Databases for ML feature store

An incremental SQL engine grounded in DBSP theory that updates any SQL query from changes only.

A Postgres-compatible operational data warehouse that keeps SQL views incrementally up to date.

Databricks' serverless Postgres built on Neon tech, with branching and sync to Delta tables in Unity Catalog.

C++ rewrite of Cassandra with shard-per-core design; also speaks the DynamoDB API.

Flash-optimized distributed key-value and document database for predictable sub-millisecond latency at scale.

Google's managed wide-column store, the original Bigtable, with HBase API and SQL access.

Embedded, serverless retrieval database on the Lance columnar format for multimodal AI data.

MySQL-compatible SQL database you can branch, diff, merge and clone like a Git repository.

An Apache-licensed, Postgres-compatible streaming database that stores state on S3 and writes Iceberg.

Version-controlled SQL database with PostgreSQL compatibility: branch, diff and merge your tables.

Activeloop's tensor-native data engine for AI: vectors, multimodal data and versioning on object storage.