AWS Database Blog

Category: Technical How-to

Query billion-scale vectors with SQL: Integrating Amazon S3 Vectors and Aurora PostgreSQL

In this post, you’ll learn how to query Amazon S3 Vectors from Amazon Aurora PostgreSQL-Compatible Edition using standard SQL, and how to combine vector similarity results with relational filters in a single query, for example, finding the most semantically similar products and then filtering by price, stock status, or tenant in one SQL statement.

Announcing aggregations on Amazon ElastiCache

Amazon ElastiCache now supports aggregation queries, so you can filter, group, transform, and summarize data directly in your cache with a single query. This post walks through the use cases that aggregations unlock, and shows how they work by building a faceted browsing engine using Amazon ElastiCache for Valkey.

Amazon Aurora DSQL for global-scale financial transactions

In this post, we first examine why traditional approaches to distributed consistency fall short for financial workloads. We then walk through how the Amazon Aurora DSQL architecture addresses these challenges, and apply it to three production use cases: core banking, global spend management, and digital currency infrastructure. We close with implementation considerations and how to get started with the Amazon Aurora DSQL Free Tier

Troubleshoot Amazon RDS for Oracle to Amazon Redshift DMS migrations with AWS DevOps Agent

In this post, we show how you can use AWS DevOps Agent to investigate, identify root causes of, and remediate common AWS DMS issues when migrating from Amazon RDS to Amazon Redshift. DevOps Agent is a Frontier agent that autonomously triages incidents 24/7, providing root cause analysis and recommended actions for resolution based on correlated metrics, logs, and application topology.

Timestream for InfluxDB 3 workload analysis and best practices

Selecting the right instance size for your Amazon Timestream for InfluxDB 3 deployment is one of the most impactful decisions you’ll make when architecting your time series infrastructure. An undersized instance can lead to degraded query performance and ingestion bottlenecks, while an oversized instance means paying for unused capacity. In this blog post we will […]

Building agentic AI for Amazon RDS for SQL Server with Strands and AgentCore

In this post, we walk through building an agent that investigates blocking and deadlocks on Amazon RDS for SQL Server — two issues that directly impact application performance, cause transaction failures, and lead to user-facing timeouts. Using the Strands Agents framework, we convert the T-SQL queries DBAs already use for these investigations into agent tools, combine them into a single agent, and deploy it to AgentCore Runtime.