Aircraft
Automotive
Railway
Energy
Medical
What are you developing for?
eXtremeDB databases can be all-in-memory, all-persistent, or have a mix of in-memory tables and persistent tables with a simple database schema.
Hard Real-time Systems
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High Performance Computing
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Complete Edge to Cloud Systems
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Aircraft
Automotive
Railway
Energy
Medical
A DBMS that is optimized to be an in-memory database can be hundreds of times faster than an in-memory database that merely substitutes RAM for persistent media as the storage medium.
The eXtremeDB in-memory database management system – designed specifically for embedded systems.
What sets the eXtremeDB
IMDS apart?
An in-memory foundation
The initial design choice affects the fundamental optimization strategies that will be baked into the code, so being in-memory from the start makes eXtremeDB smaller and faster than alternatives that have later added an in-memory option.
A hard real-time option
eXtremeDB/rt is the first and only deterministic embedded database management system for mission- and safety-critical hard real-time applications.
Row & column layout
eXtremeDB enables database designs that easily combine row-based and column-based layouts for time series data using a simple schema. This allows for the Pipelining of built-in mathematical functions
Flexible hybrid storage
Ultra-flexible eXtremeDB enables the developer to easily combine both database paradigms – in-memory and on-disk – in a single database instance.
Ultra-flexible future growth
eXtremeDB runs on the device, gateway and server, leveraging staff skills to cut development time. It’s also platform independent, and offers native and SQL APIs for C/C++, Java, C#, Python
More features to choose from
Created to be a powerful tool for the developer, eXtremeDB offers more features than any other database management system for unmatched flexibility.
Standard features to optimize embedded and HPC systems.
Small
The IMDS is an ideal way to reduce memory consumption in embedded systems. eXtremeDB also minimizes stack and more.
Fast
eXtremeDB offers a competitive advantage in trading system design, risk, order book and other financial systems via groundbreaking speed as confirmed by audited STAC-M3 benchmarks and other tests.
Secure
eXtremeDB offers built-in data management security at rest and in transit.
Reliable
eXtremeDB offers a full suite of features to maximize reliability including ACID-compliant transactions, a type-safe API, advanced debugging and corruption prevention tools and more.
Support for market data
Built-in feed handlers and support for time series data (e.g. market tick data) stored in a columnar format maximizes the flow of relevant data into CPU cache, for unparalleled execution speed of complex algorithms.
Scalable low-latency processing
Easily shard (distribute) data to leverage multiple cores, CPUs and/or servers, while isolating client applications from the complexity with eXtremeDB’s distributed query engine which presents a distributed database as a single contiguous whole and allows for 99.999% uptime high availability.
Stop here Boss
Read a white paper about Pipelining
Review the Pipelining datasheet
Watch a video about Pipelining
- Developed for Embedded Systems
- Features that make eXtremeDB reliable
- Features that reduce code size
- More features & Markets
- Research & References
Why your mission-critical application needs a real-time database management system, Logic.nl January 4, 2022
Bulleted list with 1 sentence and link to page.
Bulleted list with 1 sentence and link to page.
eXtremeDB delivers the technical features and proven track record required for Aerospace and Defense embedded software. It maximizes uptime and slashes time-to-market.
eXtremeDB supports both in-memory and on-disk data management for the maximum speed and predictability demanded by industrial systems.
We at McObject are a dedicated group of DBMS specialists, and we hope you find our extensive research and information about database management systems as interesting as we do.
![]() |
Review one of our hundreds of articles or white papers |
eXtremeDB offers reliability, development efficiency, and the flexibility to cost-effectively add on new application features in the future.”
-Genband (Now Ribbon)
Small

Designed for use in resource-constrained, mission-critical and safety-critical embedded systems
From inception, eXtremeDB’s resilient and optimized storage capabilities uniquely qualified it to fuel database management for safety-critical and resource-constrained embedded applications, and offers a unique combination of features that are not found in any other database system.
For Professional Developers
Tailor-made for professional developers
C/C++, SQL, Java, C# APIs, a wide range of supported data types, and multiple database indexes to name a few. Small code, developer flexiblity and reliable enough to be used in everything from military helicopters to power plants
Bulleted list with 1 sentence and link to page.
eXtremeDB delivers the technical features and proven track record required for Aerospace and Defense embedded software. It maximizes uptime and slashes time-to-market.
eXtremeDB supports both in-memory and on-disk data management for the maximum speed and predictability demanded by industrial systems.
We at McObject are a dedicated group of DBMS specialists, and we hope you find our extensive research and information about database management systems as interesting as we do.
![]() |
Review one of our hundreds of articles or white papers |
eXtremeDB offers reliability, development efficiency, and the flexibility to cost-effectively add on new application features in the future.”
-Genband (Now Ribbon)

McObject and Siemens Embedded Announce Immediate Availability of eXtremeDB/rt for Nucleus RTOS
ODBMS.org, February 23, 2022

“Embedded Executive: Steve Graves, President and CEO, McObject” EmbeddedComputing.com, January, 2022 An interview reviewing key concepts in real-time computing.

Why your mission-critical application needs a real-time database management system, Logic.nl
January 4, 2022

“McObject Announces Availability of eXtremeDB/rt for Microsoft Azure RTOS ThreadX” Electronic Engineering Journal November 11, 2021

“McObject Collaborates with Wind River to Deliver the First-Ever Deterministic Database Systems for VxWorks-based Real-time Embedded Systems” COTS Journal, October, 2021 Please find us on page 8.

“Databases in Hard Real Time” McObject Launches True Real-Time Deterministic Database for embOS Real-time Operating System Applications, Wilmott.com,
October 15, 2021

“On eXtremeDB/rt. Q&A with Steven Graves, Real-time analytics has nothing to do with real-time systems.” By Roberto Zicari ODBMS.org,
October 7, 2021.

“Keeping A Mission-Critical Deterministic DBMS On Time” by McObject CTO Andrei Gorine EmbeddedComputing.com,
September 20, 2021

“Real time tasks need real time data” Read the Wind River blog, September 7, 2021

McObject and Siemens Embedded Announce Immediate Availability of eXtremeDB/rt for Nucleus RTOS
ODBMS.org, February 23, 2022

“Embedded Executive: Steve Graves, President and CEO, McObject” EmbeddedComputing.com, January, 2022 An interview reviewing key concepts in real-time computing.

Why your mission-critical application needs a real-time database management system, Logic.nl
January 4, 2022

“McObject Announces Availability of eXtremeDB/rt for Microsoft Azure RTOS ThreadX” Electronic Engineering Journal November 11, 2021

“McObject Collaborates with Wind River to Deliver the First-Ever Deterministic Database Systems for VxWorks-based Real-time Embedded Systems” COTS Journal, October, 2021 Please find us on page 8.

“Databases in Hard Real Time” McObject Launches True Real-Time Deterministic Database for embOS Real-time Operating System Applications, Wilmott.com,
October 15, 2021

“On eXtremeDB/rt. Q&A with Steven Graves, Real-time analytics has nothing to do with real-time systems.” By Roberto Zicari ODBMS.org,
October 7, 2021.

“Keeping A Mission-Critical Deterministic DBMS On Time” by McObject CTO Andrei Gorine EmbeddedComputing.com,
September 20, 2021

“Real time tasks need real time data” Read the Wind River blog, September 7, 2021