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🕵️‍♀️ Task

Retrieve the titles of each record from the movies table.

movies

id (integer)
title (string)
year (integer)
duration (integer)
description (text)
image (string)
director_id (integer)

directors

id (integer)
name (string)
dob (date)
bio (text)
image (string)

actors

id (integer)
name (string)
dob (date)
bio (text)
image (string)

characters

id (integer)
actor_id (integer)
movie_id (integer)
name (string)

📖Method

On an ActiveRecord::Relation, the pluck method will retrieve one or more attributes of each record in the collection and returns them in a Array. You can pass one or more Symbols as an argument. Each Symbol must match the name of a column.

Data

id	title	year	duration	description	image	director_id

Data

id	name	dob	bio	image

Data

id	name	dob	bio	image
75	Maggie Gyllenhaal	1977-11-16	Academy Award-nominated act...	http://ia.media-imdb.com/im...
76	Gary Oldman	1958-03-21	Gary Oldman, the son of a w...	http://ia.media-imdb.com/im...
92	Henry Fonda	1905-05-16	Born in Grand Island, Nebra...	http://ia.media-imdb.com/im...
93	Joseph Sweeney	1882-07-26
94	Ed Begley	1901-03-25	Charismatic character star ...	http://ia.media-imdb.com/im...
77	Monique Gabriela Curnen	1977-09-07	Monique Gabriela Curnen is ...	http://ia.media-imdb.com/im...
78	Ron Dean		Ron Dean is a character act...	http://ia.media-imdb.com/im...
79	Cillian Murphy	1976-05-25	Striking Irish actor Cillia...	http://ia.media-imdb.com/im...

Data

id	actor_id	movie_id	name
81	76	6	Gordon
82	2	6	Lucius Fox
83	77	6	Ramirez
84	78	6	Wuertz
85	79	6	Scarecrow
86	80	6	Lau
87	81	6	Mayor
88	82	6	Maroni

Examples

Retrieve the ages of each record in the persons table

Person.all.pluck(:age)
=> [42, 36, 22, 29, 27]

Retrieve the names of each record in the dishes table

Dish.all.pluck(:name)
=> ["Burger", "Mac & Cheese", "Kale Salad"]