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Dameng (DM) vs Huawei GaussDB

Dameng (DM): China's leading home-grown RDBMS; DM9 (2026) adds distributed, HTAP and AI features. Huawei GaussDB: Huawei's distributed enterprise RDBMS built on openGauss, aimed at replacing Oracle in Chinese finance.

key differences

  • Horizontal scaling is addon in Dameng (DM) and native in Huawei GaussDB.
  • Only Huawei GaussDB has vector search.

choose dameng for

  • +Replacing Oracle in government and state-owned enterprises
  • +Power-grid and energy management systems
  • +Financial back-office systems on domestic infrastructure

best at · OLTP, OLAP, HTAP

choose huawei-gaussdb for

  • +Core banking replacement of Oracle in China
  • +Government and telecom systems under domestic-technology mandates
  • +Large distributed OLTP on Huawei Cloud

best at · OLTP, HTAP, Vector search

Dameng (DM)China's leading home-grown RDBMS; DM9 (2026) adds distributed, HTAP and AI features.
Huawei GaussDBHuawei's distributed enterprise RDBMS built on openGauss, aimed at replacing Oracle in Chinese finance.
overview
Primary model
Relational
Relational
Also supports
Columnar / OLAP, Document
Vector
Type
Database engine
Database engine
Status
Active
Active
Developer
Wuhan Dameng Database Co., Ltd.
Huawei
First release
1988
2019
Latest version
DM9 (Apr 22, 2026)
–
License
ProprietaryProprietary commercial license
ProprietaryProprietary commercial license
Free tier
✓
—
popularity
WhichDB Score
6.7
6.8
Rank
#355
#351
GitHub stars
–
–
Stack Overflow questions
–
–
scale & guarantees
Comfortable data size
Large (≤ 1 PB)
Large (≤ 1 PB)
Horizontal scaling
Addon
Native
Multi-region
Read replicas
Read replicas
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Strict
Architecture
Client server, Primary replica, Shared storage, Distributed
Distributed, Primary replica, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
–
Huawei 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, DMSQL (PL/SQL-compatible)
SQL, PL/pgSQL-style procedural SQL
Client languages
Java, C, C#, Python, Go, PHP
Java, C, Python, Go
Best for
OLTP, OLAP, HTAP, Warehouse
OLTP, HTAP, Vector search
Add more to this comparisonNot sure either fits? Try smart match

Dameng (DM) vs Huawei GaussDB: FAQ

What is the difference between Dameng (DM) and Huawei GaussDB?

Dameng (DM): China's leading home-grown RDBMS; DM9 (2026) adds distributed, HTAP and AI features. Huawei GaussDB: Huawei's distributed enterprise RDBMS built on openGauss, aimed at replacing Oracle in Chinese finance. Horizontal scaling is addon in Dameng (DM) and native in Huawei GaussDB. Only Huawei GaussDB has vector search.

When should I choose Dameng (DM) over Huawei GaussDB?

Choose Dameng (DM) for replacing Oracle in government and state-owned enterprises; power-grid and energy management systems; and financial back-office systems on domestic infrastructure. Choose Huawei GaussDB for core banking replacement of Oracle in China; government and telecom systems under domestic-technology mandates; and large distributed OLTP on Huawei Cloud.

Is Dameng (DM) or Huawei GaussDB more popular?

Huawei GaussDB ranks #351 on the WhichDB Score (6.8/100) and Dameng (DM) ranks #355 (6.7/100). Popularity is not fit: check the requirements that matter for your project.

Are Dameng (DM) and Huawei GaussDB open source?

No. Dameng (DM) is proprietary, closed-source software. No. Huawei GaussDB is proprietary, closed-source software.