NoSQL databases

Amazon DynamoDB Streams now supports timestamp-based stream processing

Amazon DynamoDB Streams now supports timestamp-based stream processing, enabling you to begin reading stream records from a specific point in time.

Firestore with MongoDB compatibility now supports QueryData, which you can use to build data agents that interact with the data in your database using…

Firestore with MongoDB compatibility now supports QueryData, which you can use to build data agents that interact with the data in your database using conversational language. For more information, see QueryData overview.

Amazon DynamoDB introduces filtered export to Amazon S3

Amazon DynamoDB now supports filtered export for tables. Export to Amazon S3 allows you to export your table data for analytics, data sharing, and other offline uses, as either a full export or an incremental export over a time window.

Amazon DynamoDB Accelerator (DAX) is now available in additional Regions

Today, AWS announces the availability of Amazon DynamoDB Accelerator (DAX) in 17 additional AWS Regions: Asia Pacific (Hong Kong), Asia Pacific (Hyderabad), Asia Pacific (Jakarta), Asia Pacific (Malaysia), Asia Pacific (Melbourne), Asia Pacific (New Zealand), Asia Pacific…

Amazon DynamoDB global tables with multi-Region strong consistency now supports additional AWS Regions and cross-continent configurations

Starting today, Amazon DynamoDB global tables with multi-Region strong consistency (MRSC) is available in five additional AWS Regions: Canada (Central), Europe (Stockholm), Europe (Spain), Asia Pacific (Mumbai), and Asia Pacific (Singapore), bringing the total number of…

The Security Rules simulator is now available in the Google Cloud console for Firestore (Standard and Enterprise editions).

You can test draft security rules against simulated database requests and evaluate authentication tokens before deploying rules.

Amazon DynamoDB Streams now supports attribute-based access control

Amazon DynamoDB Streams now supports attribute-based access control (ABAC), enabling you to use tag-based conditions in your Identity and Access Management (IAM) policies to control access to your data streams.

Amazon DynamoDB now supports real-time vector search

Today, AWS announces the general availability of vector search for Amazon DynamoDB, a new feature to index and search vectors in real time.

Retirement: Azure Synapse Link for Azure Cosmos DB NoSQL

As of March 31, 2026, new Azure Cosmos DB NoSQL accounts can no longer enable Azure Synapse Link. Existing customers will remain fully supported until March 31, 2029, when Azure Synapse Link will reach end of life.

Generally Available: Azure Cosmos DB Linux emulator (vNext)

We are announcing the general availability of the Azure Cosmos DB Linux emulator (vNext), a cross-platform, Docker-based emulator for local development and testing against Azure Cosmos DB for NoSQL.

Public Preview: OmniVec, an open-source embedding toolkit for Azure

You can now automate embedding generation from multiple data sources into Azure Cosmos DB and other Azure destinations. Building AI applications often requires stitching together data extraction, embedding generation, and writing to vector databases into a custom pipeline.

Public Preview: Integrated embeddings for Azure Cosmos DB for NoSQL

Building AI applications on Azure Cosmos DB just got simpler. With integrated embeddings, now in public preview, Azure Cosmos DB for NoSQL can automatically generate and maintain embeddings for your data, without the need to build a separate pipeline.

Public Preview: Azure Backup for Cosmos DB

You can now enable vaulted backups for Azure Cosmos DB accounts, protecting mission-critical data with secure, isolated, and resilient backups.

Public Preview: Safe key rotation for Azure Cosmos DB

The safe key rotation feature helps you confidently rotate your Azure Cosmos DB account keys by providing visibility into when each key was last used.

Public Preview: Agent Memory Toolkit for Azure Cosmos DB

You can now accelerate the development of agentic applications with the new Agent Memory Toolkit for Azure Cosmos DB.

Public Preview: Semantic reranker in Azure Cosmos DB

You can now improve the relevance of any Cosmos DB query or search with the public preview of semantic reranker in Azure Cosmos DB.

Public Preview: Agentic Retrieval Toolkit for Azure Cosmos DB

We are announcing the public preview of the Agentic Retrieval Toolkit for Azure Cosmos DB. Motivated by GraphRAG and multiple-hop reasoning problems, this new capability helps you build advanced retrieval-augmented generation (RAG) applications that go beyond single-pass…

Generally Available: Azure Cosmos DB global secondary indexes

Global secondary indexes (GSIs) for Azure Cosmos DB are now generally available, giving you a powerful way to accelerate query performance without adding complexity to your application code.

Generally Available: Azure Cosmos DB all versions and deletes change feed mode

The Azure Cosmos DB all versions and deletes change feed mode is now generally available, giving you complete visibility into every change that happens in your containers.

Public Preview: New Azure Cosmos DB cost estimator

Plan your Azure Cosmos DB deployment with confidence. The Azure Cosmos DB cost estimator is now in public preview, giving you a fast, accurate way to model throughput, storage, regions, and capacity mode before you provision a single account.