diff --git a/task.sql b/task.sql
index 8adf22b..bf60765 100644
--- a/task.sql
+++ b/task.sql
@@ -1,11 +1,19 @@
 -- Use our database
-USE ShopDB; 
+USE ShopDB;
 
--- Some data should be created outside the transaction (here)
+-- ShopDB should be created by running create-database.sql before this script.
+-- AwersomeProduct with ID 1 and customer with ID 1 are inserted there as initial data.
 
--- Start the transaction 
-START TRANSACTION; 
+INSERT INTO Orders (CustomerID, Date)
+VALUES (1, '2023-01-01');
 
--- And some data should be created inside the transaction 
+-- Start the transaction
+START TRANSACTION;
 
-COMMIT; 
\ No newline at end of file
+INSERT INTO OrderItems (OrderID, ProductID, Count)
+VALUES (1, 1, 1);
+
+UPDATE Products SET WarehouseAmount = WarehouseAmount - 1
+WHERE ID = 1;
+
+COMMIT;