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En esta sección, se describe cómo configurar tu base de datos de Oracle de origen para que Datastream pueda extraer datos de ella. Datastream puede extraer cambios de datos desde bases de datos de Oracle locales o alojadas en la nube, incluido el servicio de base de datos relacional (RDS) de Oracle.
Datastream puede usar los siguientes métodos para consultar archivos de registro de rehacer:
Lector de registros binarios (Versión preliminar): Selecciona este método si necesitas consultar archivos de registro de rehacer en línea y archivados. El lector de objetos binarios puede acceder a los archivos de registro con la Administración automática de almacenamiento (ASM) o los objetos del directorio de la base de datos. Este método es multiproceso y admite CDC de baja latencia.
API de LogMiner: Selecciona este método si solo necesitas trabajar con archivos de registro de rehacer archivados. Oracle LogMiner es de un solo subproceso y puede estar sujeto a una latencia más alta y una menor capacidad de procesamiento. Sin embargo, este método admite la mayoría de los tipos de datos y las funciones de la base de datos de Oracle.
[[["Fácil de comprender","easyToUnderstand","thumb-up"],["Resolvió mi problema","solvedMyProblem","thumb-up"],["Otro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Información o código de muestra incorrectos","incorrectInformationOrSampleCode","thumb-down"],["Faltan la información o los ejemplos que necesito","missingTheInformationSamplesINeed","thumb-down"],["Problema de traducción","translationIssue","thumb-down"],["Otro","otherDown","thumb-down"]],["Última actualización: 2025-09-04 (UTC)"],[[["\u003cp\u003eDatastream extracts data changes from on-premises or cloud-hosted Oracle databases, including Oracle RDS.\u003c/p\u003e\n"],["\u003cp\u003eDatastream can utilize either a binary log reader or the LogMiner API to query redo log files, each with different capabilities and performance characteristics.\u003c/p\u003e\n"],["\u003cp\u003eThe binary log reader method is recommended for querying both online and archived redo log files, offering multithreaded processing and low-latency CDC.\u003c/p\u003e\n"],["\u003cp\u003eThe LogMiner API is suitable for working solely with archived redo log files, supporting most data types and Oracle database features, but with potentially higher latency.\u003c/p\u003e\n"],["\u003cp\u003eDatastream supports Amazon RDS for Oracle, self-managed Oracle databases, and self-hosted Oracle pluggable databases.\u003c/p\u003e\n"]]],[],null,["# Configure a source Oracle database\n\nThis section describes how to configure your source Oracle database so that Datastream can pull data from it. Datastream can pull changes to data from on-premises or cloud-hosted Oracle databases, including Oracle relational database service (RDS).\n\nDatastream can use the following methods to query redo log files:\n\n- **Binary log reader** ([Preview](/products#product-launch-stages)): select this method if you need to query both online and archived redo log files. Binary reader can access the log files using Automatic Storage Management (ASM) or database directory objects. This method is multithreaded and supports low-latency CDC.\n\n- **LogMiner API**: select this method if you only need to work with archived redo log files. The Oracle LogMiner is single-threaded and can be subject to higher latency and lower throughput. However, this method supports most data types and Oracle database features.\n\n For more information about these methods, see\n [Overview of Oracle as a source](/datastream/docs/sources-oracle#behavior)\n and [Work with Oracle database redo log files](/datastream/docs/work-with-oracle-database-redo-log-files).\n For information about how to configure your database type for each of these\n methods, see the respective configuration pages.\n\nSupported databases\n-------------------\n\nDatastream works with the following types of Oracle databases:\n\n- Amazon RDS for Oracle\n- Self-managed Oracle database\n- Self-hosted Oracle pluggable database\n\nWhat's next\n-----------\n\n- Learn how to configure an [Amazon RDS for Oracle](/datastream/docs/configure-amazon-rds-oracle) database to work with Datastream.\n- Learn how to configure a [self-managed Oracle database](/datastream/docs/configure-self-managed-oracle) to work with Datastream.\n- Learn how to configure a [self-hosted Oracle pluggable database](/datastream/docs/configure-pluggable-oracle) to work with Datastream."]]