whichdb
vs

Oracle TimesTen vs Redis

Oracle TimesTen: Oracle's in-memory relational database: microsecond SQL, PL/SQL, and a cache tier for Oracle Database. Redis: The in-memory data structure server that became the default cache, now with search, JSON and vectors built in.

key differences

  • Oracle TimesTen is primarily a relational database; Redis is key-value.
  • Licensing: Oracle TimesTen is proprietary (Proprietary commercial license); Redis is open source (copyleft) (Tri-license: AGPLv3, RSALv2 or SSPLv1 (Redis 8+)).
  • Transactions: Oracle TimesTen offers full ACID; Redis offers limited.
  • Only Oracle TimesTen has joins, materialized views, compression.
  • Only Redis has full-text search, vector search, geospatial, json, ttl / expiry.
  • Oracle TimesTen can run embedded in your application process.

choose oracle-timesten for

  • +Telecom online charging and policy control
  • +Trading and market-data applications
  • +Real-time fraud and authorisation checks
  • +In-memory cache tier in front of Oracle Database

best at · OLTP, Cache, Real-time analytics

choose redis for

  • +Application and database query caching
  • +Session storage and user tokens
  • +Rate limiting and distributed locks
  • +Leaderboards and counters

best at · Cache, Sessions, Queue

Oracle TimesTenOracle's in-memory relational database: microsecond SQL, PL/SQL, and a cache tier for Oracle Database.
RedisThe in-memory data structure server that became the default cache, now with search, JSON and vectors built in.
overview
Primary model
Relational
Key-Value
Also supports
–
Document, Vector, Time-Series, Search Engine
Type
Database engine
Database engine
Status
Active
Active
Developer
Oracle Corporation
Redis Ltd.
First release
1998
2009
Latest version
26.1.1 (Apr 2026)
8.10.3 (Oct 26, 2026)
License
ProprietaryProprietary commercial license
Open source (copyleft)Tri-license: AGPLv3, RSALv2 or SSPLv1 (Redis 8+)
Free tier
—
✓
popularity
WhichDB Score
9.5
84.3
Rank
#310
#2
GitHub stars
–
77.1K
Stack Overflow questions
76
25.4K
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Medium (≤ 10 TB)
Horizontal scaling
Native
Native
Multi-region
Read replicas
Active active
ACID
Full
Limited
Consistency
Strong
Eventual
Schema
Strict
Schemaless
Architecture
In memory, Distributed, Primary replica, Embedded
In memory, Single node, Primary replica, Distributed, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
✓
—
Edge
—
—
Clouds
–
AWS, Google Cloud, Azure, DigitalOcean, Heroku, Render
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/SQL
Redis commands (RESP), Lua, Redis Query Engine (FT.*)
Client languages
C, C++, Java, Python, JavaScript
Python, Java, JavaScript, Go, C#, Rust, Ruby, PHP
Best for
OLTP, Cache, Real-time analytics, Tick data
Cache, Sessions, Queue, Pub/Sub
Add more to this comparisonNot sure either fits? Try smart match

Oracle TimesTen vs Redis: FAQ

What is the difference between Oracle TimesTen and Redis?

Oracle TimesTen: Oracle's in-memory relational database: microsecond SQL, PL/SQL, and a cache tier for Oracle Database. Redis: The in-memory data structure server that became the default cache, now with search, JSON and vectors built in. Oracle TimesTen is primarily a relational database; Redis is key-value. Licensing: Oracle TimesTen is proprietary (Proprietary commercial license); Redis is open source (copyleft) (Tri-license: AGPLv3, RSALv2 or SSPLv1 (Redis 8+)). Transactions: Oracle TimesTen offers full ACID; Redis offers limited.

When should I choose Oracle TimesTen over Redis?

Choose Oracle TimesTen for telecom online charging and policy control; trading and market-data applications; and real-time fraud and authorisation checks. Choose Redis for application and database query caching; session storage and user tokens; and rate limiting and distributed locks.

Is Oracle TimesTen or Redis more popular?

Redis ranks #2 on the WhichDB Score (84.3/100) and Oracle TimesTen ranks #310 (9.5/100). Popularity is not fit: check the requirements that matter for your project.

Are Oracle TimesTen and Redis open source?

No. Oracle TimesTen is proprietary, closed-source software. Yes. Redis is open source. License: Tri-license: AGPLv3, RSALv2 or SSPLv1 (Redis 8+).