From cbda84ed1ea5793f7d667ad3d6ec4d4e1d587477 Mon Sep 17 00:00:00 2001 From: Jobarbru Date: Thu, 24 Oct 2024 19:32:20 +0200 Subject: [PATCH] Create clase1.txt --- clase1.txt | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 clase1.txt diff --git a/clase1.txt b/clase1.txt new file mode 100644 index 0000000..9b497a1 --- /dev/null +++ b/clase1.txt @@ -0,0 +1,29 @@ +SELECT actor_id, first_name, last_name, last_update +FROM actor; +-- ilike sirve para que sql no distinga entre mayus o minus +-- _ funciona para determinar una restriccion + +SELECT count (actor_id) as total_actor FROM actor; + + +SELECT COUNT (DISTINCT first_name) FROM actor; + +SELECT max (DISTINCT first_name) FROM actor; + +SELECT * FROM film; + +SELECT * FROM film +WHERE replacement_cost > 2 +AND title ILIKE 'p_%' +AND rental_duration BETWEEN 1 AND 5 +AND release_year <= 2006 +AND length >= 100 +AND rental_rate > 2; + + +SELECT title, CEIL (replacement_cost/rental_rate) AS BEP +FROM film +ORDER BY BEP DESC; + +Select * from film +where special_features[2] ilike 'D%' \ No newline at end of file