diff --git a/lab_sql_joins_julian.sql b/lab_sql_joins_julian.sql
new file mode 100644
index 0000000..a9d3b76
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+++ b/lab_sql_joins_julian.sql
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+use sakila;
+
+-- Q1
+select c.name, 
+	count(*)
+from film_category fc
+join category c on fc.category_id = c.category_id
+group by c.name, c.category_id
+;
+
+-- Q2
+select * from store;
+select * from address;
+
+select s.store_id, c.city, cy.country
+from store s
+join address a on s.address_id = a.address_id
+join city c on a.city_id = c.city_id
+join country cy on cy.country_id = c.country_id
+;
+
+
+-- Q3
+
+select ad.address as store_name,
+	sum(p.amount) as revenue
+from payment p
+join staff s on s.staff_id = p.staff_id
+join store str on str.store_id = s.store_id
+join address ad on ad.address_id = str.address_id
+group by store_name
+;
+
+
+-- Q4
+select c.name as movie_category,
+	avg(flm.length) as movie_length
+from film_category fc
+join category c on fc.category_id = c.category_id
+join film flm on flm.film_id = fc.film_id
+group by c.name
+order by movie_length desc
+;
+
+
+-- 5
+select c.name as movie_category,
+	avg(flm.length) as movie_length
+from film_category fc
+join category c on fc.category_id = c.category_id
+join film flm on flm.film_id = fc.film_id
+group by c.name
+order by movie_length desc
+limit 1
+;
+
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