The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.

StoneDB is an Open-Source MySQL HTAP and MySQL-Native DataBase for OLTP, Real-Time Analytics, a counterpart of MySQLHeatWave. (https://stonedb.io)

Papers for database systems powered by artificial intelligence (machine learning for database)

A high-performance storage engine for modern hardware and platforms.

HyperLogLog with lots of sugar (Sparse, LogLog-Beta bias correction and TailCut space reduction) brought to you by Axiom

📚 A collection of work related to Database Optimization.

🌩 Self-hosted file management and sharing system, supports multiple storage providers

One Warehouse for Analytics, Search, AI. Snowflake + Elasticsearch + Vector DB — rebuilt from scratch. Unified architecture on your S3.

An educational OLAP database system.

A composable and fully extensible C++ execution engine library for data management systems.

PolarDB-X is a cloud native distributed SQL Database designed for high concurrency, massive storage, complex querying scenarios.

A high-performance observability data pipeline.

The lightweight, fault-tolerant database built on SQLite. Designed to keep your data highly available with minimal effort.

DatenLord, Computing Defined Storage, an application-orientated, cloud-native distributed storage system

What are the differences between the transaction isolation levels in databases? This is a suite of test cases which differentiate isolation levels.