URI Online Judge SQL | 2624

Number of Cities per Customers

Paulo R. Rodegheri BR Brasil

Timelimit: 1

The company board asked you for a simple report on how many cities the company has already reached.

To do this you must display the number of distinct cities in the customers table.

Schema

customers
Column Type
id (PK) numeric
name character varying (255)
street character varying (255)
city character varying (255)
state char (2)
credit_limit numeric

Tables

customers
id name street city state credit_limit
1 Nicolas Diogo Cardoso Acesso Um Porto Alegre RS 475
2 Cecília Olivia Rodrigues Rua Sizuka Usuy Cianorte PR 3170
3 Augusto Fernando Carlos Eduardo Cardoso Rua Baldomiro Koerich Palhoça SC 1067
4 Nicolas Diogo Cardoso Acesso Um Porto Alegre RS 475
5 Sabrina Heloisa Gabriela Barros Rua Engenheiro Tito Marques Fernandes Porto Alegre RS 4312
6 Joaquim Diego Lorenzo Araújo Rua Vitorino Novo Hamburgo RS 2314

Output Sample

count
4