whichdb
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Dolt vs Xata

Dolt: MySQL-compatible SQL database you can branch, diff, merge and clone like a Git repository. Xata: Open-source Postgres platform with storage-level copy-on-write branching, scale-to-zero and anonymized clones.

key differences

  • Xata is built for larger datasets (≤ 10 TB) than Dolt (≤ 100 GB).
  • Only Dolt has compression, time travel.
  • Only Xata has full-text search, vector search, materialized views, pub/sub, encryption at rest.
  • Xata has a serverless option; Dolt does not.

choose dolt for

  • +Versioned reference and configuration data
  • +ML training data with reproducible snapshots
  • +Collaborative datasets with review workflows
  • +Testing schema/data migrations on branches

best at · OLTP, Metadata, Coordination

choose xata for

  • +Branch-per-pull-request preview databases with production-like data
  • +Safe environments for AI coding agents
  • +Testing migrations against anonymized production clones
  • +Postgres in your own cloud account with branching

best at · OLTP, Vector search, Content

DoltMySQL-compatible SQL database you can branch, diff, merge and clone like a Git repository.
XataOpen-source Postgres platform with storage-level copy-on-write branching, scale-to-zero and anonymized clones.
overview
Primary model
Relational
Relational
Also supports
Document
Document, Vector
Type
Database engine
Managed service
Status
Active
Active
Developer
DoltHub
Xata
First release
2019
2022
Latest version
2.6.1 (Oct 26, 2026)
–
License
Open source (permissive)Apache License 2.0
Open source (permissive)Apache License 2.0 (open-source platform)
Free tier
✓
—
popularity
WhichDB Score
18.2
7.4
Rank
#181
#345
GitHub stars
24.7K
1.1K
Stack Overflow questions
3
4
scale & guarantees
Comfortable data size
Small (≤ 100 GB)
Medium (≤ 10 TB)
Horizontal scaling
None
None
Multi-region
Read replicas
None
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Strict
Architecture
Single node, Primary replica, Client server, Embedded
Primary replica, Serverless
deployment
Self-hosted
✓
✓
Vendor-managed cloud
✓
✓
Serverless
—
✓
Embedded
—
—
Edge
—
—
Clouds
AWS, Google Cloud
AWS, Google Cloud, Azure, Hetzner
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, PL/pgSQL
Client languages
Go, Python, Java, JavaScript, C#, Ruby, PHP
JavaScript, Python, Go, Java, Ruby, Rust
Best for
OLTP, Metadata, Coordination, Feature store
OLTP, Vector search, Content
Add more to this comparisonNot sure either fits? Try smart match

Dolt vs Xata: FAQ

What is the difference between Dolt and Xata?

Dolt: MySQL-compatible SQL database you can branch, diff, merge and clone like a Git repository. Xata: Open-source Postgres platform with storage-level copy-on-write branching, scale-to-zero and anonymized clones. Xata is built for larger datasets (≤ 10 TB) than Dolt (≤ 100 GB). Only Dolt has compression, time travel. Only Xata has full-text search, vector search, materialized views, pub/sub, encryption at rest.

When should I choose Dolt over Xata?

Choose Dolt for versioned reference and configuration data; ML training data with reproducible snapshots; and collaborative datasets with review workflows. Choose Xata for branch-per-pull-request preview databases with production-like data, safe environments for AI coding agents and testing migrations against anonymized production clones.

Is Dolt or Xata more popular?

Dolt ranks #181 on the WhichDB Score (18.2/100) and Xata ranks #345 (7.4/100). Popularity is not fit: check the requirements that matter for your project.

Are Dolt and Xata open source?

Yes. Dolt is open source. License: Apache License 2.0. Yes. Xata is open source. License: Apache License 2.0 (open-source platform).