kdb+

Get to know the world’s fastest time series database.

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Introducing kdb+

  • kdb+ is a high-performance analytics database optimized for real-time and historical data
  • Independently benchmarked* as the fastest in-memory, columnar analytics database available, kdb+ enables enterprises to analyze billions of live events and trillions of historical records while reducing hardware costs
  • kdb+ provides data scientists and developers with a centralized, high-performance solution for time series analytics, improving decision-making and efficiency in rapidly changing data environments

*Independently benchmarked by STAC Research

Features

Speed and scalability

Meets your largest data needs in the most demanding environments.

Multiple languages

Supports our native language q, as well as Python, Java, C#, C++, Rust, R, and open-source libraries.

Faster decision-making

Excels at processing both historical and real-time data, enabling rapid, informed decisions.

Cost-effective

Achieves lower TCO with a solution optimized for data storage, performance, and time-series workloads.

Optimize query speed

Columnar design delivers greater speed and efficiency than typical relational databases.

Computationally efficient

Small memory footprint exploits L1/L2 CPU caches up to 100x faster than RAM.

Fast and flexible

Built-in functions for handling time series information provide speed and simplicity when working with data.

Parallel processing

In-memory compute automatically distributes database operations across CPU cores.

Time-series optimized

Time-series optimized with temporal datatypes including nanosecond precision timestamps.

Related content

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Products

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kdb Insights Portfolio

Businesses lose a competitive edge due to slow analytics, spend more because of high infrastructure costs, and forego efficiency because of increasing data volumes. kdb Insights helps you make intelligent decisions no matter how much data you have or how quickly it changes. 

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KDB.AI

KDB.AI is a powerful vector database that allows you to build scalable, reliable AI applications using real-time data. Build Generative AI applications with advanced search, recommendation, and personalization capabilities.

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Additional features

Enhance your kdb+ experience with these additional features.

PyKX

PyKX seamlessly integrates Python with kdb+, allowing developers to harness the speed and efficiency for enhanced analytic capabilities and accelerated development to unlock the full potential of kdb+ in your workflows.

Proven in the toughest data environments, leading global investment banks and data-driven businesses worldwide, kdb+ is ready for your Python time series, machine learning, and AI demands.

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Ready to get hands on?

Get certified in kdb+

Our courses, aimed at beginners and experienced developers, cover the practical usage of kdb+.

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KX Academy

Advance your kdb+ learning journey with free, interactive, on-demand training.

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KX Community

Connect with experts and get to grips with our world-leading real-time data analytics technology.

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Accelerate your journey to AI-driven innovation with a tailored KX demo.

Our team can help you to:

  • Designed for streaming, real-time, and historical data
  • Enterprise scale, resilience, integration, and analytics
  • An extensive suite of developer language integrations

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A verified G2 leader for time-series

Recognized by G2 as a ‘Momentum Leader’ for time series databases, and stream analytics, as ‘Leader’ for time series Intelligence, and as ‘High Performer’ for columnar databases—KX is driving innovation in real-time data analytics.

KX G2 Badge Momentum Leader Winter 2025
KX G2 Badge High Performer Winter 2025
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