From 0b8d434dfa007c074b64caad0e0c6cc5a66cd49a Mon Sep 17 00:00:00 2001
From: ivanbyone <ivanbyone@gmail.com>
Date: Mon, 30 Jun 2025 18:44:54 +0300
Subject: [PATCH 1/2] task: 1045

---
 README.md                                     |  1 +
 ...045. Customers Who Bought All Products.sql | 43 +++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 leetcode/medium/1045. Customers Who Bought All Products.sql

diff --git a/README.md b/README.md
index 8161efa..f4af00f 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,7 @@ Have a good contributing!
 2. [Medium](./leetcode/medium/)
     - [176. Second Highest Salary](./leetcode/medium/176.%20Second%20Highest%20Salary.sql)
     - [184. Department Highest Salary](./leetcode/medium/184.%20Department%20Highest%20Salary.sql)
+    - [1045. Customers Who Bought All Products](./leetcode/medium/1045.%20Customers%20Who%20Bought%20All%20Products.sql)
     - [1070. Product Sales Analysis III](./leetcode/medium/1070.%20Product%20Sales%20Analysis%203.sql)
     - [1158. Market Analysis 1](./leetcode/medium/1158.%20Market%20Analysis%201.sql)
 
diff --git a/leetcode/medium/1045. Customers Who Bought All Products.sql b/leetcode/medium/1045. Customers Who Bought All Products.sql
new file mode 100644
index 0000000..d8b450f
--- /dev/null
+++ b/leetcode/medium/1045. Customers Who Bought All Products.sql	
@@ -0,0 +1,43 @@
+/*
+Question 1045. Customers Who Bought All Products
+Link: https://leetcode.com/problems/customers-who-bought-all-products/description/
+
+Table: Customer
+
++-------------+---------+
+| Column Name | Type    |
++-------------+---------+
+| customer_id | int     |
+| product_key | int     |
++-------------+---------+
+This table may contain duplicates rows. 
+customer_id is not NULL.
+product_key is a foreign key (reference column) to Product table.
+ 
+
+Table: Product
+
++-------------+---------+
+| Column Name | Type    |
++-------------+---------+
+| product_key | int     |
++-------------+---------+
+product_key is the primary key (column with unique values) for this table.
+ 
+
+Write a solution to report the customer ids from the Customer table that bought all the products in the Product table.
+
+Return the result table in any order.
+*/
+
+WITH Customer_products AS (
+    SELECT customer_id, COUNT(DISTINCT product_key) as c
+    FROM Customer
+    GROUP BY customer_id
+)
+SELECT customer_id
+FROM Customer_products
+WHERE c = (
+    SELECT COUNT(1)
+    FROM Product
+)
\ No newline at end of file

From dc020287f8e16ea2cfe9349f53f4619c0fcd6c21 Mon Sep 17 00:00:00 2001
From: ivanbyone <ivanbyone@gmail.com>
Date: Mon, 30 Jun 2025 19:17:00 +0300
Subject: [PATCH 2/2] linted 1045

---
 .../medium/1045. Customers Who Bought All Products.sql     | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/leetcode/medium/1045. Customers Who Bought All Products.sql b/leetcode/medium/1045. Customers Who Bought All Products.sql
index d8b450f..73450c9 100644
--- a/leetcode/medium/1045. Customers Who Bought All Products.sql	
+++ b/leetcode/medium/1045. Customers Who Bought All Products.sql	
@@ -31,13 +31,16 @@ Return the result table in any order.
 */
 
 WITH Customer_products AS (
-    SELECT customer_id, COUNT(DISTINCT product_key) as c
+    SELECT
+        customer_id,
+        COUNT(DISTINCT product_key) AS c
     FROM Customer
     GROUP BY customer_id
 )
+
 SELECT customer_id
 FROM Customer_products
 WHERE c = (
     SELECT COUNT(1)
     FROM Product
-)
\ No newline at end of file
+)