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Oracle Autonomous Database vs Oracle Exadata

Oracle Autonomous Database: Self-driving Oracle Database on Exadata: auto-patching, auto-scaling, and Select AI, on OCI and other clouds. Oracle Exadata: Oracle's engineered system for Oracle Database, with smart storage offload for OLTP and analytics.

key differences

  • Oracle Exadata is built for larger datasets (Multi-PB) than Oracle Autonomous Database (≤ 1 PB).
  • Horizontal scaling is native in Oracle Autonomous Database and addon in Oracle Exadata.
  • Only Oracle Exadata has change data capture.
  • Oracle Autonomous Database has a serverless option; Oracle Exadata does not.

choose oracle-autonomous-database for

  • +Moving existing Oracle applications to a managed cloud service
  • +Departmental data warehouses and lakehouses with Iceberg
  • +Natural-language querying and RAG over enterprise data
  • +APEX low-code applications

best at · OLTP, Warehouse, Lakehouse

choose oracle-exadata for

  • +Consolidating many Oracle databases
  • +Mission-critical OLTP plus reporting
  • +Large Oracle data warehouses
  • +Oracle workloads moving to OCI or multicloud

best at · Warehouse, OLTP, HTAP

Oracle Autonomous DatabaseSelf-driving Oracle Database on Exadata: auto-patching, auto-scaling, and Select AI, on OCI and other clouds.
Oracle ExadataOracle's engineered system for Oracle Database, with smart storage offload for OLTP and analytics.
overview
Primary model
Relational
Relational
Also supports
Document, Graph, Vector, Spatial, Columnar / OLAP
Columnar / OLAP, Document, Vector, Spatial, Graph
Type
Managed service
Database engine
Status
Active
Active
Developer
Oracle Corporation
Oracle
First release
2018
2008
Latest version
26ai (Oct 14, 2025)
X11M (Jan 7, 2025)
License
ProprietaryProprietary commercial license
ProprietaryProprietary
Free tier
✓
—
popularity
WhichDB Score
0.0
15.0
Rank
#788
#224
GitHub stars
–
–
Stack Overflow questions
–
64
scale & guarantees
Comfortable data size
Large (≤ 1 PB)
Massive (Multi-PB)
Horizontal scaling
Native
Addon
Multi-region
Read replicas
Read replicas
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Strict
Architecture
Serverless, Shared storage, Primary replica
Shared storage, Distributed, Client server
deployment
Self-hosted
—
✓
Vendor-managed cloud
✓
✓
Serverless
✓
—
Embedded
—
—
Edge
—
—
Clouds
Oracle Cloud, Azure, AWS, Google Cloud
Oracle Cloud, 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
SQL, PL/SQL, SQL/PGQ, Select AI (natural language)
SQL, PL/SQL
Client languages
Java, Python, JavaScript, C#, Go, C, PHP
Java, Python, C, .NET, JavaScript, Go
Best for
OLTP, Warehouse, Lakehouse, HTAP
Warehouse, OLTP, HTAP, OLAP
Add more to this comparisonNot sure either fits? Try smart match

Oracle Autonomous Database vs Oracle Exadata: FAQ

What is the difference between Oracle Autonomous Database and Oracle Exadata?

Oracle Autonomous Database: Self-driving Oracle Database on Exadata: auto-patching, auto-scaling, and Select AI, on OCI and other clouds. Oracle Exadata: Oracle's engineered system for Oracle Database, with smart storage offload for OLTP and analytics. Oracle Exadata is built for larger datasets (Multi-PB) than Oracle Autonomous Database (≤ 1 PB). Horizontal scaling is native in Oracle Autonomous Database and addon in Oracle Exadata. Only Oracle Exadata has change data capture.

When should I choose Oracle Autonomous Database over Oracle Exadata?

Choose Oracle Autonomous Database for moving existing Oracle applications to a managed cloud service; departmental data warehouses and lakehouses with Iceberg; and natural-language querying and RAG over enterprise data. Choose Oracle Exadata for consolidating many Oracle databases, mission-critical OLTP plus reporting and large Oracle data warehouses.

Is Oracle Autonomous Database or Oracle Exadata more popular?

Oracle Exadata ranks #224 on the WhichDB Score (15.0/100) and Oracle Autonomous Database ranks #788 (0.0/100). Popularity is not fit: check the requirements that matter for your project.

Are Oracle Autonomous Database and Oracle Exadata open source?

No. Oracle Autonomous Database is proprietary, closed-source software. No. Oracle Exadata is proprietary, closed-source software.