whichdb
vs

NuoDB vs TiDB

NuoDB: Elastic distributed SQL with in-memory transaction engines and separate storage managers, owned by Dassault. TiDB: MySQL-compatible distributed SQL with a row store for OLTP and a columnar replica for real-time analytics.

key differences

  • Licensing: NuoDB is proprietary (Proprietary (commercial)); TiDB is open source (permissive) (Apache License 2.0).
  • TiDB is built for larger datasets (Multi-PB) than NuoDB (≤ 10 TB).
  • Only NuoDB has triggers, stored procedures, in-memory.
  • Only TiDB has vector search, json, change data capture, ttl / expiry, columnar storage.
  • TiDB has a serverless option; NuoDB does not.

choose nuodb for

  • +Existing NuoDB deployments in financial services and ISVs
  • +Backends for Dassault 3DEXPERIENCE-based solutions
  • +Elastic OLTP needing continuous availability

best at · OLTP

choose tidb for

  • +Replacing hand-sharded MySQL
  • +HTAP dashboards on live transactional data
  • +SaaS platforms with very large tenant counts
  • +Payment and order systems at internet scale

best at · OLTP, HTAP, Real-time analytics

NuoDBElastic distributed SQL with in-memory transaction engines and separate storage managers, owned by Dassault.
TiDBMySQL-compatible distributed SQL with a row store for OLTP and a columnar replica for real-time analytics.
overview
Primary model
Relational
Relational
Also supports
–
Document, Columnar / OLAP, Vector
Type
Database engine
Database engine
Status
Active
Active
Developer
Dassault Systèmes
PingCAP
First release
2013
2017
Latest version
8.0.1 (Aug 12, 2026)
8.5.8 (Aug 27, 2026)
License
ProprietaryProprietary (commercial)
Open source (permissive)Apache License 2.0
Free tier
—
✓
popularity
WhichDB Score
12.3
35.9
Rank
#271
#56
GitHub stars
–
40.7K
Stack Overflow questions
42
102
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Massive (Multi-PB)
Horizontal scaling
Native
Native
Multi-region
Active active
Read replicas
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Strict
Architecture
Distributed, In memory, Client server
Distributed, Client server, Serverless
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
✓
Embedded
—
—
Edge
—
—
Clouds
AWS, Google Cloud, Azure
AWS, Google Cloud, Azure, Alibaba Cloud
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
SQL
Client languages
Java, C++, C#, Python, JavaScript, Go
Java, Go, Python, JavaScript, C#, Ruby, PHP, Rust
Best for
OLTP
OLTP, HTAP, Real-time analytics, Vector search
Add more to this comparisonNot sure either fits? Try smart match

NuoDB vs TiDB: FAQ

What is the difference between NuoDB and TiDB?

NuoDB: Elastic distributed SQL with in-memory transaction engines and separate storage managers, owned by Dassault. TiDB: MySQL-compatible distributed SQL with a row store for OLTP and a columnar replica for real-time analytics. Licensing: NuoDB is proprietary (Proprietary (commercial)); TiDB is open source (permissive) (Apache License 2.0). TiDB is built for larger datasets (Multi-PB) than NuoDB (≤ 10 TB). Only NuoDB has triggers, stored procedures, in-memory.

When should I choose NuoDB over TiDB?

Choose NuoDB for existing NuoDB deployments in financial services and ISVs; backends for Dassault 3DEXPERIENCE-based solutions; and elastic OLTP needing continuous availability. Choose TiDB for replacing hand-sharded MySQL, HTAP dashboards on live transactional data and SaaS platforms with very large tenant counts.

Is NuoDB or TiDB more popular?

TiDB ranks #56 on the WhichDB Score (35.9/100) and NuoDB ranks #271 (12.3/100). Popularity is not fit: check the requirements that matter for your project.

Are NuoDB and TiDB open source?

No. NuoDB is proprietary, closed-source software. Yes. TiDB is open source. License: Apache License 2.0.