September 2024
Intermediate to advanced
514 pages
13h 29m
Spanish
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Capítulo 8. Transacciones
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Transacciones son grupos lógicos de procesamiento en una base de datos, y cada grupo o transacción puede contener una o más operaciones, como lecturas y/o escrituras en varios documentos. MongoDB admite transacciones compatibles con ACID en múltiples operaciones, colecciones, bases de datos, documentos y fragmentos. En este capítulo, presentamos las transacciones, definimos lo que significa ACID para una base de datos, destacamos cómo utilizarlas en tus aplicaciones y proporcionamos consejos para ajustar las transacciones en MongoDB. Cubriremos:
Qué es una transacción
Cómo utilizar las transacciones
Ajustar los límites de transacción a tu aplicación
Introducción a las Transacciones
Como ya hemos dicho, una transacción es una unidad lógica de procesamiento en una base de datos que incluye una o varias operaciones de base de datos, que pueden ser operaciones de lectura o escritura. Hay situaciones en las que tu aplicación puede requerir lecturas y escrituras en varios documentos (en una o varias colecciones) como parte de esta unidad lógica de procesamiento. Un aspecto importante de una transacción es que nunca se completa parcialmente: tiene éxito o fracasa.
Nota
En para poder utilizar las transacciones, tu implementación de MongoDB debe estar en la versión 4.2 o posterior de MongoDB y tus controladores de MongoDB deben estar actualizados para MongoDB ...
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