AWS Database Blog
Category: Expert (400)
How to handle AWS DMS replication when used with Oracle database in fail-over scenarios
AWS Database Migration Service (AWS DMS) is used for migrating databases to AWS, but you can also use it for replicating data with low latency from any supported source to any supported target. When working with Oracle database, AWS DMS stops replicating data changes due to reset logs when the standby database is transitioned to […]
Enable Kerberos authentication with Amazon RDS Custom for Oracle – Part 2
End of support notice: On March 31, 2027, AWS will end support for Amazon RDS Custom for Oracle. Existing customers can continue using the service until March 31, 2027. After March 31, 2027, you will no longer be able to access RDS Custom for Oracle resources including database instances, snapshots, and custom engine versions. We […]
Generate an AWS SCT multiserver assessment report using the AWS SCT CLI
The AWS Schema Conversion Tool (AWS SCT) makes heterogeneous database migrations predictable by automatically converting the source database schema and a majority of the database code objects, including views, stored procedures, and functions, to a format compatible with the target database. An important part of the AWS SCT is the assessment reports to help you […]
Enable Kerberos authentication with Amazon RDS Custom for Oracle – Part 1
End of support notice: On March 31, 2027, AWS will end support for Amazon RDS Custom for Oracle. Existing customers can continue using the service until March 31, 2027. After March 31, 2027, you will no longer be able to access RDS Custom for Oracle resources including database instances, snapshots, and custom engine versions. We […]
Build Oracle Enterprise Manager with a repository in an Amazon RDS Custom for Oracle database
End of support notice: On March 31, 2027, AWS will end support for Amazon RDS Custom for Oracle. Existing customers can continue using the service until March 31, 2027. After March 31, 2027, you will no longer be able to access RDS Custom for Oracle resources including database instances, snapshots, and custom engine versions. We […]
Modeling a scalable fantasy football database with Amazon DynamoDB
Today’s online games generate more data than ever and have request rates that reach millions per second. For these data-intensive games, it’s important for developers to select a database that delivers consistent low latency at any scale and has throughput elasticity to accommodate spikes in traffic without costly overprovisioning during low activity periods. This is […]
Build high availability for Amazon RDS Custom for Oracle using read replicas
Note: Amazon RDS Custom for Oracle now supports Multi-AZ deployment starting July 1st, 2025. For details, refer to the What’s New post and RDS Custom for Oracle User Guide for Multi-AZ deployment. A high availability solution for the database stack is an important aspect to consider when migrating or deploying Oracle databases in the AWS […]
Build a CQRS event store with Amazon DynamoDB
The command query responsibility segregation (CQRS) pattern, derived from the principle of command-query separation, has been popularized by the domain-driven design community. CQRS architectures that use event sourcing save generated events in an append-only log called an event store. By using event sourcing, you can, among other benefits: Design applications to update a database and […]
Modernize legacy databases using event sourcing and CQRS with AWS DMS
When moving from monoliths to microservices, you often need to propagate the same data from the monolith into multiple downstream data stores. These include purpose-built databases serving microservices as part of a decomposition project, Amazon Simple Storage Service (Amazon S3) for hydrating a data lake, or as part of a long-running command query responsibility segregation […]
Reduce database patching downtime in Amazon RDS Custom for Oracle using Oracle Data Guard Standby-First Patch Apply
End of support notice: On March 31, 2027, AWS will end support for Amazon RDS Custom for Oracle. Existing customers can continue using the service until March 31, 2027. After March 31, 2027, you will no longer be able to access RDS Custom for Oracle resources including database instances, snapshots, and custom engine versions. We […]









