resolved

Untitled.sql

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+-- Use the sakila database to do the following tasks:
+-- 
+use sakila;
+select * from sakila;
+
+-- Display all available tables in the Sakila database.
+-- 
+SHOW TABLES;
+
+-- Retrieve all the data from the tables actor, film and customer.
+-- 
+select* from actor, film, customer;
+
+select* from actor;
+select* from film;
+select* from customer;
+-- Retrieve the following columns from their respective tables:
+-- 
+-- 3.1 Titles of all films from the film table
+-- 3.2 List of languages used in films, with the column aliased as language from the language table
+-- 3.3 List of first names of all employees from the staff table
+select title from film;
+select name from language;
+select first_name from staff;
+select * from staff;
+
+
+-- Retrieve unique release years.
+-- 
+
+select distinct release_year from film;
+select * from film;
+-- Counting records for database insights:
+-- 
+-- 5.1 Determine the number of stores that the company has.
+-- 5.2 Determine the number of employees that the company has.
+-- 5.3 Determine how many films are available for rent and how many have been rented.
+-- 5.4 Determine the number of distinct last names of the actors in the database.
+select * from sakila.store;
+select sum(address_id) from store;
+
+
+-- Retrieve the 10 longest films.
+-- 
+select * from film;
+select *
+from film 
+order by length
+limit 10;
+
+-- Use filtering techniques in order to:
+-- 
+-- 7.1 Retrieve all actors with the first name "SCARLETT".
+select * from actor where first_name = "SCARLETT";