September 2024
Intermediate to advanced
356 pages
5h 19m
Spanish
Content preview from Guía SQL de Bolsillo, 4ª Edición
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Capítulo 2. ¿Dónde puedo escribir código SQL?
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Este capítulo cubre tres lugares donde puedes escribir código SQL:
- Software RDBMS
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Para escribir código SQL, primero tienes que descargar un RDBMS como MySQL, Oracle, PostgreSQL, SQL Server o SQLite. Los matices de cada RDBMS se destacan en "Software RDBMS".
- Herramientas de base de datos
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Una vez que hayas descargado un RDBMS, la forma más básica de escribir código SQL es a través de una ventana de terminal, que es una pantalla en blanco y negro de sólo texto. La mayoría de la gente prefiere utilizar una herramienta de base de datos, que es una aplicación más fácil de usar que se conecta a un RDBMS entre bastidores.
Una herramienta de base de datos tendrá una interfaz gráfica de usuario (GUI), que permite a los usuarios explorar visualmente las tablas y editar más fácilmente el código SQL. "Herramientas de base de datos" explica cómo conectar una herramienta de base de datos a un RDBMS.
- Otros lenguajes de programación
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SQL puede escribirse dentro de muchos otros lenguajes de programación. Este capítulo se centra en dos en particular: Python y R. Son populares lenguajes de programación de código abierto utilizados por científicos y analistas de datos, que a menudo también necesitan escribir código SQL.
En lugar de ir y venir entre Python/R y un RDBMS, puedes conectar Python/R directamente a un RDBMS y escribir ...
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