SQL Tutorial

SQL é uma linguagem padrão para armazenar, manipular e recuperar dados em bancos de dados. Nosso tutorial de SQL ensinará como usar o SQL em: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres e outros sistemas de banco de dados.

Exemplos em cada capítulo
Com o nosso editor de SQL on-line, você pode editar as instruções SQL e clicar em um botão para visualizar o resultado.

SELECT * FROM Customers;

Teste de teste SQL
Teste suas habilidades de SQL na W3Schools!

Inicie o SQL Quiz!

Referências SQL
Na W3Schools você encontrará uma referência completa para palavras-chave e função:

Referência de palavras-chave do SQL

Funções MYSQL

Funções SQLServer

Funções do MS Access

Referência Rápida do SQL

Tipos de dados SQL
Tipos de dados e intervalos para o Microsoft Access, MySQL e SQL Server.

Tipos de dados SQL

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