solved lab

sakila_insights.sql

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+USE sakila;
+
+# 1.Displaying and seeing data in all the sakila database tables
+SHOW TABLES;
+
+# 2.Retrieve all the data from the tables actor, film and customer.
+select * from actor limit 10;
+select * from film limit 10;
+select * from customer limit 10;
+
+# 3.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 as titles_of_all_films from film;
+select name as language from language;
+select first_name from staff;
+
+# 4.Retrieve unique release years.
+select * from film;
+select distinct release_year from film;
+
+# 5. Counting records for database insights:
+# 5.1 Determine the number of stores that the company has.
+select count(*) as number_of_stores from store;
+
+# 5.2 Determine the number of employees that the company has.
+select count(*) as number_of_emp from staff;
+
+# 5.3 Determine how many films are available for rent and how many have been rented.
+select count(*) AS total_available_for_rent from inventory;
+
+# 5.4 Determine the number of distinct last names of the actors in the database.
+select distinct last_name from actor;
+
+# 6.Retrieve the 10 longest films.
+select title as film_name, length from film order by length desc limit 10;
+
+# Use filtering techniques in order to:
+# 7.1 Retrieve all actors with the first name "SCARLETT".
+select * from actor;
+select concat(first_name, " " ,last_name) as actor_name from actor where first_name = "SCARLETT";
+
+# 7.2 Retrieve all movies that have ARMAGEDDON in their title and have a duration longer than 100 minutes.
+select * from film;
+select * from film where title like ('%ARMAGEDDON%') and length > 100;
+
+# 7.3 Determine the number of films that include Behind the Scenes content
+select * from film where special_features like ('%Behind the Scenes%');