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Oracle Real Application Clusters

Paid#22 of 25 in Distributed SQL Databases

Oracle Real Application Clusters: A Linux-focused Oracle Database option for clustered availability and horizontal scaling. Ranked #22 of 25 in Distributed SQL Databases by our editors (6.8/10); pricing: Paid; best for linux shared-database clustering.

6.8/10Editor score

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Oracle Real Application Clusters6.8 Visit Oracle

At a glance

Editor score
6.8 / 10
Pricing
Paid
Best for
Linux shared-database clustering
Free plan
No
Deployment model
Both
Facts checked
20 Sep 2026

Oracle Real Application Clusters screenshot

Where it wins
- Adds clustered nodes for horizontal database scaling
- Provides workload failover and connection load balancing
- Supports rolling updates and parallelized database operations
Where it doesn't
- Platform support is listed for Linux
- There is no free plan
- Licensing varies by database offering and deployment

Our verdict on Oracle Real Application Clusters

Oracle Real Application Clusters (RAC) is a clustered architecture option for Oracle Database workloads that need high availability, fault tolerance, and scale-out performance. Multiple database instances can access a shared database concurrently across clustered nodes. It is aimed at mission-critical enterprise applications, transactional workloads, analytical workloads, and other systems that require continuous operation. Deployment options span on-premises environments and Oracle Cloud Infrastructure, while the listed platform is Linux.

RAC’s strongest capability is its clustering model. Organizations can add database nodes for horizontal scaling, distribute connections through connection load balancing, and use automatic workload failover when a clustered node fails. Fast connection failover and hot cluster failover support continuity during node problems. RAC also supports rolling database and application schema updates, which can help teams maintain clustered environments while applying changes. Parallelized queries, inserts, updates, and deletes across servers add processing options for workloads that can benefit from distributed execution.

The published licensing structure is perpetual rather than SaaS-based. The Named User Plus perpetual license and Processor perpetual license each include Oracle Real Application Clusters as an option. Oracle also lists separate software update and support amounts, and licensing varies by database offering and deployment. RAC does not include a free plan and is an Oracle Database option rather than an independent database product. Choose it when Linux-based Oracle Database clustering, failover, shared access, and rolling operations are central requirements. Consider an alternative if you need broader platform coverage, an open-source product, or a free entry tier.

Your product? Our editors can test Oracle Real Application Clusters in depth and publish a review, labelled as paid · from $149/mo →

Oracle Real Application Clusters pricing

Plans PaidPaid No free plan — trial or paid only. Prices checked 20 Sep 2026.

See plans on oracle.com

All 2 Oracle Real Application Clusters plans and prices →

Oracle Real Application Clusters fact sheet

Free plan	No
Paid from	Not verified
Deployment model	Both
PostgreSQL compatibility	Not verified
MySQL compatibility	Not verified
Horizontal scaling	Yes
Multi-region deployment	Not verified
Geo-partitioning	Not verified
HTAP workloads	Not verified
Deployment	Cloud, Self-hosted
Platforms	Linux
Support	Docs
Built for	Enterprise (editorial estimate)
Pricing	Paid (source)
Website	oracle.com
Facts checked	20 Sep 2026

Alternatives to Oracle Real Application Clusters

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Featured on iTechGuides

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update