[英]List Customers who have paid for all the orders or have not placed order
我正在尋找最有效的查詢來獲取客戶名稱，該客戶名稱已經支付了他們與我們一起下達的所有訂單的付款，或者根本沒有下達訂單。以下是表結構：
客戶到訂單是一對多的關系。
付款狀態只能是PAID或UNPAID。
以下是我期望的示例數據和結果。 非常感謝！
select *
from customer c
where not exists (
select 1 from "order" o
where o.cust_id = c.cust_id and payment_status = 'UNPAID'
)
我想創建一個SQL查詢來列出所有下單數量高於平均水平的所有客戶
[英]I wanted to create a SQL query to list of all customers who have placed an above average number of orders
關於如何列出一年內下訂單超過30個的客戶的SQL
[英]SQL on how to list of customers who have placed more than 30 orders in a single year
將客戶和訂單這兩個表連接起來，以獲取所有客戶的列表以及如果他們有訂單的訂單號
[英]Joining two tables, customers and orders to get list of all customers and the order number IF they have an order
獲取通過銷售員工下訂單的客戶所在城市的名稱
[英]Get names of cities of customers who have placed an order through employees who have sold
以下語句將查找所有沒有訂單或有訂單的客戶？
[英]The following statement will find all the customers who have no order or who have order?
使用SQL確定下訂單的不同客戶數量
[英]Using SQL to determine the number of different customers who have placed an order for books
如何顯示特定年份下訂單的所有客戶的字母列表？
[英]How do I display an alphabetic list of all customers who placed an order in specific year?
獲取所有下過汽車訂單總額超過 40000$ 的用戶的姓名
[英]Get all names of users who have placed car orders totalling more than 40000$
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.