diff --git a/solved-lab.sql b/solved-lab.sql
new file mode 100644
index 0000000..0848fd3
--- /dev/null
+++ b/solved-lab.sql
@@ -0,0 +1,84 @@
+SELECT 
+  MIN(length) AS min_duration,
+  MAX(length) AS max_duration
+FROM film;
+
+SELECT
+  FLOOR(ROUND(AVG(length)) / 60) AS avg_hours,
+  MOD(ROUND(AVG(length)), 60)   AS avg_minutes,
+  CONCAT(FLOOR(ROUND(AVG(length))/60), ' hours ',
+         MOD(ROUND(AVG(length)),60), ' minutes') AS avg_duration_hm
+FROM film;
+
+SELECT 
+  DATEDIFF(MAX(rental_date), MIN(rental_date)) AS operating_days
+FROM rental;
+
+SELECT
+  rental_id,
+  rental_date,
+  customer_id,
+  inventory_id,
+  MONTHNAME(rental_date) AS rental_month,
+  DAYNAME(rental_date)   AS rental_weekday
+FROM rental
+ORDER BY rental_date
+LIMIT 20;
+
+SELECT
+  rental_id,
+  rental_date,
+  customer_id,
+  inventory_id,
+  CASE 
+    WHEN DAYOFWEEK(rental_date) IN (1,7) THEN 'weekend'  -- 1=Sunday, 7=Saturday
+    ELSE 'workday'
+  END AS day_type
+FROM rental
+ORDER BY rental_date
+LIMIT 20;
+
+SELECT
+  title,
+  IFNULL(CAST(rental_duration AS CHAR), 'Not Available') AS rental_duration
+FROM film
+ORDER BY title ASC;
+
+SELECT
+  CONCAT(first_name, ' ', last_name) AS full_name,
+  LEFT(email, 3)                     As email_prefix
+FROM customer
+ORDER BY last_name ASC, first_name ASC;
+
+SELECT COUNT(*) AS total_films
+FROM film;
+
+SELECT rating, COUNT(*) AS film_count
+FROM film
+GROUP BY rating;
+
+SELECT rating, COUNT(*) AS film_count
+FROM film
+GROUP BY rating
+ORDER BY film_count DESC;
+
+SELECT
+  rating,
+  ROUND(AVG(length), 2) AS mean_length
+FROM film
+GROUP BY rating
+ORDER BY mean_length DESC;
+
+SELECT
+  rating,
+  ROUND(AVG(length), 2) AS mean_length
+FROM film
+GROUP BY rating
+HAVING AVG(length) > 120
+ORDER BY mean_length DESC;
+
+SELECT last_name
+FROM actor
+GROUP BY last_name
+HAVING COUNT(*) = 1
+ORDER BY last_name ASC;