diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..ab1f416
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/.idea/lab-java-normalization-ddl-aggregation.iml b/.idea/lab-java-normalization-ddl-aggregation.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/lab-java-normalization-ddl-aggregation.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..f5bd2df
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="openjdk-25" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..152076a
--- /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/lab-java-normalization-ddl-aggregation.iml" filepath="$PROJECT_DIR$/.idea/lab-java-normalization-ddl-aggregation.iml" />
+    </modules>
+  </component>
+</project>
\ 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/normalizationLab.sql b/normalizationLab.sql
new file mode 100644
index 0000000..c8a97e3
--- /dev/null
+++ b/normalizationLab.sql
@@ -0,0 +1,48 @@
+USE normalization_lab;
+
+SELECT COUNT(DISTINCT flight_number) AS total_flights
+FROM flights;
+
+SELECT AVG(mileage) AS avg_flight_distance
+FROM flights;
+
+SELECT AVG(total_seats) AS avg_seats
+FROM aircrafts;
+
+SELECT status, AVG(total_mileage) AS avg_customer_mileage
+FROM customers
+GROUP BY status;
+
+SELECT status, MAX(total_mileage) AS max_customer_mileage
+FROM customers
+GROUP BY status;
+
+SELECT COUNT(*) AS boeing_aircraft_count
+FROM aircrafts
+WHERE name LIKE '%Boeing%';
+
+SELECT *
+FROM flights
+WHERE mileage BETWEEN 300 AND 2000;
+
+SELECT c.status, AVG(f.mileage) AS avg_booked_flight_distance
+FROM bookings b
+JOIN customers c ON b.customer_id = c.id
+JOIN flights f ON b.flight_number = f.flight_number
+GROUP BY c.status;
+
+SELECT a.name, COUNT(*) AS total_bookings
+FROM bookings b
+JOIN customers c ON b.customer_id = c.id
+JOIN flights f ON b.flight_number = f.flight_number
+JOIN aircrafts a ON f.aircraft_id = a.id
+WHERE c.status = 'Gold'
+GROUP BY a.name
+ORDER BY total_bookings DESC
+LIMIT 1;
+
+
+
+
+
+