whichdb
vs

eXtremeDB vs Raima Database Manager

eXtremeDB: Embedded in-memory and hybrid database for devices, real-time systems and time-series analytics. Raima Database Manager: Small-footprint embedded database with SQL and network-model APIs for RTOS, edge and safety-certified devices.

key differences

  • eXtremeDB is primarily a key-value database; Raima Database Manager is relational.
  • eXtremeDB is built for larger datasets (≤ 10 TB) than Raima Database Manager (≤ 100 GB).
  • Horizontal scaling is native in eXtremeDB and none in Raima Database Manager.
  • Only eXtremeDB has vector search, geospatial, columnar storage, compression, role-based access.

choose extremedb for

  • +Embedded databases in network equipment
  • +Avionics and defence systems
  • +Industrial controllers and edge gateways
  • +In-process market data analytics

best at · Embedded, Edge, Time-series

choose raima-database-manager for

  • +Avionics and defence embedded systems
  • +Telecom network equipment
  • +Industrial controllers and medical devices
  • +Automotive ECUs on AUTOSAR

best at · Embedded, IoT, Edge

eXtremeDBEmbedded in-memory and hybrid database for devices, real-time systems and time-series analytics.
Raima Database ManagerSmall-footprint embedded database with SQL and network-model APIs for RTOS, edge and safety-certified devices.
overview
Primary model
Key-Value
Relational
Also supports
Relational, Time-Series, Columnar / OLAP, Vector
Network / Navigational
Type
Embedded library
Embedded library
Status
Active
Active
Developer
McObject
Raima Inc.
First release
2001
1984
Latest version
9.0 (Jul 15, 2026)
16.1 (Apr 9, 2026)
License
ProprietaryCommercial (per-product licensing)
ProprietaryProprietary commercial license
Free tier
—
—
popularity
WhichDB Score
4.0
0.0
Rank
#421
#797
GitHub stars
–
–
Stack Overflow questions
–
–
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Small (≤ 100 GB)
Horizontal scaling
Native
None
Multi-region
None
None
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Strict
Architecture
Embedded, In memory, Client server, Distributed
Embedded, In memory, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
—
Serverless
—
—
Embedded
✓
✓
Edge
✓
✓
Clouds
–
–
capabilities
Transactions
✓
✓
Joins
✓
✓
Secondary indexes
✓
✓
Full-text search
—
—
Vector search
✓
—
Geospatial
✓
—
JSON
—
—
Change data capture
—
—
Triggers
—
—
Stored procedures
—
—
Materialized views
—
—
TTL / expiry
—
—
Pub/Sub
—
—
Columnar storage
✓
—
In-memory
✓
✓
Durable persistence
✓
✓
Compression
✓
—
Encryption at rest
✓
✓
Role-based access
✓
—
Time travel
—
—
Branching
—
—
Online schema changes
—
—
Streaming ingest
—
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
SQL (eXtremeSQL), Native C/C++ API
SQL, Core navigational API
Client languages
C, C++, Java, Python, C#
C, C++, Java, C#, Python
Best for
Embedded, Edge, Time-series, Tick data
Embedded, IoT, Edge
Add more to this comparisonNot sure either fits? Try smart match

eXtremeDB vs Raima Database Manager: FAQ

What is the difference between eXtremeDB and Raima Database Manager?

eXtremeDB: Embedded in-memory and hybrid database for devices, real-time systems and time-series analytics. Raima Database Manager: Small-footprint embedded database with SQL and network-model APIs for RTOS, edge and safety-certified devices. eXtremeDB is primarily a key-value database; Raima Database Manager is relational. eXtremeDB is built for larger datasets (≤ 10 TB) than Raima Database Manager (≤ 100 GB). Horizontal scaling is native in eXtremeDB and none in Raima Database Manager.

When should I choose eXtremeDB over Raima Database Manager?

Choose eXtremeDB for embedded databases in network equipment; avionics and defence systems; and industrial controllers and edge gateways. Choose Raima Database Manager for avionics and defence embedded systems; telecom network equipment; and industrial controllers and medical devices.

Is eXtremeDB or Raima Database Manager more popular?

eXtremeDB ranks #421 on the WhichDB Score (4.0/100) and Raima Database Manager ranks #797 (0.0/100). Popularity is not fit: check the requirements that matter for your project.

Are eXtremeDB and Raima Database Manager open source?

No. eXtremeDB is proprietary, closed-source software. License: Commercial (per-product licensing). No. Raima Database Manager is proprietary, closed-source software.