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Alibaba PolarDB vs TDSQL (Tencent)

Alibaba PolarDB: Alibaba Cloud's shared-storage relational service in MySQL-, PostgreSQL- and Oracle-compatible editions. TDSQL (Tencent): Tencent's financial-grade MySQL-compatible database family: distributed TDSQL and cloud-native TDSQL-C.

key differences

  • Horizontal scaling is addon in Alibaba PolarDB and native in TDSQL (Tencent).
  • Only Alibaba PolarDB has full-text search, vector search, geospatial, triggers, materialized views.

choose polardb for

  • +E-commerce and gaming backends on Alibaba Cloud
  • +Oracle migrations in Chinese enterprises
  • +Read-heavy apps needing fast replica scaling
  • +HTAP reporting with IMCI

best at · OLTP, HTAP, Real-time analytics

choose tencent-tdsql for

  • +Core banking and payment systems in China
  • +Scaling MySQL workloads on Tencent Cloud
  • +Gaming and social backends in the Tencent ecosystem
  • +Oracle and DB2 replacement in financial services

best at · OLTP, Ledger, HTAP

Alibaba PolarDBAlibaba Cloud's shared-storage relational service in MySQL-, PostgreSQL- and Oracle-compatible editions.
TDSQL (Tencent)Tencent's financial-grade MySQL-compatible database family: distributed TDSQL and cloud-native TDSQL-C.
overview
Primary model
Relational
Relational
Also supports
Document, Spatial, Columnar / OLAP, Vector
Document, Wide-Column
Type
Managed service
Managed service
Status
Active
Active
Developer
Alibaba Cloud
Tencent Cloud
First release
2017
2014
Latest version
–
–
License
ProprietaryProprietary (Alibaba Cloud service)
ProprietaryProprietary (Tencent Cloud service / private deployment)
Free tier
—
—
popularity
WhichDB Score
2.7
0.0
Rank
#461
#828
GitHub stars
–
–
Stack Overflow questions
61
–
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
Shared storage, Primary replica, Serverless
Distributed, Multi primary, Shared storage, Serverless
deployment
Self-hosted
—
✓
Vendor-managed cloud
✓
✓
Serverless
✓
✓
Embedded
—
—
Edge
—
—
Clouds
Alibaba Cloud
Tencent 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, PL/pgSQL, PL/SQL (Oracle-compatible edition)
SQL
Client languages
Java, Python, Go, PHP, JavaScript, C#
Java, Go, Python, PHP, C++, JavaScript
Best for
OLTP, HTAP, Real-time analytics, Geo
OLTP, Ledger, HTAP
Add more to this comparisonNot sure either fits? Try smart match

Alibaba PolarDB vs TDSQL (Tencent): FAQ

What is the difference between Alibaba PolarDB and TDSQL (Tencent)?

Alibaba PolarDB: Alibaba Cloud's shared-storage relational service in MySQL-, PostgreSQL- and Oracle-compatible editions. TDSQL (Tencent): Tencent's financial-grade MySQL-compatible database family: distributed TDSQL and cloud-native TDSQL-C. Horizontal scaling is addon in Alibaba PolarDB and native in TDSQL (Tencent). Only Alibaba PolarDB has full-text search, vector search, geospatial, triggers, materialized views.

When should I choose Alibaba PolarDB over TDSQL (Tencent)?

Choose Alibaba PolarDB for E-commerce and gaming backends on Alibaba Cloud; oracle migrations in Chinese enterprises; and read-heavy apps needing fast replica scaling. Choose TDSQL (Tencent) for core banking and payment systems in China; scaling MySQL workloads on Tencent Cloud; and gaming and social backends in the Tencent ecosystem.

Is Alibaba PolarDB or TDSQL (Tencent) more popular?

Alibaba PolarDB ranks #461 on the WhichDB Score (2.7/100) and TDSQL (Tencent) ranks #828 (0.0/100). Popularity is not fit: check the requirements that matter for your project.

Are Alibaba PolarDB and TDSQL (Tencent) open source?

No. Alibaba PolarDB is proprietary, closed-source software. No. TDSQL (Tencent) is proprietary, closed-source software.