diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..b58b603
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,5 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..1d3ce46
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.13" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.13" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..d007c13
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/rda_task_3_transactions.iml" filepath="$PROJECT_DIR$/.idea/rda_task_3_transactions.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/rda_task_3_transactions.iml b/.idea/rda_task_3_transactions.iml
new file mode 100644
index 0000000..d8b3f6c
--- /dev/null
+++ b/.idea/rda_task_3_transactions.iml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="jdk" jdkName="Python 3.13" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/task.sql b/task.sql
index 8adf22b..2e695f3 100644
--- a/task.sql
+++ b/task.sql
@@ -1,11 +1,8 @@
--- Use our database
-USE ShopDB; 
-
--- Some data should be created outside the transaction (here)
-
--- Start the transaction 
-START TRANSACTION; 
-
--- And some data should be created inside the transaction 
+USE ShopDB;
 
+INSERT INTO Orders (CustomerID, Date) VALUES (1, '2023-01-01');
+SET @OrderID = LAST_INSERT_ID();
+START TRANSACTION;
+INSERT INTO OrderItems (OrderID, ProductID, Count) VALUES (@OrderID, 1, 1);
+UPDATE Products SET WarehouseAmount = WarehouseAmount - 1 WHERE ID = 1;
 COMMIT; 
\ No newline at end of file