Introduction
QuestDB is a high-performance time-series database optimized for fast ingestion and SQL analytics.
It handles millions of rows per second with sub-millisecond queries, making it ideal for financial data, IoT, and real-time analytics.
About this documentation
This documentation covers both QuestDB Open Source and QuestDB Enterprise.
QuestDB Enterprise builds on top of QuestDB Open Source, using it as its core library. Everything in open source works in Enterprise, but not the other way around. Enterprise adds features like high availability, advanced security, and RBAC.
Sections specific to QuestDB Enterprise are marked with an Enterprise label.
Get started
- Quick start - Install and run QuestDB
- Ingest data - Bring your data using ILP clients or SQL
- Query data - Analyze with SQL
Guides
Schema design essentials
Design your tables, partitions, and data types for optimal performance.
Working with time
It's about time. Learn how to work with timestamps and timezones in QuestDB.
Backup and restore
Safety is key! See the methods to backup and restore your QuestDB deployment.
Resources
SQL overview
Learn about our powerful extended SQL and how to use it to query QuestDB.
Language clients
Explore our language clients and how to use them to ingest data into QuestDB.
Configuration
See all of our available configuration options and fine-tune to match your use case.
Third-Party Tools
Our recommended third-party tools can aid you in analyzing and visualizing your data.