Category: Intermediate (200)

Amazon Aurora is a relational database management system (RDBMS) built for the cloud with full MySQL and PostgreSQL compatibility. Aurora is designed to take advantage of the cloud in areas of scalability, availability, and durability, as well as combine the speed and reliability of high-end commercial databases with the simplicity and cost-effectiveness of open-source databases. […]

Today marks the one-year anniversary of the launch of Amazon MemoryDB for Redis. On 8/19/2021, AWS announced the general availability of Amazon MemoryDB for Redis, a fully managed, Redis-compatible database, that delivers both in-memory performance and Multi-AZ durability. Over the past year, thousands of customers have adopted MemoryDB as their primary database for critical workloads […]

February, 2025: As of November 1, 2024, Amazon DynamoDB has reduced its pricing, offering a 50% reduction for on-demand throughput. These post was updated to reflect this change. For complete details about these pricing changes, visit New – Amazon DynamoDB lowers pricing for on-demand throughput and global tables. Today we’re launching new functionality that makes […]

This is a guest post by Alex DeBrie, an AWS Hero. For people learning about Amazon DynamoDB, the idea of single-table design is one of the most mind-bending concepts out there. Rather than the relational notion of having a table per entity, DynamoDB tables often include multiple different entities in a single table. You can […]

Amazon DocumentDB (with MongoDB compatibility) is a scalable, highly durable, and fully managed database service for operating mission-critical MongoDB workloads without having to worry about managing the underlying infrastructure. As a document database, Amazon DocumentDB makes it easy to store, query, and index JSON data. Amazon DocumentDB has added support for auditing Data Manipulation Language […]

Public blockchains are used for a variety of use cases, like decentralized finance (DeFi) apps, non-fungible token (NFT) apps, or cross-border payments. Blockchains differ in their protocol and consensus design, implementation language, and smart contract capabilities. Determining how external participants can be incentivized to join a network running their own node is key in economic […]

We are excited to announce the availability of AWS Database Migration Service (AWS DMS) replication engine version 3.4.7. This version provides improvements covering security, performance, and connectivity that were requested by many of our customers. In this post, we highlight a few key features. For the entire list of improvements, refer to AWS DMS release […]

Amazon Neptune is purpose-built to store and navigate relationships. This provides advantages over relational databases for use cases like social networking, recommendation engines, and fraud detection, where you need to create relationships between data and quickly query these relationships. At AWS, security is Job Zero. Neptune offers several security features, including network isolation, encryption, and […]

Today, Amazon Neptune announced the general availability of Amazon Neptune Global Database. You can use Neptune Global Database to build graph applications across multiple AWS Regions using the same graph database. Neptune Global Database is available in the US East (N. Virginia), US East (Ohio), US West (N. California), US West (Oregon), Europe (Ireland), Europe […]

July 2023: This post was reviewed for accuracy. PostgreSQL supports block-based (physical) replication as well as the row-based (logical) replication. Physical replication is traditionally used to create read-only replicas of a primary instance, and utilized in both self-managed and managed deployments of PostgreSQL. Uses for physical read replicas can include high availability, disaster recovery, and […]