Category: Technical How-to

Organizations are usually required by regulations or law to maintain database audit logs to demonstrate compliance for various data privacy and regulatory obligations. For example, the PCI-DSS framework requires financial organizations to keep audit logs for data security and adherence. In this post, we show how to effectively and efficiently set up audits in Amazon […]

With the AWS Command Line Interface (AWS CLI) for Amazon Relational Database Service (Amazon RDS) and Amazon Aurora, you can use shell commands to create, modify, delete, and generate reports for many kinds of objects, such as database instances, Aurora clusters, parameter groups, and so on. In this post, we show how to use the […]

You can use the managed database offerings in the Amazon Relational Database Service (Amazon RDS) portfolio to remove much of the undifferentiated heavy lifting from day-to-day activities. With Amazon RDS for Oracle, you can significantly reduce the administrative overhead of managing and maintaining an Oracle database. Oracle Automatic Workload Repository (AWR) provides a comprehensive view […]

AWS Database Migration Service (AWS DMS) allows you to tackle the complex task of migrating both homogenous and heterogeneous database engines. As businesses evolve, the need to adopt the most suitable database engines for their unique requirements arises. This often leads to the coexistence of various database systems, presenting challenges when it comes to seamless […]

Amazon Relational Database Service (Amazon RDS) Custom for Oracle is a managed database service for applications that require customization of the underlying operating system and database environment. It provides the benefits of RDS automation with the elevated access needed for legacy, packaged, and custom applications. With Amazon RDS Custom for Oracle, you have the freedom […]

Businesses such as Paxos that issue stablecoin USD tokens want to find a way to identify common token metrics such as top holders, daily active users, daily volume, total number of holders, latest transfers, top Decentralized Finance (DeFi) protocols the tokens have been used on, and more. With Amazon Managed Blockchain (AMB) Query and Amazon […]

April 2025: This post was reviewed for accuracy. Amazon DocumentDB (with MongoDB compatibility) is a fully managed native JSON document database that makes it easy and cost effective to operate critical document workloads at virtually any scale without managing infrastructure. Amazon DocumentDB simplifies your architecture by providing built-in security best practices, continuous backups, and native […]

Many AWS customers are starting to modernize architectures and move toward open-source databases. Babelfish for Aurora PostgreSQL makes it easier to migrate applications from SQL Server to Amazon Aurora PostgreSQL-Compatible Edition. With Babelfish, Aurora PostgreSQL-Compatible supports commonly used T-SQL language and semantics, which reduces the amount of code changes related to database calls in an […]

Amazon DynamoDB is a fully managed NoSQL database that provides fast and predictable performance with seamless scalability. Customers across multiple industries utilize DynamoDB as their database of choice. Numerous education technology (EdTech) companies utilize DynamoDB as a persistent data store to track students’ exam scores and course progress. As students advance through various grades, their […]

In this post, we walk through an example for creating an active-active replication setup between two RDS for PostgreSQL instances. We also show how to monitor replication lag between instances, and review how to detect and resolve conflicts. Finally, we discuss strategies to design applications to work with pgactive.