AWS Database Blog

It’s important to be aware of the case sensitivity of text data in PostgreSQL when performing queries or comparisons to ensure that the results match your intended expectations. Case also affects how the database performs sorting operations. By default, PostgreSQL is case sensitive when sorting or comparing string values. For example, PostgreSQL considers “amazon” and […]

Amazon Relational Database Service (Amazon RDS) Custom automates database administration tasks and operations. RDS Custom makes it possible for you as a database administrator to access and customize your database environment and operating system. With RDS Custom, you can customize to meet the requirements of legacy, custom, and packaged applications. One way to configure your […]

Over the past two years, public blockchain adoption has been driven by three primary use cases: decentralized finance (DeFi), which provides an open financial system built using smart contracts on public blockchains non-fungible tokens (NFTs) that certify ownership of digital assets and enable broad transferability of those digital assets digital currency payments that enable value […]

Microsoft SQL Server Integration Service (SSIS) provides a platform for users to create, extract, transform, and load workflows by connecting to various data sources like relational database management services, flat files, XML files, and more. Before loading into the destination system, users can copy, cleanse, and process the data. SSIS allows developers to create extract, […]

In this post, we show you how to set up cross-account logical replication using Amazon Aurora PostgreSQL-Compatible Edition. By leveraging Aurora’s cross-account clone and PostgreSQL logical replication, you can achieve near real-time synchronization between a source and a target database in different AWS accounts. You can customize the solution to meet specific requirements, including selective […]

Customers at times use proprietary database features like Microsoft SQL Server temporal tables or Oracle Flashback to store and query historical data from important tables or to record a change trail of contents. Temporal tables are a database feature that brings built-in support for providing information about data stored in the table at any point […]

In this post, we describe all the features that have been released as part of the recent 1.2.1.0 engine update to Amazon Neptune. Amazon Neptune is a fast, reliable, and fully managed graph database service for building and running applications with highly connected datasets, such as knowledge graphs, fraud graphs, identity graphs, and security graphs. […]

Builders in the blockchain space are often burdened with the undifferentiated heavy lifting involved in managing a resilient fleet of blockchain node clients to access one or more public blockchains. Configuring, provisioning, and maintaining a multitude of public blockchain nodes can be prohibitively resource intensive, both in infrastructure costs and in the human hours required […]

Amazon Aurora is a relational database service that combines the speed and availability of high-end commercial databases with the simplicity and cost-effectiveness of open-source databases. Aurora supports MySQL and PostgreSQL open-source database engines. Aurora storage consists of a shared cluster storage architecture that makes it highly available, durable, scalable, and performant by design. As of […]

In Amazon Relational Database Service (Amazon RDS), Multi-AZ deployments can have one or two standby DB instances. A Multi-AZ DB instance deployment has a single standby DB instance that provides failover support, but doesn’t serve read traffic. When the deployment has two readable standby DB instances, it’s called a Multi-AZ DB cluster deployment. A Multi-AZ […]