pandas select vb

film_code.sql

@@ -0,0 +1,121 @@
+USE SAKILA; 
+
+-- 1. 
+SELECT COUNT(DISTINCT (last_name)) FROM ACTOR;
+-- 2. 
+SELECT COUNT(DISTINCT (language_id)) FROM FILM; 
+-- 3. 
+SELECT COUNT(DISTINCT FILM_ID) FROM FILM WHERE RATING = "PG-13";
+-- 4. 
+SELECT TITLE FROM FILM 
+	WHERE (RELEASE_YEAR = "2006") 
+    ORDER BY LENGTH DESC
+    LIMIT 10; 
+
+-- 5. 
+SELECT DATEDIFF(max(rental_date), min(rental_date)) FROM RENTAL;
+-- 6.
+SELECT rental_id, rental_date, staff_id, month(rental_date) as month_, weekday(rental_date) as weekday_ from RENTAL; 
+
+-- 7. 
+ALTER TABLE RENTAL
+ADD day_type VARCHAR(20); 
+
+set sql_safe_updates = 0; 
+
+
+UPDATE RENTAL
+SET day_type =
+	CASE
+		WHEN weekday(rental_date) in (1,2,3,5) then "workday" 
+    ELSE "weekend"
+END;
+
+-- 8.  
+SELECT COUNT(rental_id) FROM RENTAL
+where month(rental_date);  
+
+-- 9. 
+SELECT DISTINCT(rating)from FILM;
+
+-- 10. 
+SELECT DISTINCT(release_year) from FILM;  
+
+-- 11. 
+SELECT * FROM FILM  
+	WHERE TITLE LIKE ("%ARMAGEDDON%");
+
+-- 12. 
+SELECT * FROM FILM  
+	WHERE TITLE LIKE ("%APOLLO%");
+
+-- 13.    
+SELECT * FROM FILM  
+	WHERE TITLE LIKE ("%APOLLO");
+
+-- 14.
+
+SELECT * FROM FILM  
+	WHERE TITLE REGEXP "\\bDATE\\b";
+
+-- 15. 
+SELECT * FROM FILM 
+    ORDER BY LENGTH(TITLE) DESC
+    LIMIT 10; 
+
+
+-- 16. 
+SELECT TITLE, LENGTH FROM FILM 
+    ORDER BY LENGTH DESC
+    LIMIT 10; 
+
+-- 17. 
+SELECT * FROM FILM
+	WHERE SPECIAL_FEATURES LIKE ("%Behind the Scenes%");
+
+-- 18.     
+SELECT * FROM FILM
+ORDER BY RELEASE_YEAR ASC, TITLE ASC;
+
+-- 19.
+ALTER TABLE STAFF
+DROP PICTURE; 
+
+-- 20. 
+INSERT INTO staff (staff_id, first_name, last_name, address_id, email, store_id, active, username, last_update)
+SELECT customer_id, first_name, last_name, address_id, email, store_id, active, "-", last_update
+FROM CUSTOMER
+WHERE first_name = "TAMMY" and last_name = "SANDERS";
+
+-- 21. 
+INSERT INTO rental (rental_date, inventory_id, customer_id, return_date, staff_id, last_update)
+VALUES("2023-10-25", 1, 130, "2023-10-31", 1, "2006-02-15 05:09:17"); 
+
+select customer_id from sakila.customer
+where first_name = 'CHARLOTTE' and last_name = 'HUNTER';
+
+select * from staff
+where store_id = 1;
+
+select * from rental
+where staff_id = 1 and customer_id = 130;
+
+select * from inventory
+where film_id = 1;
+
+select * from film 
+where title like "%DINOSAUR%";
+
+
+-- 22. 
+CREATE TABLE deleted_users AS SELECT CUSTOMER_ID, EMAIL FROM CUSTOMER;
+
+INSERT INTO DELETED_USERS (CUSTOMER_ID, EMAIL) 
+SELECT CUSTOMER_ID, EMAIL
+FROM CUSTOMER
+WHERE ACTIVE = 0;
+
+DELETE FROM CUSTOMER
+WHERE active = 0;
+    -- cannot delete without messing up stuff
+