Microsoft previews MulticloudDB SDK: one Java API across Cosmos DB, DynamoDB and Spanner
adnan_hashmi · x · 2026-09-15
Microsoft's Azure team announced the public preview of the Multicloud DB SDK for Java, aimed at solving cross-cloud database portability in the coding-agent era.
Key points:
- Developers (or their coding agents) write CRUD and query logic once against a single Java API that works across Azure Cosmos DB, Amazon DynamoDB, and Google Cloud Spanner.
- Provider selection and connection settings live in configuration, eliminating the repeated work of learning multiple SDKs, translating queries, handling different errors, and testing across providers.
- The team demoed one application running unchanged on two providers at Azure Cosmos DB Conf 2026 on April 28, 2026.
- The SDK is in public preview with a roadmap toward general availability; repo, docs, and samples are available.
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