Leetcode Customers Who Never Order problem solution YASH PAL, 31 July 202419 January 2026 In this Leetcode Customers Who Never Order problem solution Suppose that a website contains two tables, the Customers table, and the Orders table. Write a SQL query to find all customers who never order anything.Leetcode Customers Who Never Order problem solution in Oracle.select Name as "Customers" from Customers Left Join Orders ON Customers.Id = Orders.CustomerId where Orders.CustomerId is null; Customers Who Never Order problem solution in MySQL.SELECT A.Name As Customers FROM Customers A WHERE NOT EXISTS (SELECT B.CustomerId FROM Orders B WHERE B.CustomerId = A.Id) Problem solution in TSQL.SELECT A.Name AS Customers FROM Customers AS A LEFT JOIN Orders AS B ON A.Id = B.CustomerID WHERE B.CustomerID IS NULL coding problems solutions Leetcode Problems Solutions Leetcode