vs

Babelfish for PostgreSQL vs EDB Postgres Advanced Server

Babelfish for PostgreSQL: Lets PostgreSQL understand SQL Server's T-SQL and TDS protocol, so SQL Server apps can migrate. EDB Postgres Advanced Server: EnterpriseDB's PostgreSQL with deep Oracle compatibility: PL/SQL packages, DBMS_* and TDE.

key differences

  • Licensing: Babelfish for PostgreSQL is open source (permissive) (Apache License 2.0 and PostgreSQL License); EDB Postgres Advanced Server is proprietary (EDB commercial subscription).
  • EDB Postgres Advanced Server is built for larger datasets (≤ 1 PB) than Babelfish for PostgreSQL (≤ 10 TB).
  • Horizontal scaling is none in Babelfish for PostgreSQL and addon in EDB Postgres Advanced Server.
  • Only EDB Postgres Advanced Server has full-text search, vector search, geospatial, change data capture, materialized views.

choose babelfish-postgresql for

  • +Migrating SQL Server applications to PostgreSQL
  • +Reducing SQL Server licensing on AWS
  • +Gradual rewrite of T-SQL apps to native PostgreSQL

best at · OLTP

choose edb-postgres-advanced-server for

  • +Migrating Oracle applications to Postgres
  • +Regulated workloads needing TDE and auditing
  • +Enterprises wanting vendor-backed Postgres with 24x7 support
  • +Always-on clusters with EDB Postgres Distributed

best at · OLTP, Geo, Search

overview
Primary model
Relational
Relational
Also supports
–
Document, Spatial
Type
Extension
Database engine
Status
Active
Active
Developer
Amazon Web Services and Babelfish community
EnterpriseDB (EDB)
First release
2021
2005
Latest version
6.1.0 (Aug 26, 2026)
18.6 (Aug 13, 2026)
License
Open source (permissive)Apache License 2.0 and PostgreSQL License
ProprietaryEDB commercial subscription
Free tier
✓
—
popularity
WhichDB Score
4.6
12.9
Rank
#400
#260
GitHub stars
339
–
Stack Overflow questions
29
105
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Large (≤ 1 PB)
Horizontal scaling
None
Addon
Multi-region
Read replicas
Active active
ACID
Full
Full
Consistency
Strong
Strong, Eventual
Schema
Strict
Strict
Architecture
Single node, Primary replica, Client server
Single node, Primary replica, Multi primary, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
✓
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
AWS
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
T-SQL, SQL, PL/pgSQL
SQL, PL/pgSQL, SPL (Oracle-compatible PL/SQL)
Client languages
C#, .NET, Java, Python, JavaScript, ODBC
C, Java, Python, .NET, JavaScript, Go, PHP
Best for
OLTP
OLTP, Geo, Search

Babelfish for PostgreSQL vs EDB Postgres Advanced Server: FAQ

What is the difference between Babelfish for PostgreSQL and EDB Postgres Advanced Server?

Babelfish for PostgreSQL: Lets PostgreSQL understand SQL Server's T-SQL and TDS protocol, so SQL Server apps can migrate. EDB Postgres Advanced Server: EnterpriseDB's PostgreSQL with deep Oracle compatibility: PL/SQL packages, DBMS_* and TDE. Licensing: Babelfish for PostgreSQL is open source (permissive) (Apache License 2.0 and PostgreSQL License); EDB Postgres Advanced Server is proprietary (EDB commercial subscription). EDB Postgres Advanced Server is built for larger datasets (≤ 1 PB) than Babelfish for PostgreSQL (≤ 10 TB). Horizontal scaling is none in Babelfish for PostgreSQL and addon in EDB Postgres Advanced Server.

When should I choose Babelfish for PostgreSQL over EDB Postgres Advanced Server?

Choose Babelfish for PostgreSQL for migrating SQL Server applications to PostgreSQL, reducing SQL Server licensing on AWS and gradual rewrite of T-SQL apps to native PostgreSQL. Choose EDB Postgres Advanced Server for migrating Oracle applications to Postgres; regulated workloads needing TDE and auditing; and enterprises wanting vendor-backed Postgres with 24x7 support.

Is Babelfish for PostgreSQL or EDB Postgres Advanced Server more popular?

EDB Postgres Advanced Server ranks #260 on the WhichDB Score (12.9/100) and Babelfish for PostgreSQL ranks #400 (4.6/100). Popularity is not fit: check the requirements that matter for your project.

Are Babelfish for PostgreSQL and EDB Postgres Advanced Server open source?

Yes. Babelfish for PostgreSQL is open source. License: Apache License 2.0 and PostgreSQL License. No. EDB Postgres Advanced Server is proprietary, closed-source software. License: EDB commercial subscription.