diff --git a/task.sql b/task.sql
index 8adf22b..aabf105 100644
--- a/task.sql
+++ b/task.sql
@@ -1,11 +1,28 @@
 -- Use our database
-USE ShopDB; 
+USE ShopDB;
 
 -- Some data should be created outside the transaction (here)
 
--- Start the transaction 
-START TRANSACTION; 
+-- Creating an order is a standalone action: a new order starts out empty,
+-- so it does not need to be atomic with anything else.
+INSERT INTO Orders (CustomerID, Date)
+	VALUES (1, '2023-01-01');
 
--- And some data should be created inside the transaction 
+SET @OrderID = LAST_INSERT_ID();
 
-COMMIT; 
\ No newline at end of file
+-- Start the transaction
+START TRANSACTION;
+
+-- And some data should be created inside the transaction
+
+-- Adding an order item and decreasing the corresponding product's
+-- WarehouseAmount must happen together, or not at all, to keep stock
+-- counts consistent with what has actually been ordered.
+INSERT INTO OrderItems (OrderID, ProductID, Count)
+	VALUES (@OrderID, 1, 1);
+
+UPDATE Products
+	SET WarehouseAmount = WarehouseAmount - 1
+	WHERE ID = 1;
+
+COMMIT;