whichdb
vs

PostgreSQL vs Transbase

PostgreSQL: The extensible, standards-first open-source relational database. Transbase: Compact German SQL RDBMS from Transaction Software, with a Z-curve multidimensional index (Hypercube).

key differences

  • Licensing: PostgreSQL is open source (permissive) (PostgreSQL License); Transbase is proprietary (Commercial subscription).
  • Horizontal scaling is addon in PostgreSQL and none in Transbase.
  • Only PostgreSQL has vector search, geospatial, json, change data capture, triggers.
  • Only Transbase has encryption at rest.
  • Transbase can run embedded in your application process.

choose postgresql for

  • +General-purpose application backend
  • +SaaS multi-tenant data
  • +Geospatial applications with PostGIS
  • +Semantic search alongside relational data with pgvector

best at · OLTP, Geo, Search

choose transbase for

  • +Embedded SQL in industrial and automotive software
  • +Space-time range queries over IoT or sensor data
  • +Read-only databases distributed on media (Transbase CD)

best at · OLTP, Embedded, IoT

PostgreSQLThe extensible, standards-first open-source relational database.
TransbaseCompact German SQL RDBMS from Transaction Software, with a Z-curve multidimensional index (Hypercube).
overview
Primary model
Relational
Relational
Also supports
Document, Spatial
Ledger
Type
Database engine
Database engine
Status
Active
Active
Developer
PostgreSQL Global Development Group
Transaction Software GmbH
First release
1996
1987
Latest version
18.6 (Aug 13, 2026)
8.4 (Feb 2, 2023)
License
Open source (permissive)PostgreSQL License
ProprietaryCommercial subscription
Free tier
✓
—
popularity
WhichDB Score
93.2
2.5
Rank
#1
#476
GitHub stars
22.6K
–
Stack Overflow questions
178.8K
–
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Medium (≤ 10 TB)
Horizontal scaling
Addon
None
Multi-region
Read replicas
Read replicas
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Strict
Architecture
Single node, Primary replica, Client server
Client server, Embedded, Primary replica
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
—
✓
Edge
—
✓
Clouds
AWS, Google Cloud, Azure, Oracle Cloud, IBM Cloud, Alibaba Cloud
AWS
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, PL/pgSQL
SQL, SQL/PSM
Client languages
C, Java, Python, JavaScript, Go, Rust, C#, Ruby
C, C++, Java, C#, PHP, Swift, JavaScript
Best for
OLTP, Geo, Search, Content
OLTP, Embedded, IoT, Edge
Add more to this comparisonNot sure either fits? Try smart match

PostgreSQL vs Transbase: FAQ

What is the difference between PostgreSQL and Transbase?

PostgreSQL: The extensible, standards-first open-source relational database. Transbase: Compact German SQL RDBMS from Transaction Software, with a Z-curve multidimensional index (Hypercube). Licensing: PostgreSQL is open source (permissive) (PostgreSQL License); Transbase is proprietary (Commercial subscription). Horizontal scaling is addon in PostgreSQL and none in Transbase. Only PostgreSQL has vector search, geospatial, json, change data capture, triggers.

When should I choose PostgreSQL over Transbase?

Choose PostgreSQL for general-purpose application backend, SaaS multi-tenant data and geospatial applications with PostGIS. Choose Transbase for embedded SQL in industrial and automotive software; space-time range queries over IoT or sensor data; and read-only databases distributed on media (Transbase CD).

Is PostgreSQL or Transbase more popular?

PostgreSQL ranks #1 on the WhichDB Score (93.2/100) and Transbase ranks #476 (2.5/100). Popularity is not fit: check the requirements that matter for your project.

Are PostgreSQL and Transbase open source?

Yes. PostgreSQL is open source. License: PostgreSQL License. No. Transbase is proprietary, closed-source software. License: Commercial subscription.