film table is a list of all films
potentially in stock in the stores. The actual in-stock copies
of each film are represented in the
film_id: A surrogate primary key used to uniquely identify each film in the table.
title: The title of the film.
description: A short description or plot summary of the film.
release_year: The year in which the movie was released.
language_id: A foreign key pointing at the
languagetable; identifies the language of the film.
original_language_id: A foreign key pointing at the
languagetable; identifies the original language of the film. Used when a film has been dubbed into a new language.
rental_duration: The length of the rental period, in days.
rental_rate: The cost to rent the film for the period specified in the
length: The duration of the film, in minutes.
replacement_cost: The amount charged to the customer if the film is not returned or is returned in a damaged state.
rating: The rating assigned to the film. Can be one of:
special_features: Lists which common special features are included on the DVD. Can be zero or more of:
Behind the Scenes.
last_update: When the row was created or most recently updated.