QuestDB
Real-time analytics on time series and event data
Pricing
Free tier
Flat rate
Adoption
↗RisingLicense
Open Source
Data freshness
Verified · Jul 16, 2026Overview
What is QuestDB?
QuestDB is a relational column-oriented database designed for real-time analytics on time series and event data, offering high performance and scalability.
Key differentiator
“QuestDB stands out as a high-performance, column-oriented database optimized for real-time analytics on time series and event data.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Primary development and integration are centered around Java, with limited official SDKs for other languages.
Setting up QuestDB for high availability and disaster recovery requires significant configuration and understanding of underlying components.
When dealing with highly complex SQL queries involving multiple joins or large datasets, performance can suffer significantly compared to simpler operations.
The ecosystem around QuestDB is not as rich as more established databases like PostgreSQL or MySQL, limiting the availability of plugins and community support.
Fit analysis
Who is it for?
✓ Best for
Teams needing real-time analytics on time series data
Projects that require efficient SQL query performance with real-time updates
✕ Not a fit for
Applications requiring complex graph database operations
Use cases where row-oriented databases are more suitable due to frequent write operations
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Next step
Get Started with QuestDB
Step-by-step setup guide with code examples and common gotchas.