URI Problem 2607 Solution Providers' City in Alphabetical Order

URI Problem 2607 Solution Providers' City in Alphabetical Order - URI Online Judge Solution

URI Online Judge Solution 2607 Providers' City in Alphabetical Order Using PostgreSQL Query Language.

Every month the company asks for a report from the cities that providers are registered. So, do a query that returns all the cities of the providers, but in alphabetical order.
OBS: You must not show repeated cities.

Schema

providers
Column	Type
id (PK)	numeric
name	varchar
street	varchar
city	varchar
state	char

Tables

providers
id	name	street	city	state
1	Henrique	Av Brasil	Rio de Janeiro	RJ
2	Marcelo Augusto	Rua Imigrantes	Belo Horizonte	MG
3	Caroline Silva	Av São Paulo	Salvador	BA
4	Guilerme Staff	Rua Central	Porto Alegre	RS
5	Isabela Moraes	Av Juiz Grande	Curitiba	PR
6	Francisco Accerr	Av Paulista	São Paulo	SP

Output Sample

city

Belo Horizonte

Curitiba

Porto Alegre

Rio de Janeiro

Salvador

São Paulo

URI 2607 Solution in SQL:


SELECT City 
FROM Providers 
ORDER BY City ASC

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