solve problem Customers Who Never Order

P-ppc · P-ppc · commit 43ab9f1fb1be · 2018-11-23T21:49:03.000+08:00
diff --git a/README.md b/README.md
@@ -327,4 +327,5 @@ All solutions will be accepted!
 |620|[Not Boring Movies](https://leetcode-cn.com/problems/not-boring-movies/description/)|[mysql](./database/NotBoringMovies)|Easy|
 |196|[Delete Duplicate Emails](https://leetcode-cn.com/problems/delete-duplicate-emails/description/)|[mysql](./database/DeleteDuplicateEmails)|Easy|
 |627|[Swap Salary](https://leetcode-cn.com/problems/swap-salary/description/)|[mysql](./database/SwapSalary)|Easy|
-|175|[Combine Two Tables](https://leetcode-cn.com/problems/combine-two-tables/description/)|[mysql](./database/CombineTwoTables)|Easy|
+|175|[Combine Two Tables](https://leetcode-cn.com/problems/combine-two-tables/description/)|[mysql](./database/CombineTwoTables)|Easy|
+|183|[Customers Who Never Order](https://leetcode-cn.com/problems/customers-who-never-order/description/)|[mysql](./database/CustomersWhoNeverOrder)|Easy|
diff --git a/database/CustomersWhoNeverOrder/README.md b/database/CustomersWhoNeverOrder/README.md
@@ -0,0 +1,2 @@
+# Customers Who Never Order
+This problem is easy to solve
diff --git a/database/CustomersWhoNeverOrder/solution.sql b/database/CustomersWhoNeverOrder/solution.sql
@@ -0,0 +1,2 @@
+# Write your MySQL query statement below
+select Name as Customers from Customers where Id not in (select CustomerId from Orders)

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+# Write your MySQL query statement below`
	`2`	`+select Name as Customers from Customers where Id not in (select CustomerId from Orders)`