Assume there're n film categories. Let L = Min(L1, L2, .. Ln)  where Li = the length of the longest film in the ith category. Please write a single SQL query that finds all films whose lengths are greater than L

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Assume there're n film categories. Let L = Min(L1, L2, .. Ln)  where Li = the length of the longest film in the ith category.

Please write a single SQL query that finds all films whose lengths are greater than L. 

category
inventory
customer
* category_id
* inventory_id
film_id
store_id
last_update
* customer_id
store_id
first_name
last_name
+ email
address_id
activebool
name
last_update
film_category
* film_id
* category_id
last_update
create_date
last_update
active
rental
* rental_id
rental_date
inventory_id
customer_id
return_date
staff_id
last_update
address
film
* address_id
* film_id
title
address
address2
district
description
release_year
language_id
rental_duration
rental_rate
length
replacement_cost
rating
last_update
special_features
city_id
postal_code
phone
last_update
payment
* payment_id
customer_id
staff_id
rental_id
amount
payment_date
city
* city_id
city
country_id
last_update
fulltext
staff
* staff_id
first_name
last_name
address_id
email
language
store_id
* language_id
active
country
name
username
last_update
* country_id
password
last_update
picture
country
last_update
film_actor
´ actor_id
* film_id
last_update
actor
store
* store_id
manager_staff_id
address_id
last_update
* actor_id
王
first_name
last_name
last_update
Transcribed Image Text:category inventory customer * category_id * inventory_id film_id store_id last_update * customer_id store_id first_name last_name + email address_id activebool name last_update film_category * film_id * category_id last_update create_date last_update active rental * rental_id rental_date inventory_id customer_id return_date staff_id last_update address film * address_id * film_id title address address2 district description release_year language_id rental_duration rental_rate length replacement_cost rating last_update special_features city_id postal_code phone last_update payment * payment_id customer_id staff_id rental_id amount payment_date city * city_id city country_id last_update fulltext staff * staff_id first_name last_name address_id email language store_id * language_id active country name username last_update * country_id password last_update picture country last_update film_actor ´ actor_id * film_id last_update actor store * store_id manager_staff_id address_id last_update * actor_id 王 first_name last_name last_update
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