solved lab

Lab_SQL_basic_queries.sql

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+use sakila;
+
+##### 1 ######
+
+show full tables;
+
+## 2 ##
+SELECT * FROM customer;
+SELECT * FROM actor;
+SELECT * FROM film;
+
+## 3 ##
+SELECT title FROM film;
+SELECT name AS 'language' FROM language;
+SELECT first_name FROM staff;
+
+### 4 ###
+SELECT distinct release_year FROM film;
+
+### 5 ###
+SELECT COUNT(store_id) FROM store;
+
+SELECT COUNT(staff_id) FROM staff;
+
+select COUNT(inventory_id) FROM inventory;
+
+SELECT COUNT(rental_id) FROM rental;
+
+SELECT count(distinct last_name) FROM actor;
+
+### 6 ###
+SELECT * FROM film
+ORDER BY lengTH DESC
+LIMIT 10;
+### 7 ###
+SELECT * FROM actor
+WHERE first_name = "SCARLETT";