September 2024
Intermediate to advanced
514 pages
13h 29m
Spanish
Content preview from MongoDB: La Guía Definitiva, 3ª EdiciónBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Capítulo 1. Introducción Introducción
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MongoDB es una base de datos de propósito general potente, flexible y escalable. Combina la capacidad de ampliación con características como índices secundarios, consultas de rango, ordenación, agregaciones e índices geoespaciales. Este capítulo cubre las principales decisiones de diseño que han hecho de MongoDB lo que es.
Facilidad de uso
MongoDB es una base de datos orientada a documentos, no relacional. La razón principal para alejarse del modelo relacional es facilitar el escalado, pero también hay otras ventajas.
Una base de datos orientada a documentos sustituye el concepto de "fila" por un modelo más flexible, el "documento". Al permitir documentos y matrices incrustados, el enfoque orientado a documentos hace posible representar relaciones jerárquicas complejas con un único registro. Esto encaja de forma natural en la forma en que los desarrolladores de lenguajes modernos orientados a objetos piensan sobre sus datos.
Tampoco hay esquemas predefinidos: las claves y valores de un documento no son de tipos o tamaños fijos. Sin un esquema fijo, es más fácil añadir o eliminar campos según las necesidades. En general, esto hace que el desarrollo sea más rápido, ya que los desarrolladores pueden iterar rápidamente. También es más fácil experimentar. Los desarrolladores pueden probar docenas de modelos para los datos y luego elegir ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.