whichdb
vs

Dameng (DM) vs Oracle Database

Dameng (DM): China's leading home-grown RDBMS; DM9 (2026) adds distributed, HTAP and AI features. Oracle Database: The enterprise heavyweight: RAC, Data Guard and a converged engine for SQL, JSON, graph and vectors.

key differences

  • Only Oracle Database has vector search, geospatial, change data capture, pub/sub, in-memory.

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 oracle-database for

  • +Core banking and payment systems
  • +Packaged ERP back ends (Oracle E-Business Suite, JD Edwards, PeopleSoft)
  • +Telecom billing and subscriber management
  • +Mixed OLTP plus in-database analytics and vector search

best at · OLTP, HTAP, Warehouse

Dameng (DM)China's leading home-grown RDBMS; DM9 (2026) adds distributed, HTAP and AI features.
Oracle DatabaseThe enterprise heavyweight: RAC, Data Guard and a converged engine for SQL, JSON, graph and vectors.
overview
Primary model
Relational
Relational
Also supports
Columnar / OLAP, Document
Document, Graph, Vector, Spatial, XML
Type
Database engine
Database engine
Status
Active
Active
Developer
Wuhan Dameng Database Co., Ltd.
Oracle Corporation
First release
1988
1979
Latest version
DM9 (Apr 22, 2026)
23.26.4 (26ai RU) (Oct 2026)
License
ProprietaryProprietary commercial license
ProprietaryOracle commercial license
Free tier
✓
✓
popularity
WhichDB Score
6.7
56.9
Rank
#355
#17
GitHub stars
–
–
Stack Overflow questions
–
152.3K
scale & guarantees
Comfortable data size
Large (≤ 1 PB)
Large (≤ 1 PB)
Horizontal scaling
Addon
Addon
Multi-region
Read replicas
Active active
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Strict
Architecture
Client server, Primary replica, Shared storage, Distributed
Client server, Primary replica, Shared storage, Distributed
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
–
Oracle Cloud, AWS, Azure, Google 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/SQL, SQL/PGQ
Client languages
Java, C, C#, Python, Go, PHP
Java, Python, JavaScript, C#, Go, C, C++, PHP
Best for
OLTP, OLAP, HTAP, Warehouse
OLTP, HTAP, Warehouse, Vector search
Add more to this comparisonNot sure either fits? Try smart match

Dameng (DM) vs Oracle Database: FAQ

What is the difference between Dameng (DM) and Oracle Database?

Dameng (DM): China's leading home-grown RDBMS; DM9 (2026) adds distributed, HTAP and AI features. Oracle Database: The enterprise heavyweight: RAC, Data Guard and a converged engine for SQL, JSON, graph and vectors. Only Oracle Database has vector search, geospatial, change data capture, pub/sub, in-memory.

When should I choose Dameng (DM) over Oracle Database?

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 Oracle Database for core banking and payment systems; packaged ERP back ends (Oracle E-Business Suite, JD Edwards, PeopleSoft); and telecom billing and subscriber management.

Is Dameng (DM) or Oracle Database more popular?

Oracle Database ranks #17 on the WhichDB Score (56.9/100) and Dameng (DM) ranks #355 (6.7/100). Popularity is not fit: check the requirements that matter for your project.

Are Dameng (DM) and Oracle Database open source?

No. Dameng (DM) is proprietary, closed-source software. No. Oracle Database is proprietary, closed-source software. License: Oracle commercial license.