QuestDB
A time-series database with SQL, built for fast ingestion of market data, metrics and sensor readings. See how developers rate it month by month on DTDb.
- Category
- database engine
- Developer
- QuestDB
- Created by
- Vlad Ilyushchenko
- First release
- 2014
- License
- Apache-2.0
- Open source
- Yes
- Pricing
- Free with paid plans
- Website
- https://questdb.com
- Written in
- Java, C++, Rust
- Data model
- Time-series, Relational
- Storage layout
- Column-oriented
- Workload
- Analytics (OLAP)
- Analytics architecture
- Not an analytics platform
- Query language
- SQL
- ACID transactions
- No
- Schema
- Strict
- Deployment
- Server, Managed cloud
- Scaling
- Single node
- Create, read, update, delete
- Create: fast (Millions of rows a second over the line protocol); Read: fast (Time-partitioned columnar scans); Update: moderate (Updates rewrite column files); Delete: slow (Drop partitions, no row-level DELETE)