AWS Database Blog
Category: Amazon RDS
Best practices for upgrading Amazon RDS for Oracle DB instances from 12c to 19c
Amazon Relational Database Service (Amazon RDS) for Oracle provides newer versions of databases as they are introduced by Oracle so you can keep your DB instances up to date. These versions can include bug fixes, security enhancements, and other improvements. When Amazon RDS for Oracle supports a new version, you can choose how and when […]
Improve query performance with parallel queries in Amazon RDS for PostgreSQL and Amazon Aurora PostgreSQL-Compatible Edition
Septemeber 2025: : This post was reviewed for accuracy. Parallel queries in PostgreSQL have the ability to use more than one CPU core per query. In parallel queries the optimizer breaks down the query tasks into smaller parts and spreads each task across multiple CPU cores. Each core can process the tasks at the same […]
Vehicle routing optimization with Amazon Aurora PostgreSQL-Compatible Edition
Vehicle route planning with the goals of meeting customer satisfaction expectations, reducing fuel consumption, and reducing emissions can be challenging. The vehicle routing problem (VRP) goal is to find optimal routes for multiple vehicles visiting multiple locations to fulfill business-specific constraints such as cost and time. The VRP has various use cases in industries such […]
Improve performance and manageability of large PostgreSQL tables by migrating to partitioned tables on Amazon Aurora and Amazon RDS
Amazon Aurora PostgreSQL-Compatible Edition and Amazon Relational Database Service (Amazon RDS) for PostgreSQL are managed PostgreSQL solutions that make it easy to set up, operate, and scale a relational database in the cloud. They provide cost-efficient and resizable capacity while automating time-consuming administration tasks such as hardware provisioning, database setup, patching, and backups. As you […]
Upgrade Amazon RDS and Amazon Aurora PostgreSQL version 9.6
Amazon Relational Database Service (Amazon RDS) for PostgreSQL and Amazon Aurora PostgreSQL-Compatible Edition version 9.6 end of life is approaching. If you’re currently running PostgreSQL 9.6, you must upgrade your databases or AWS will automatically upgrade your RDS for PostgreSQL databases starting January 18, 2022, and Aurora PostgreSQL databases starting January 31, 2022. Unlike […]
Automate cross-account backups of Amazon RDS and Amazon Aurora databases with AWS Backup
Many organizations around the world, such as government agencies, financial institutions, and non-profits, are looking for ways to protect their valuable data from ransomware attacks and natural disasters. In addition, many businesses are required to maintain their data long term to meet regulatory compliance and business policies. In the cloud, a strategy we see customers […]
Build purpose-built database AMIs using Amazon EC2 Image Builder
Managing virtual machine images that you standardize through configuration, consistent security patching, and hardening (also called “golden images”) is a time-consuming task. System administrators and database administrators responsible for these tasks have to define the characteristics of these images (such as which software to pre-install, which versions to use, and which security configurations to apply). […]
Build and load test a multi-tenant SaaS database proxy solution with Amazon RDS Proxy
Many software as a service (SaaS) customers on AWS are familiar with multi-tenancy and tenant isolation. Indeed, customers using MySQL, for instance, may have adopted the bridge model of multi-tenancy, where each tenant has access to their own isolated database or schema. AWS provides many tools and best practices to get started, but achieving database […]
Tune sorting operations in PostgreSQL with work_mem
Sorting is one of the most fundamental operations in databases, and optimizing this process is vital to the performance of applications. Sorting involves arranging records in a database table into some meaningful order to make it easier to understand, analyze, and visualize the data. For example, you might want to sort orders by their delivery […]
Remove bloat from Amazon Aurora and RDS for PostgreSQL with pg_repack
Do you have a database where the size of relations on disk is larger than you expect? Did you observe this size increasing every time you ran several UPDATE and DELETE operations on the relations? Did you observe adverse effects on performance of the database as a result of this? This might be a result […]








