URI Problem 2616 Solution No Rental - URI Online Judge Solution

URI Online Judge Solution 2616 Solution No Rental Using PostgreSQL Query Language.

The video store company intends to do a promotion for customers who have not yet done any rental.
Your job is to deliver us the ID and the name of the customers who have not done any rental.

Schema

customers
Column	Type
id (PK)	numeric
name	varchar
street	varchar
city	varchar

locations
Column	Type
id (PK)	numeric
locations_date	date (ISO/YMD)
id_customers (FK)	numeric

Tables

customers
id	name	street	city
1	Giovanna Goncalves Oliveira	Rua Mato Grosso	Canoas
2	Kauã Azevedo Ribeiro	Travessa Ibiá	Uberlândia
3	Rebeca Barbosa Santos	Rua Observatório Meteorológico	Salvador
4	Sarah Carvalho Correia	Rua Antônio Carlos da Silva	Apucarana
5	João Almeida Lima	Rua Rio Taiuva	Ponta Grossa
6	Diogo Melo Dias	Rua Duzentos e Cinqüenta	Várzea Grande

locations
id	locations_date	id_customers
1	2016-10-09	3
2	2016-09-02	1
3	2016-08-02	4
4	2016-09-02	2
5	2016-03-02	6
6	2016-04-04	4

Output Sample

id	name
5	João Almeida Lima

URI 2616 Solution in SQL:


SELECT id,name
FROM customers
WHERE id NOT IN (SELECT id_customers FROM locations)

Comments

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