group by Telephone.customer_id 
having count(Telephone.customer_id) = 2 

當我運行此，I R eceive「列或表達式無效」 當我通過並刪除組時，它可以正常工作。

有人可以幫我這個嗎？

Answer 1

試試這個

select id from Customer 
join Address on Address.customer_id = Customer.id 
join Orders on Orders.customer_id = Customer.id 
join Gender on Gender.customer_id = Customer.id 
join (
select customer_id from Telephone 
group by customer_id 
having count(customer_id) = 2 
) AS Telephone on Telephone.customer_id = Customer.id 
where Address.street_name ='MainStreet' 
and Orders.customer_id is not null 
and Gender.gender ='Female'